Top iPhone App Development Companies in the United States

Website Development for Construction Rental Company

The communication was pretty straightforward. The manager, Gaurav, was within reach, so I could have discussions easily. Implementation-wise too, they had given me a time estimate in the beginning and the final product also finished around the same time.

Web App Development for Web Hosting Portal

We used to communicate on “call.” In case of an emergency, the immediate feedback was shared via calling (video/google meet call). The important information corresponding to the project was shared through e-mails. Overall, their quick response to my queries led to the trouble-free and smooth working of the project.

App & Web Portal Development for Industrial Manufacturer

They're excellent at project management. They follow an agile practice but at the same time, they keep things straight with proper documentation. They're friendly, they're fast and they're reliable.

Intimacy App Development for Women's Wellness Company

The App Store and Google Play accepted it! And we launched without any problem. I was really pleased with how quickly the company made the APP and how easy they made it. I was in constant contact with the engineer, so we were able to solve any issues that came up easily. Working with them was amazing.

Accounting System Consulting for Financial Services Company

Their project management was flawless. Every milestone was delivered on time, and they were proactive in addressing our questions and adapting to our needs. The team’s ability to keep everything organized and aligned with our goals was remarkable.

Mobile App Dev, UX/UI Design & Gen AI for Computer Vision Co

The platform’s early adoption, reliable performance, and positive user feedback position us for continued growth, and we attribute this success to their expertise and dedication. This is a sample of the measurable impact, and we’re excited to see the platform evolve further! These outcomes reflect AppMakers LA’s ability to deliver a high-performing, user-centric, and technically robust computer vision marketplace. Their execution across wireframing, app development, and generative AI integration was impeccable, delivering all milestones on time, within budget, and with exceptional quality.

Market Research for Healthcare Company

AppMakers has exceeded expectations. We're very happy with their work and will continue to work with them in the future. Their project management was exceptional. They maintained clear and consistent communication throughout the process, delivered every milestone on time, and adapted to our feedback seamlessly. Their ability to organize and present complex technical details in an easy-to-understand manner made all the difference.

Android App Dev for Human Services Platform

David is so personable and open, which is very critical to our project because it’s addressing a social problem and we need creativity. He is a breath of fresh air and can break things down and create a tangible solution in the app. Secondly, I’ve been impressed with their design process. They take a lot of time to look at different options.

Mobile App UI/UX Design & Dev for AI Storage Startup

Designli’s project management is great. We always have weekly meetings, and we have to reschedule them from time to time, but this isn’t a problem because they’re truly attentive. They always ask many questions and seek more details to fully understand what I need. This helps them execute tasks properly—their developers even join many of our meetings.

Mobile App Design & Development for Software Company

Designli delivers work on time and on budget. Designli communicates perfectly and is always on time for meetings. Project management is top-notch and exactly what I was looking for. We operate through Gmail as an email system, collaborate via Basecamp, and our website operates in Squarespace.

Web & Mobile App Dev for Wellness & Fitness Company

Designli's project management is exceptional. They monitor and track progress to ensure that deliverables are presented as promised. Our questions and communications are always handled promptly.

UI/UX Design for Automotive Company

Project management was exceptional, collaborative and met all deadlines.

Mobile App Design & Dev for Photo Organization Platform

They’ve performed very well in terms of project management. The team is very good at following up and being thorough when answering my questions, and they reply to them within the same day.

Mobile App Development for Videography Company

Any time there’s an issue or they deliver something that wasn’t what I envisioned, they’ve been very receptive to hearing my feedback and fixing the problem. At this point, they’ve finished the alpha version of the app, and I’m getting feedback on it from colleagues in the industry. Each of the members of their team has been very receptive to my ideas and understanding of my goals.

Web Dev for Modeling and Acting Talent Staffing Website

I’ve often revamped ideas and changed the scope throughout the project, which would frustrate most people. However, I appreciate that TekRevol has remained receptive to my requests; they’re happy to take on any challenge. I’ve probably spent more man hours with them than they’ve charged.

