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by embr
Expo-based fintech mobile app with tab navigation, real-time financial dashboard, and budget tracking. Built with TypeScript, React Native, and Zustand state management, featuring animated charts, category-based expense analysis, and responsive layouts for iOS/Android/web. Includes dashboard with net income/expense metrics, budget progress bars, transaction history, and portfolio insights—ideal for developers building personal finance or wealth management applications. Licensed under Tetrees License.
Mobile R2B4 is a React Native financial management application built with Expo and TypeScript. It provides a comprehensive dashboard for tracking income, expenses, budgets, and financial insights across multiple tab-based screens. The app features real-time transaction management, category-based spending analysis, and visual budget tracking with animated charts.
Install dependencies:
npm install
# or
yarn install
Import and use the tab layout:
import TabsLayout from './app/(tabs)/_layout';
Access dashboard screen:
Navigate between sections:
Add transactions:
The app uses a centralized theme system (Colors, Typography, Spacing, Radii, Shadow) for consistent styling across all screens. Customize colors and typography by modifying the theme tokens.
Tetrees License
Spin up an isolated sandbox and run it server-side — no local setup.
The sandbox audition completed and the detected runnable path passed.
This React, React Native mobile app completed archive review. Structure, dependency manifests, documentation, functional source, and common risk patterns were checked by the Tetrees verification pipeline; runtime phases are stated separately.
Deterministic AVCP artifact review
Pipeline avcp-2026-08-04.1 · SHA-256 6ecca5c3879752e8…
This version-scoped review deterministically inspects the submitted archive for structure, dependencies, documentation, functional source, and common malicious or high-risk signals. Build and test phases are reported as passed only after an isolated sandbox audition. It is not a guarantee of perfect security.
Reviewed Aug 4, 2026
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9 ratings
Great starting point. Dropped "Finance Manager App Template" straight into the app; the README covered every config I needed.
Shipped with this same week. Used "Finance Manager App Template" to build my app and it cut days off the build. Will definitely check their other products.
Better than I expected. Used this mobile template to build my app and it cut days off the build. Exactly as described.
Exactly what I needed. The abstractions are sensible and easy to swap out, and docs were clear enough that I never had to open an issue. Docking half a star only because I wanted a couple more examples.
Clean and well thought out. Picked up this mobile template for a client app — Components are cleanly separated and easy to extend.
Punches well above its price. The abstractions are sensible and easy to swap out, and even the tricky env setup was explained well. Will definitely check their other products.
Great starting point. Used "Finance Manager App Template" to build my app and it cut days off the build.
Clean and well thought out. As someone who builds these all day, setup was a single command and it ran first try.
Worth every point. TypeScript types are actually accurate, no fighting the compiler, and docs were clear enough that I never had to open an issue. Already using it in production.
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