Case study
Finance Eye
Investment & Loan Calculator App
Role
Scope
Stack
Live
What I built.
- 01
Led development of the app, and helped plan its features and technical direction throughout.
- 02
A financial calculator that helps people weigh up investments: IRR, SIP plans, loan repayments and compound interest.
- 03
Wrote the financial calculation logic with accuracy first, since people make money decisions on these numbers.
- 04
Premium features unlocked by in-app purchase, and in-app advertising through Google AdMob.
- 05
Built and refined the key screens, including the purchase and PDF screens, and checked they stay easy to use on every screen size.
- 06
Performance work and bug fixing to keep the app fast and stable.
- 01
React Native app; led the implementation and contributed to feature planning and technical decisions.
- 02
Calculation logic for IRR, SIP planning, loan repayments and compound interest, written with a focus on numerical accuracy.
- 03
In-app purchases gating the premium features.
- 04
Google AdMob integrated and managed for in-app advertising.
- 05
In-app purchase and PDF manipulation screens, with UI responsiveness reviewed across screen sizes and devices.
- 06
Performance optimisation, bug fixing and stability work.