Full Development for Game Review Site & Mobile App

TekRevol is reactive to issues we experience or changes that I want to make. They do everything they can to make our collaboration work. I trust them and give them a lot of artistic freedom, and they always keep me updated. We communicate frequently.

Mobile App Prototype for Safety App Startup

The collaboration has been great because they’re open and receptive to my input. ChopDawg stays focused but can also change gears to keep up with my ideas. They’re receptive to my inputs on the direction for the prototype.

Mobile App Prototype Dev for Pizzeria Consulting Platform

The team is responsive and makes changes until we are happy. Consequently, they provide great value and deliver exactly what we want.

Web App Dev for Hospitality Startup

They’ve been very collaborative in presenting different color options, fonts, and layouts based on our questions. They’re also very open to feedback. It’s been really helpful to have their feedback and guidance.

Automation SaaS Product Dev for Logistics SaaS Provider

The Vention team consistently went above and beyond the call of duty to deliver on time or even ahead of time. Just this week, we mentioned a nice-to-have tool that would make our customer's lives better. One of our engineers produced the tool and deployed it to production in a single day. They are absolute rockstars.

Mobile App Dev for Nursing Corporation

Moreover, I can't say better things about Valery — he has saved our lives. I've never worked with a service provider who cares more than him. He's very invested, listens well, and goes above and beyond his scope of duty. He works as if he were a part of our team, so we feel very looked out for, which has been essential for our app's success.

DevOps Staff Augmentation for E-Learning Platform

Their team is easy to work with, and they all continue to work hard. Leaders on the team manage their teams well, and have worked directly with internal developers and stakeholders when required.

Auxiliary App Dev for Entertainment Startup

iTechArt seems to have access to a big group of talented and hardworking developers. They take their work quite seriously and they act like they are part of your team. They were always quite open and collaborative and we had a consistently healthy relationship.

Shopify Maintenance for Pasta Product Retailer

The developer worked well within the timeframes of each request, and kept us appraised of progress against each task. Flexible - when we needed less resource they accommodated this and moved us to a part-time contract. No - the developers were great, delivered high-quality output, and were a pleasure to work with.

iOS & Android Dev for Digital Marketing Agency

It's perfect. They are friendly and easy to work with; they hear us and work very quickly. KITRUM has done a great deal for us. They completed everything quickly, worked hard, and improved the product without increasing the cost.

Product Development for Document Automation Company

KitRUM has been a vital part of our team and in helping us deliver our product. They’ve been extremely great to work with, and we’ll be partners for the foreseeable future. Their team has improved their processes throughout the engagement.

Mobile App Design for Medical Hardware & Software Company

Lickability always delivered on time and responded well to our needs — they were a fantastic partner in that regard. Their project management was on point, and they had great minutes for meetings. They were also great at follow-ups. Whenever we had to deliver a document for them to proceed with a feature, they were very hands-on with reminders. Similarly, if Lickability had to deliver something to us, they ensured to communicate the expectations and delivered on time.

Development Optimization & Validation for Startup Company

Some of the projects Lickability worked on were less scoped because they were more experimental. We didn't know how long the project would take, but we allocated a budget. All the projects Lickability worked on met our timelines and budget estimates.

AR/VR Development for Photo Services Company

Brian was approachable on a daily basis in the days he's been assigned to work for us. The work was delivered on time, with a clean and simple implementation whenever possible. PRs contained a detailed review, testing instructions, and sometimes a video demonstrating the feature. The work was delivered on time.

Mobile App Development for Self-Care iOS App

Lickability was great at being organized and meeting deadlines. Their style of communication is awesome; there was never a time I had to follow up with the team. They created a dedicated Slack channel for us so we could talk to each other daily and check in on what was going on — it was nice to have that space to stay updated. Lickability was great at being organized and meeting deadlines.

iOS App Translation for Digital Disposable Camera App

They were great at communication and meeting deadlines. They finished ahead of time and we had a shared channel that was easy to ask questions in. We did one initial video call and moved to a continuous chat every 1–2 days.

