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Text editing, collaboration, and AI for SaaS apps

Flexum is a software agency that transforms SaaS apps into user favorites. We specialize in building cutting-edge features that modern users expect — advanced content editing, real-time collaboration, and generative AI functionality. With zero hassle for your team, we help your app not just keep up with the competition but lead the pack. 🚀

⚙️ Advanced features, seamlessly delivered

  • Min project size
    $25,000+
  • Hourly rate
    $50 - $99 / hr
  • Employees
    10 - 49
  • Locations
    L'viv, Ukraine
  • Year founded
    Founded 2020

1 Locations

  • L'viv , Ukraine

No have been added yet...

    Pricing Snapshot

    Min. project size $25,000+
    Avg. hourly rate $50 - $99 /hr
    Rating for cost 4.9 /5

    What Clients Have Said

    Flexum offers good value for cost, fitting within client budgets. Project investments range from $25,000 to $50,000, with positive feedback on pricing and project management. Clients appreciate timely delivery and proactive communication, indicating overall satisfaction with the pricing relative to the quality of services provided.

    This summary is based on verified Clutch reviews.

    Most Common Project Size

    $50,000 - $199,999 based on 7 reviews
    < $10,000 $10,000 - $49,999 $50,000 - $199,999 > $200,000

    Select a service to see pricing information

    Flexum Review Insights

    Overall Review Rating

    5.0
    • Quality 5.0
    • Schedule 4.9
    • Cost 4.9
    • Willing to Refer 5.0

    Top Mentions

    Review Highlights

    • No Significant Areas for Improvement Noted

      Clients have not identified any major areas for improvement, consistently expressing satisfaction with Flexum's services. The company is recommended for their technical proficiency, effective project management, and client-focused approach.

    • Proficiency in Custom Shopify Apps

      Flexum excels in developing custom Shopify applications, integrating seamlessly within Shopify's ecosystem. Clients appreciate the intuitive interfaces and functionalities like store credit rewards and referral systems, enhancing customer loyalty for e-commerce brands.

    • Effective Project Management and Communication

      Flexum demonstrates strong project management skills, delivering projects on time and within budget. Clients commend their proactive communication, responsiveness to requests, and transparent workflows, contributing to successful project outcomes.

    • Strong Mobile App Development Skills

      Flexum is proficient in developing cross-platform mobile apps using React Native. Clients have praised their ability to expand web platforms to iOS and Android, ensuring performance, usability, and successful app store launches.

    • Cordial and Collaborative Team Environment

      Flexum's team is praised for their warm, friendly, and collaborative approach. Clients feel that Flexum's team works as partners, fostering a positive and productive working relationship that enhances project outcomes.

    Flexum Reviews

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    UI/UX Design & Web Dev for Employee Experience Platform

    • UX/UI Design Web Development
    • Confidential
    • Mar. 2024 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "We are happy with our collaboration."

    Oct 20, 2025
    Head of Product, Speakap
    Denys Koval
    Verified
    • Other industries
    • Amsterdam, Netherlands
    • 51-200 Employees
    • Online Review
    • Verified

    Flexum has redesigned the UI/UX of an employee experience platform. The team has helped create a new design system, built mock-ups, prototypes, and high-fidelity designs, and supported web development.

    Shopify App & Web Design & Development for Loyalty Platform

    • Custom Software Development UX/UI Design Web Development
    • Confidential
    • May 2022 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They have been wonderful partners."

    Feb 13, 2025
    CEO, Angle
    John Evons
    Verified
    • Other industries
    • Bend, Oregon
    • 1-10 Employees
    • Online Review
    • Verified

    Flexum has developed a custom Shopify app for a loyalty platform. The team has built the app's infrastructure on Google Cloud, designed a Webflow website, and created UI/UX designs.

    Marketing Tool Dev for Mobile Growth Consultancy

    • Custom Software Development
    • $10,000 to $49,999
    • Jan. - July 2023
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "It was their warm and collaborative approach that set them apart from other service providers."

