Native app development and back-end solutions

We design and develop native mobile apps (iPhone, iPad & Android) for a diverse range of customers.

During all our projects we strive for perfection and the best interaction possible. We believe that it's crucial to deliver beautiful products: they help conversion and engage users in a positive way. This is showing in the way we work - our design and development process are totally integrated.

Type of projects

The apps that we develop are typically tools or applied games. Our tools are business-driven, focus on a clear goal and empowers the user to perform tasks easilly and swiftly. We usually connect our tools to our own back-ends and API's to keep them up-to-date. Our applied games are usually created within the healthcare space.

Type of clients

We mainly work for: agencies, small businesses, government & startups.

 
$25,000+
 
$50 - $99 / hr
 
10 - 49
 Founded
2010
Show all +
Rotterdam, Netherlands
headquarters
  • Schiehavenkade 264
    Rotterdam, ZH 3024EZ
    Netherlands

Portfolio

Key clients: 

Watertaxi Rotterdam, TUI Group, Municipality of Rotterdam, Longfonds, Rotterdampas, Kinderdijk, Netherlands Ministry of Defence.

Reviews

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Website Design for Transportation Company

"They have all the necessary expertise to make a project work, from start to finish."

Quality: 
4.5
Schedule: 
4.5
Cost: 
4.5
Willing to refer: 
4.5
The Project
 
$10,000 to $49,999
 
June 2017 - Jan. 2018
Project summary: 

YipYip provided website design and development services, working on a website almost from scratch. They also built an API to process online bookings.

The Reviewer
 
1-10 Employees
 
Rotterdam, Netherlands
Arno Schiettekatte
Manager, Spring Holding
 
Verified
The Review
Feedback summary: 

The new website provides excellent services, allowing the in-house team to process bookings online and reduce the pressure on telephone bookings. The YipYip team is comprehensive, professional, and skilled.

The client submitted this review online.

BACKGROUND

Please describe your company and your position there.

I’m a manager at Watertaxi Rotterdam B.V., which is part of Spring Holding B.V. Our water taxis transport riders to docks between Rotterdam and Schiedam in the Netherlands.

OPPORTUNITY / CHALLENGE

For what projects/services did your company hire YipYip?

We hired them to update our website, including the possibility to make online reservations on the same website.

What were your goals for this project?

To provide information to our users in both Dutch and English. By using an online booking API, we wanted to reduce the number of reservations made by phone.

SOLUTION

How did you select this vendor?

We were already working together on other projects.

Describe the project and the services they provided in detail.

The website was designed from scratch, using a few elements from our previous site. They then built it for us, developing an API to interact with our backend.

What was the team composition?

The team comprised a project manager, a website designer, and a website developer. There was also a person from DevOps when needed.

RESULTS & FEEDBACK

Can you share any information that demonstrates the impact that this project has had on your business?

Since the launch of the new website, we have an ever-increasing amount of reservations made online. That decreases the pressure on the employees operating the phone.

How was project management arranged and how effective was it?

Project management was thorough, clear, and pleasant, as we always experience with YipYip.

What did you find most impressive about this company?

They have all the necessary expertise to make a project work, from start to finish. They were also able to think about the project with us along the way.

Are there any areas for improvement?

There are very few areas that need improvement.

4.5
Overall Score
  • 4.5 Scheduling
    ON TIME / DEADLINES
  • 4.5 Cost
    Value / within estimates
  • 4.5 Quality
    Service & deliverables
  • 4.5 NPS
    Willing to refer

Backend Dev for Social App

"Their work is supported by exceptional expertise."

Quality: 
4.0
Schedule: 
5.0
Cost: 
4.0
Willing to refer: 
5.0
The Project
 
$50,000 to $199,999
 
Feb. 2018 - Ongoing
Project summary: 

YipYip performs custom software development on a backend solution. Their services have included a REST API integration.

The Reviewer
 
1-10 Employees
 
Den haag, Netherlands
Boris Kamp
Founder, DoToo
 
Verified
The Review
Feedback summary: 

The team’s technical knowledge has been instrumental in the development of the platform. Their project management is well-structured, and they complete all tasks on an efficient timeline. 