App Development for Price Comparison Company

They were very flexible and accommodating to our sometimes rather unusual needs and circumstances. Unlike many other vendors I have experience with, they are very trusting and prepared to take risks for the sake of building a solid business relationship. They have very high competence standards while being friendly and familiar at the same time.

Dev Team Augmentation for Customer Service Platform

The first is how do the developers work with our team. We want them to be as much a part of our team as our in-house people. They’re friendly and personable and good to work with. We don’t have to micromanage them either, because they don’t disappear on us. They’re very responsive, self-starting, and engaged.

Android & iOS App Dev & Design for Financial Services Co

Bolder Apps’ project management was professional. We communicated via in-person meetings, virtual meetings, emails, and messaging apps. Moreover, their team was incredibly transparent. They didn’t talk over our heads with technical jargon, met every deadline, and cared about our business metrics, not just checking boxes on a feature list.

Mobile, Web & Custom Software Development & QA for IT Co

The project has delivered several measurable outcomes that demonstrate clear progress and success. Following the launch and subsequent improvements implemented by Bolder Apps, we've seen faster development cycles, improved platform stability, and a significant reduction in technical issues reported by users. The platform is able to support a growing user base without performance concerns, which is one of our key objectives. From an operational perspective, the streamlined workflows and improved system reliability have reduced the amount of time our team spends addressing technical problems and allowed us to focus more on product growth and customer engagement. We also benefit from faster feature releases, improved user experience, and increased confidence in the platform's scalability. Overall, Bolder Apps has helped us build a solid technical foundation that positions the product for long-term growth and future expansion. After working with Bolder Apps, we've seen several measurable improvements across the platform. The number of user-reported technical issues has decreased by approximately 40%, while application performance and stability have improved significantly. Feature release cycles have been shortened from roughly 4–6 weeks to 2–3 weeks, allowing us to respond to customer feedback much faster. As the platform has matured, we've experienced user growth of more than 50% year over year without requiring major infrastructure changes. System uptime has consistently remained above 99.9%, and support requests related to bugs and platform performance have declined by approximately 30%. These improvements not only enhance the user experience but also allow our team to spend more time on growth initiatives rather than troubleshooting technical problems. The most impactful improvements have been the enhancements to platform performance, user experience, and overall reliability. Bolder Apps has streamlined several key user workflows, reducing friction and making the platform more intuitive to navigate. As a result, users are able to complete core tasks more efficiently, which contributes to increased engagement and positive feedback. On the operational side, the improvements to system stability, backend architecture, and administrative tools have had a significant impact. Our team spends considerably less time addressing technical issues and manual processes, allowing us to focus more on product development and customer support. The implementation of scalable infrastructure and well-structured code also makes it easier to introduce new features and updates without disrupting existing functionality. Additionally, the improved performance and faster load times help create a more professional user experience, which increases user confidence in the platform and supports our growth objectives. These enhancements deliver value both for our customers and for our internal operations. We communicate via virtual meetings, emails, and messaging apps. They're a very reliable and professional team. There's nothing they need to improve.

Custom Software Dev for Agricultural Nutrition Lab

The quality of work, the promptness with communication and the ability to come up with innovative solutions has been amazing with this team. We could have done a deeper dive on discovery, but having started in January of 2020, the closing of companies made this difficult.

Cloud-based Agile Web App for Feed Analysis Company

Their ability to come up with unique solutions for the niche industry that we serve stands out. They’re not the cheapest option, but we knew that going into the project. It’s been a challenging year from a COVID-19 perspective.

Web Dev For Animal Hospital

Orases exceeds our expectations and are very innovative. It’s impressive how well they got to know our business. I’m sure we’re one of many clients, but I felt like we were the only project they were working on because they were so responsive and immersed in delivering this incredible project.

