endorsedCompleted

Currency Converter Plus — iOS App Redesign & Backend Refactor

Services Covered:

Custom Software Development • Mobile Application Development • UI/UX Design

Industry

Financial Services

Duration

2 months

Budget

10K - 49K

Start Date

1 April 2025

Team Size

1-5 Employees

Engagement Model

Nearshore

Project Capability Score (PCS)

85/100

Strong

Project Capability Score (PCS) estimates how capable Chili Labs 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

Kaspre Invest OÜ

Estonia

Project Summary

Chili Labs redesigned the UI/UX and developed new features for the Currency Converter Plus iOS app and refactored its PHP backend to improve performance and stability. The updates delivered richer functionality and a more stable, efficient app, and the client observed a better conversion rate after launch. The vendor demonstrated professionalism, transparent communication, flexibility, and on-time delivery.

Key Challenges

Create a new UX for our app.
Add new features to our app.

Project Deliverables

PHP backend refactoring
Code optimization and modularization
Robust error handling and improved data processing
Performance testing and tuning
Mobile app feature enhancements (rate updates, calculation features)
iOS compatibility updates
App redesign and UI/UX improvements
Enhanced keyboard with calculation buttons
Improved navigation and layout

Project Solution

Chili Labs refactored the existing PHP backend to improve performance, maintainability, and scalability, implementing code optimization, modularization, and improved error handling. They added new mobile app features — including enhanced rate update mechanisms and calculation functions (percentage and negative amount operations) — and ensured full compatibility with the latest iOS updates. They redesigned the iOS app’s UI/UX, improved keyboard layout with additional calculation buttons, and refined navigation and layout based on user feedback.

Project Outcome

Better conversion rate for the app.
All deliverables completed on time.
Improved app stability and efficiency.
Positive user feedback and enhanced functionality.

Platforms

Mobile

Tech Stack

Client Endorsement

Overall Review Rating

Timeliness

Cost Rating

Willing to Refer

Quality of Deliverables

“Chili Labs has delivered a more stable and efficient app with richer functionality and a redesigned interface. Since the new app version was launched, the client has noticed a better conversion rate. The team has demonstrated professionalism, transparency, flexibility, and adherence to timelines.”
Meelis Viiding
Owner
Date: 05/19/2025