The client submitted this review online.

BACKGROUND

Please describe your company and your position there.

I’m the founder of DoToo, an all-in-one social app to plan, organize, and share daily activities. 

OPPORTUNITY / CHALLENGE

For what projects/services did your company hire YipYip?

We hired YipYip to perform custom backend development and consulting services.

What were your goals for this project?

We wanted a reliable backend solution that connects to the frontend through a REST API.

SOLUTION

How did you select this vendor?

We found YipYip after searching online and decided to hire them after meeting the team.

Describe the project and the services they provided in detail.

They created a custom backend solution that’s responsive to our specific needs.

What was the team composition?

The team consisted of 2–4 people, varying depending on the requirements of the project stage.

RESULTS & FEEDBACK

Can you share any information that demonstrates the impact that this project has had on your business?

The YipYip team has been a value-added to our business because they've augmented internal resources with technical knowledge.

How was project management arranged and how effective was it?

YipYip has two project managers who answer questions and assign deliverables to their specialists. The managers continuously update internal stakeholders on team decisions.

What did you find most impressive about this company?

Their work is supported by exceptional expertise. They’ve consistently delivered results in a timely matter.

Are there any areas for improvement?

They could be more transparent about skills they have less experience in. This would allow us to adjust our expectations accordingly.

4.5
Overall Score They are a young, eager team with great knowledge and support
  • 5.0 Scheduling
    ON TIME / DEADLINES
    Our ad-hoc approach to scheduling worked well.
  • 4.0 Cost
    Value / within estimates
    We think YipYip is quite affordable.
  • 4.0 Quality
    Service & deliverables
    They deliver good work.
  • 5.0 NPS
    Willing to refer
    We've already referred the team.

Custom iOS POS System for Water Taxi Company

“YipYip houses all of the expertise necessary to handle projects from start to finish.”

Quality: 
5.0
Schedule: 
5.0
Cost: 
4.5
Willing to refer: 
4.5
The Project
 
$10,000 to $49,999
 
Aug. 2016 - Jan. 2017
Project summary: 

YipYip developed an internal custom POS system for iOS devices. The app allowed users to collect payment for and digitally track water taxi rides.

The Reviewer
 
51-200 Employees
 
Rotterdam, Netherlands
Arno Schiettekatte
Management, Watertaxi Rotterdam B.V.
 
Verified
The Review
Feedback summary: 

YipYip handled the project well, supplying the design and building the project from the ground up. Transitioning from a manual process to a digital system drastically reduced administrative time, and internal stakeholders could now better track metrics such as sales and number of rides. 

The client submitted this review online.

BACKGROUND

Please describe your company and your position there.

I’m a manager at Watertaxi Rotterdam B.V., which is a part of Spring Holding B.V. Our water taxis transport riders to 50 different docks between Rotterdam and Schiedam in the Netherlands.

OPPORTUNITY / CHALLENGE

For what projects/services did your company hire YipYip?

We hired them to develop a POS system for each of our water taxis.

What were your goals for this project?

Our goal was to go from a manual, hand-written system to a digital administrative solution for all of our trips and guided tours.

SOLUTION

How did you select this vendor?

The IT developer who originally built our database system referred us to YipYip.

Describe the project and the services they provided in detail.

YipYip developed a POS system for iOS from scratch, including the IT architecture as well as the graphic design.

What was the team composition?

The team consisted of an iOS developer and a graphic designer, both led by a project manager.

RESULTS & FEEDBACK

Can you share any information that demonstrates the impact that this project has had on your business?

This project saved a significant amount of administration time while also yielding important ride data.

How was project management arranged and how effective was it?

The project management was thorough, clear, and pleasant.

What did you find most impressive about this company?

YipYip houses all of the expertise necessary to handle projects from start to finish.

Are there any areas for improvement?

No, there was very little to improve.

4.5
Overall Score
  • 5.0 Scheduling
    ON TIME / DEADLINES
    The scheduling was tight and clear.
  • 4.5 Cost
    Value / within estimates
  • 5.0 Quality
    Service & deliverables
    The app worked fine upon release and has continued to function ever since.
  • 4.5 NPS
    Willing to refer