Web Strategy for Sport Equipment Company

I’m extremely impressed with Nick and the culture of the firm. They’re very focused on having a great culture. They have an innovative office space layout. The way Nick engages his employees is great.

Mobile App Dev for Honeycomb Dunnage Materials Manufacturer

Bluelight's project management is very professional. They are quick to respond regularly to questions or concerns. If there's a delay, they communicate it upfront and are forthright in their communication. We communicate via in-person meetings, virtual meetings, and email or messaging apps.

Data Validation Tool Design & Dev for E-Commerce Company

Calibrate had timely and proactive communication with the customer and us, which promoted effective management of the project timeline and pushed key deliverables forward. I'm impressed with their ability to collaborate seamlessly with our team and align with our company's goals as well as our customer's.

Landing Page Development & Design for Golf Products Company

We were impressed with Calibrate Software's flexibility and openness to collaborate with us. Their team was very attentive to what we were trying to achieve, and they used their creativity to help meet our goals. I loved their collaborative spirit and energy. They were very positive throughout the whole experience. Nothing was a no; it was always a conversation.

Web & Web App Dev & UX/UI Design for Healthcare Software Co

What stood out most was their speed, attention to detail, and collaborative approach. They combined technical expertise with a genuine desire to ensure the product's success. From the very beginning, this team demonstrated a rare balance of professionalism, expertise, and genuine human connection. They brought not only technical excellence across UI/UX design, development, and project management, but also a level of instinct, humor, and compassion that made the entire process enjoyable and deeply collaborative.

Mobile App Development for Food Waste Software Company

We were able to hit our internal timeline targets with the help of the thoughtbot team, which were imperative in order to deliver the product to our customers on time. The thoughtbot team was exceptional in their ability to deliver on time and communicate with us during the process. We had biweekly retros to improve our working relationship which was extremely helpful.

Custom Software Dev for Congressional Software Company

Thoughtbot was extremely organized and communicated on a reliable cadence with progress, issues, and timelines within the multiple projects with our company. All projects were delivered on time or early. Thoughtbot has always and continues to be extremely responsive to all of our needs and requests.

Web Development for Funding Company

Super communicative and timely. They took a complex concept, learned about it very quickly, and implemented the vision perfectly.

Web App Dev & Tech Support for Home Services Company

Thoughtbot was always extremely professional. They routinely delivered work on time and with a high degree of quality. When complications did arise, they were quick to communicate the issue to key stakeholders so that timelines or scope could be adjusted appropriately.

AI Solution Prototype Development for Software Company

thoughtbot delivered on time, went above and beyond, and was extremely cost-effective. They collapsed time for me by making my product in a sprint setting so I could see the next steps. I was able to pivot and simplify thanks to this sprint.

Custom Software Dev for Travel & Spend Management Firm

I worked primarily with their project manager who used a similar toolset as us. Wherever possible we integrated the team with our toolset for communication and project management (Slack, Jira, Confluence, etc). It took us a little while to find a groove that worked really well. We found that the more we just treated them like other members of the team and embedded, the more success we had.

Software Dev & Testing for Financial Education Platform

Arbisoft is an integral part of our team and we probably wouldn’t be here today without them. Some of their team has worked with us for 5–8 years and we’ve built a trusted business relationship. We share successes together. They’re committed to being part of our team and really care about not just the success of the project or the delivery of ticket, but the success of our business goals.

Proprietary Learning Platform Development

I couldn't be more pleased with the Arbisoft team. From the beginning, they felt like members of our own team—true partners rather than vendors. I’m constantly impressed with the velocity of their work, as well as the flexibility of their team to accommodate my organization's continually shifting priorities and initiatives.

Ministry Management App Dev for Church Training Organization

The Cleveroad team was precise when it came to deadlines. They had pre-defined budgets based on hours, and they never went over the hours at all. For communication, we used Google Meet for weekly meetings and Slack for daily communications. Cleveroad did the documentation on Google Documents.

iOS Application Development for Graphic Design Agency

Their project manager relayed to me the whole development process, asking me clarifying questions in order to understand what I really needed. Then, upon completion of each stage, I’d receive the results of development, the design of the future app, prototypes, and so on.

