Personal Expense Manager iOS AppPersonal Expense Manager iOS App
Manage personal expenses with the help of ChatGPT API in SwiftUI Recently UpdatedPersonal Expense Manager iOS App
Manage personal expenses with the help of ChatGPT API in SwiftUI
Overview
Product Overview
GroupPay (Fairpay) is a feature-rich group expense tracking and splitting iOS app built with UIKit. It includes premium AI integrations: an AI receipt scanner using GPT-4o Vision, budget recommendations, anomaly alerts, and export options. The project uses a TypeScript Firebase Cloud Functions backend, Firestore database storage, and RevenueCat for subscription gating.
Technical Stack
- Frontend: UIKit (View Controllers, Storyboards) & Swift (iOS 16.0+)
- Reactive Programming: RxSwift & RxCocoa
- Charts: iOS Charts Library (Swift)
- Search Engine: Algolia Search Client Swift
- Backend: Firebase Cloud Functions (TypeScript / Node.js)
- Database: Firebase Firestore
- AI Services: OpenAI (GPT-4o Vision for receipts, GPT-4o text models)
- Monetization: RevenueCat SDK
Libraries & Dependencies (Swift Package Manager)
purchases-ios-spm(RevenueCat)RxSwift&RxCocoa(Reactive data binding and events)Charts(Data visualization and spending trend graphs)firebase-ios-sdk(Firebase Auth, Cloud Functions, Firestore)lottie-spm(Lottie animation framework)Kingfisher(Image loading and caching)SFSafeSymbols(Type-safe access to SF Symbols)GoogleSignIn-iOS(Google Auth Integration)algoliasearch-client-swift(Algolia search engine client)
Features
Core App Features
1. Expense Splitting & Group Management
- Fair Splits: Log bills, calculate debts, and track who owes what.
- Algolia Member Search: Instantly look up friends and add them to groups.
- Multi-Currency Support: Handles various currency exchange rates.
2. AI Receipt Scanner (Premium)
- Vision Scan: Snap a picture of any receipt and parse individual line items using GPT-4o Vision.
- Auto-Categorize: Recognizes merchant names and auto-assigns items to expense categories.
- 30-Day Image Caching: Caches scanned images in Firebase Storage to lower API costs.
3. Insights & Budget Assistant (Premium)
- Spending Anomalies: AI-driven alerts for unusual transactions or spending hikes.
- Budget Recommendations: GPT-4o reviews monthly expenses and suggests custom budgets.
- Spending Trends: Displays graphical spending patterns across categories.
4. Advanced Statistics
- Analytics Charts: Custom graphs (pie/line) visualize group balances and spend distributions.
- Data Exporting: Export group statistics and data tables.
5. In-App Purchases (RevenueCat)
- Usage Limits: Gating controls limit free users to 3 groups and 5 members. Premium users unlock unlimited groups, members, receipt scans (up to 50/month), and budgeting insights.
- Google & Apple Auth: Secure authentication.
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| Category | App Templates / iOS / Applications / Productivity |
| First release | 16 June 2026 |
| Last update | 16 June 2026 |
| Operating Systems | iOS 15.0 |
| Files included | .swift |
| Tags | iOS, xcode, payment, personal, swift, expense tracker, chatgpt, finance manager |








