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Enterprise Flutter App Development Company

LeanCode is a full-cycle software development company designated as an official Flutter consultant by Google. With a team of 80+ tech experts, we build software solutions that drive change and help businesses scale.

As your tech partner, we cover the entire software development lifecycle – from product strategy and design to development, launch, and maintenance. Our offering includes:

  • Min project size
    $25,000+
  • Hourly rate
    $50 - $99 / hr
  • Employees
    50 - 249
  • Locations
    Warszawa, Poland
  • Year founded
    Founded 2016
  • Languages
  • Timezones

2 Languages that we service

  • English
  • Polish

15 Timezones that we service

HST
Hawaii Standard Time (HST)
AKST
Alaska Standard Time (AKST)
PST
Pacific Standard Time (PST)
MST
Mountain Standard Time (MST)
CST
Central Standard Time (CST)
EST
Eastern Standard Time (EST)
AST
Arabia Standard Time (AST)
ACT
Australia Central Time (ACT)
AET
Australia Eastern Time (AET)
CET
Central European Time (CET)
EET
Eastern European Time (EET)
GMT
Greenwich Mean Time (GMT)
MET
Middle East Time (MET)
NST
New Zealand Standard Time (NST)
SGT
Singapore Standard Time (SGT)

1 Locations

  • Warszawa , Poland

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

    LeanCode offers competitive pricing with good value for cost, as noted by several clients. Specific project costs mentioned include a $350,000 investment for a mobile application and a $25,000 budget for a barn management app. Clients praised timely delivery and effective project management.

    This summary is based on verified Clutch reviews.

    Most Common Project Size

    $50,000 - $199,999 based on 17 reviews
    < $49,999 $50,000 - $199,999 $200,000 - $999,999 > $1,000,000

    Select a service to see pricing information

    LeanCode 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

    • Client-Centric Approach

      The team at LeanCode is noted for their customer-oriented mindset, often going beyond mere technical execution to understand and align with client business goals. This approach helps in delivering solutions that provide real value to end users.

    • Minor Timeline Adjustments

      Some clients noted minor delays due to unexpected issues during development. However, LeanCode's prompt response and proactive adjustments ensured project goals were still met effectively.

    • Commitment to Continuous Improvement

      LeanCode demonstrates a commitment to learning and improving their processes. They actively seek feedback and implement changes to enhance their service delivery, which is appreciated by clients.

    • Strong Project Management

      LeanCode consistently demonstrates effective project management across various engagements. Clients highlight their ability to deliver projects on time, maintain clear communication, and adapt to changing project scopes. Their agile approach ensures a smooth workflow and timely delivery.

    • High Quality of Deliverables

      Clients consistently commend LeanCode for delivering high-quality products that meet or exceed expectations. Their attention to detail and commitment to maintaining robust engineering standards are frequently highlighted.

    • Responsiveness to Client Needs

      LeanCode is noted for their responsiveness and flexibility in addressing client requests and evolving project requirements. Their ability to adapt to changes while maintaining project momentum is a significant asset.

    LeanCode Reviews

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    Services
    Project cost

    Mobile App Dev for Shell

    • Mobile App Development
    • $10,000,000 +
    • May 2018 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "I was impressed with their knowledge, ... commitment, and how they went beyond the agreed level of support."

    May 27, 2020
    Commercial Lead New Products, Shell
    Anonymous
    Verified
    • Energy & natural resources
    • Warsaw, Poland
    • 10,001+ Employees
    • Online Review
    • Verified

    LeanCode developed an app for a major gas and energy company. They handled everything from front- to backend development. The product would optimize the daily operations of fleet managers and dispatchers.

    Mobile App Dev for Hospitality HR Platform

    • Mobile App Development
    • Confidential
    • June 2018 - Mar. 2019
    5.0
    Quality
    5.0
    Schedule
    4.5
    Cost
    4.5
    Willing to Refer
    5.0

    "They were willing to share their business knowledge and tips to help us avoid possible obstacles."

    May 22, 2020
    Project Manager, Gastro Job sp. z o.o.
    Magdalena Keating
    Verified
    • Hospitality & leisure
    • Rzeszow, Poland
    • 1-10 Employees
    • Online Review
    • Verified

    LeanCode developed the flagship app of a recruitment startup that specializes in the hospitality industry. The team helped with brainstorming and branding before developing both iOS and Android platforms.

    Mobile App Dev & Design for Food Products Company

    • Mobile App Development UX/UI Design
    • Confidential
    • Feb. - Apr. 2025
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They met our deadline and fulfilled our initial expectations."

    Jul 23, 2025
    Innovative Projects Specialist, TYMBARK–MWS Sp zoo
    Marta Gawlik
    Verified
    • Other industries
    • Poland
    • 5,001-10,000 Employees
    • Online Review
    • Verified

    LeanCode developed a custom mobile app for a food products company. The team implemented a user-friendly design and built an iOS and Android version of the app. 

    Mobile App Development for Consumer Electronics Company

    • Mobile App Development
    • Confidential
    • Feb. 2023 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "LeanCode always delivered on time and quality."

    Apr 15, 2025
    Senior Project Manager, Sonova Consumer Hearing GmbH
    Sebastian Schmidt
    Verified
    • Other industries
    • Germany
    • 501-1,000 Employees
    • Online Review
    • Verified

    LeanCode provides mobile app development and consulting for a consumer devices company. The team has helped the client build strategic know-how in Flutter and has co-developed a new app with the internal team.