Automation & Testing for School Administration Solutions Co.

Jalasoft has also played a huge role in innovation for not only our team but that of others within our R&D departments. Allow Jalasoft to innovate and listen to their ideas.

Web Dev & Design for Relocation Platform

The thing I like the most about AppVerticals is they look after our best interests, and they’re very flexible. They are very understanding and trustworthy. I know I can trust AppVerticals to look after my best interests. It makes me feel comfortable working with them, because I feel they want the project to be as successful as I want it to be.

Mobile App Dev for Public Health Agency

The company was very easy to communicate with and very helpful. I am not very tech savvy, however, they were always quick to help. They were EXTREMELY KIND AND PATIENT with me and my circumstances and even demonstrated a true concern for my health. They were very responsive and timely throughout the project and were very effective communicators.

Business Network Mobile Developement

We are very pleased with the results. Since its launch, the iPhone application has consistently been a Top 20 Business App within iTunes, as well as listed by Apple within “What’s Hot” for Business iPhone apps.

Web Dev Audit & Advising for Furniture Retailer

The main deliverables in both audits were large documents summarizing their findings, in which they included a checklist of action items on their main recommendations. Those documents were high quality, well-designed, and very informative in both cases, so we really felt like we were getting a lot of value that we could show to our stakeholders after the project.

New Product Market Research & UI/UX Workflow for Printer Co

Having all of the technical recommendations in a very concise, well-laid-out come-back made it very easy for us to consume, and for me to take up to the executive team as well as down to our technical team. The quality at the end is what I was looking for. They were able to pull it all together and show us not just what the end result was but also how they arrived there.

App Maintenance and Dev for Regal Cinemas

The biggest success for us was having WillowTree take over the app. After that, they integrated our entire loyalty program into it, which was already the biggest of its kind in the movie industry. WillowTree decoupled all connectivity and dependencies with it and launched our first foray into selling online tickets.

Android/iOS Development for Online Marketplace

We were looking to build stable, solid products that could represent our marketplace well, that was the biggest thing. Any issues which came up were small and addressed immediately. WillowTree's work has created a good mobile presence for us that has been well received by our customers. WillowTree brought together a multidisciplinary team of designers, technicians, and quality assurance specialists, covering the whole gambit of how the app needed to be designed, developed, and tested across devices and platforms, in order to be successfully implemented.

Game Development for Nonprofit Organization

The PM team has provided good feedback and they have been attentive to our needs and concerns. Their ability to understand the nuance of our industry and try to expand and develop the world to as real of a situation as possible.

Mobile App Dev for Social Media Influencer Platform

Their business development side is great. When I needed help, Zack was always there, and Bobby was attentive during the whole project. Stewart [Business Development, Blue Label Labs] provided all the tools and connections I needed to get the best app possible.

Custom Software Development for Software Development Company

The team has exceeded our expectations. The designs are clean, and the product works fast. I’ve shown a screenshot to a friend, and they commented on how clean and professional it looked. The team does a good job of taking what I’m talking about and getting it done.

Native iOS & Android Apps for Secondhand Marketplace

Sembit worked extremely collaboratively with us. We had healthy discussions throughout the design process and throughout execution. Sembit has been very accommodating, flexible, and did all they could with their professional expertise to position us well for success.

Custom Software Development for Legal Services Firm

It’s been excellent every step of the way. The initial conversations were excellent — we had an instant human connection. In addition to being professional, they also had a human touch that’s irreplicable. Their wireframes were outstanding— they were almost good enough to be live.

Custom Software Dev for Sports Tech Company

We appreciated Shaun's professionalism and how easy it was to communicate with him, especially after having to listen to the other agencies we talked to tell us how great they were while asking us very few questions.

Web Portal Development for Private Bloggers' Community