    Jul 10, 2023
    ASO Consultant, Phiture
    Anonymous
    Verified
    • Advertising & marketing
    • Germany
    • 51-200 Employees
    • Online Review
    • Verified

    Flexum was hired to develop and maintain an app marketing tool for a mobile growth consultancy. The team mainly provided UI/UX design support to build and maintain a user-friendly and bug-free interface.

    Mobile App Dev for SaaS Podcast Platform

    • Mobile App Development
    • $50,000 to $199,999
    • Jan. 2021 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They bring a lot of value to the project, and it’s really nice to work with a bespoke company that meets our needs."

    Jul 15, 2022
    Founder & CEO, Castos
    Craig Hewitt
    Verified
    • Other industries
    • Barrington, Rhode Island
    • 11-50 Employees
    • Phone Interview
    • Verified

    A SaaS podcast platform engaged with Flexum for their mobile app development services. The team utilizes React Native for the build and provides ongoing maintenance and support.

    Custom Software Dev for A/B Testing & Marketing Tool

    • Custom Software Development
    • $10,000 to $49,999
    • Feb. 2021 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    4.5
    Willing to Refer
    5.0

    "Flexum has done a good job of tackling the complexity of the work we’re doing."

    Nov 16, 2021
    Founder, ASO Giraffe
    Fede Behrens
    Verified
    • Other industries
    • London, England
    • 1-10 Employees
    • Phone Interview
    • Verified

    Flexum is developing an A/B testing and marketing tool using JavaScript and React. They’ve taken over the project from another vendor who developed the MVP, and they've facilitated the transition process.

    Android & iOS Mobile App Dev & Design for Text Marketing Co

    • Mobile App Development UX/UI Design
    • $50,000 to $199,999
    • July 2023 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    4.5
    Cost
    4.5
    Willing to Refer
    5.0

    "The team often went above and beyond what was requested."

    Oct 8, 2024
    Founder, AudienceTap
    Sam Schrup
    Verified
    • Telecommunications
    • Iowa City, Iowa
    • 1-10 Employees
    • Online Review
    • Verified

    A text marketing company has hired Flexum to design and develop a cross-platform mobile app. The team has added mass text message sending, a chatting interface, and dashboard and reporting features to the app.

    Web App Development for Software Company

    • UX/UI Design Web Development
    • $50,000 to $199,999
    • Nov. 2022 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They are very honest when we start to overthink, build too much, or focus on things that do not matter."

    Jul 20, 2023
    Founder, Distribute.so
    Andy Mewborn
    Verified
    • Other industries
    • Austin, Texas
    • 1-10 Employees
    • Online Review
    • Verified


    Flexum is designing and developing a web app for a software company. They're also tasked with supporting the solution's launch.

    SaaS App Dev for Market Intelligence Platform

    • Custom Software Development UX/UI Design Web Development
    • $10,000 to $49,999
    • Jan. 2023 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "I was very impressed with their design and attention to detail."

    May 8, 2023
    Founder & CEO, Munchspot
    Ryan Suresh
    Verified
    • Other industries
    • Houston, Texas
    • 1-10 Employees
    • Online Review
    • Verified

    Flexum has been hired to create a SaaS app from scratch for a market intelligence platform. They've built a database app that stores e-commerce data, which can be filtered and searched easily.

    SaaS Platform Development for Digital Publishing Business

    • Custom Software Development
    • $50,000 to $199,999
    • Mar. 2021 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They're awesome and will take your project wherever you need it to go."

    Sep 8, 2021
    CEO, Blooksy
    Anthony Joiner
    Verified
    • Other industries
    • Atlanta, Georgia
    • 1-10 Employees
    • Online Review
    • Verified

    Flexum is tasked to take over a SaaS platform development by the digital publishing business. 

    Showing 1-9 of 9 Reviews

    Locations (1)

    Uhorska St., 14A L'vivUkraine 79000

    10 - 15

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