    Mobile App Development for University

    • Custom Software Development Mobile App Development
    • $50,000 to $199,999
    • Oct. 2024 - Apr. 2025
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They have open communication channels to all levels."

    Apr 1, 2025
    Professor, University
    KTT
    Verified
    • Education
    • London, England
    • 1,001-5,000 Employees
    • Online Review
    • Verified

    LeanCode developed a mobile app for a university. The team used Flutter and provided full-cycle development, from designing the app to delivering the final product.

    Mobile App Dev for Construction Company

    • Custom Software Development Microservices Architecture Services Mobile App Development
    • Confidential
    • Sep. 2024 - Jan. 2025
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Resources were properly allocated and team management allowed for sufficient task distribution."

    Mar 4, 2025
    Business Analyst, Construction Company
    Anonymous
    Verified
    • Other industries
    • Wroclaw, Poland
    • 201-500 Employees
    • Online Review
    • Verified

    LeanCode developed an e-book application for a construction company. The team handled user requirements gathering, wireframing and prototyping, UI/UX design, user authentication, and account management.

    UX/UI Design & App Development for Confectionery Brand

    • Custom Software Development Generative AI UX/UI Design
    • Confidential
    • Nov. 2023 - May 2024
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They proactively addressed challenges early on, which was crucial for maintaining momentum."

    Dec 2, 2024
    Content Manager, The Chocolate Factory E.Wedel
    Anna Grochowiak
    • Arts, entertainment & music
    • Warsaw, Poland
    • 1,001-5,000 Employees
    • Online Review

    LeanCode developed a desktop app for a confectionery brand that allows users to design custom packaging. The team created wireframes, developed the app, and tested the product.

    App Management & Support for Mobility Solutions Firm

    • Application Management & Support Application Testing Mobile App Development
    • Confidential
    • Feb. - Sep. 2024
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "We greatly valued their deep knowledge and technical expertise in the Flutter framework."

    Sep 9, 2024
    Product Manager, Ride Tech
    Julian Jagan
    • Automotive
    • Switzerland
    • 11-50 Employees
    • Online Review

    A contactless mobility solutions company hired LeanCode to build two apps for customers and internal use. The team also integrated third-party solutions and the client's backend.

    IT Staff Augmentation for Drug Research Institute

    • Custom Software Development IT Staff Augmentation Mobile App Development
    • $50,000 to $199,999
    • Jan. 2023 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They are highly skilled in Flutter."

    Jul 24, 2024
    Lead Software Engineer, CHDR
    Anonymous
    • Other industries
    • Leiden, Netherlands
    • 501-1,000 Employees
    • Online Review

    LeanCode has provided developers to expand the size and skill set of a drug research institute's development team. The goal is to build an app for conducting neurological research.

    Mobile App & Web Dev for Financial Management Platform

    • Mobile App Development Web Development
    • Confidential
    • Sep. 2023 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They delivered all items on time and under budget."

    May 17, 2024
    Co-Founder & CEO, YourOwn
    Joshua Lory
    Verified
    • Financial services
    • San Francisco, California
    • 1-10 Employees
    • Online Review
    • Verified

    LeanCode has supported a financial management platform in developing a cross-platform iOS and Android app, as well as a web app, which includes handling backend tasks, leveraging Flutter, and conducting QA.

    Showing 21-30 of 31 Reviews

    Our Story

    We began as a small group of six dedicated professionals. Today, we've grown to a team of over 80 tech experts, all focused on building software solutions that drive change and help businesses scale.

    What sets us apart? Our deep technical expertise is combined with a strong business mindset. Flutter, Google’s leading cross-platform development framework, lies at the core of our work, enabling us to deliver complex projects faster, shorten time-to-market, and ensure top-tier performance.

    What Sets Us Apart

    World-class Flutter experts

    Poland is home to some of the world’s best engineers, and our Flutter team represents the very best of them.

    True problem solvers

    We go beyond code to understand and solve real business challenges, helping the product move forward and scale effectively.

    Enterprise-level consultants

    We bring vast experience managing complex IT systems for large enterprises, ensuring they meet rigorous standards of reliability, scalability, and security.

    Clutch verification provides an additional layer of data to help you make the right purchasing decision of business services.

    Learn More
    Verified Client Reviews
    27
    Overall Review Rating
    5
    Source
    Clutch
    Last Updated
    September 30, 2025

    Business Entity

    Business Entity Name LeanCode Sp. z o.o.
    Source Central Statistical Office of Poland
    Jurisdiction of Formation Poland
    Date of Formation September 22, 2016
    Status Active
    Last Updated October 12, 2023
    ID 0000638275

    Credit Report Results

    International Credit Risk Assessment Very Low Risk
    Source Creditsafe
    Last Updated January 1, 2022
    Learn More About The Clutch Verification Process

    Locations (1)

    ul. Wróbla 8A WarszawaPoland 02-736

    50 - 75

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    Grupa Maspex

    (1)
    Grupa Maspex Logotype

    Marta Gawlik

    INFINIT

    (1)
    INFINIT Logotype

    Guillaume Lavignotte

    Additional Connections

    (3)

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