EndorsedendorsedCompleted

FinTech Cross-Platform Mobile App (Flutter)

Services Covered:

Mobile Application DevelopmentCustom Software Development
Project hero — replace with case study imagery
Industry
Industry

Information Technology

Duration
Duration

15 months

Budget
Budget

50K - 199K

Client Size
Start Date

1 June 2021

Team Size
Team Size

1-5 Employees

Engagement Model
Engagement Model

Onshore

Project Capability Score (PCS)

gauge meter
79/100
Good

Project Capability Score (PCS) estimates how capable CrustLab is of successfully delivering a project like this, based on its past experience, track record, and ability to handle similar work. Learn more about PCS


Client

Pragmatic Coders

map Poland

Project Summary

CrustLab developed a cross-platform FinTech mobile app for a software and technology firm using Flutter and supporting frameworks. A CrustLab mobile developer embedded with the client's team implemented core features, UI interactions for blockchain asset pricing, and supported final release tasks. The vendor resolved all reported issues and delivered a functioning iOS and Android app on schedule, with transparent communication via Slack and Google Meets.

Key Challenges

  • Successfully complete a FinTech mobile app for a customer
  • Strengthen the team with Android and iOS mobile development experts
  • Complete the project as soon as possible while maintaining high quality

Project Deliverables

  • Cross-platform mobile application for iOS and Android
  • Visual and interactive presentation of blockchain assets' pricing changes
  • Bug fixes addressing 100% of reported issues and final release support

Project Solution

CrustLab supplied an embedded mobile developer who reviewed existing work, implemented core mobile features — including visual and interactive presentation of blockchain asset pricing — and assisted with final release tweaks. Development used Flutter and supporting frameworks (AutoRoute, RxDart) and tools (Firebase, Dio, Retrofit, Bitrise, Fastlane). The engagement delivered refined iOS and Android versions and included issue resolution leading up to release.

Project Outcome

  • Fully functioning cross-platform mobile app released as planned
  • 100% of reported issues were resolved prior to release
  • Developer integrated quickly and improved team efficiency and communication

Platforms

  • MobileMobile

Tech Stack

  • FlutterFlutter
  • RetrofitRetrofit
  • AndroidAndroid
  • iOSiOS
  • FirebaseFirebase

Client Endorsement

Overall Review Rating

4.63star5 out of 5 stars

Timeliness

Cost Rating

Willing to Refer

Quality of Deliverables

CrustLab delivered a fully-functioning mobile app, thanks to their attention to detail and technical understanding. The team was highly adaptable throughout the workflow, and internal stakeholders were particularly impressed with the vendor's valuable mobile development experience.

Marcin Dziedzic

Founder

Note: This endorsement is based on publicly available client feedback from external review sources.

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