# 4Budget > 4Budget is a personal budget tracking app for iPhone, developed by Robert Poetzsch. It helps users manage monthly income, recurring expenses, and savings goals. The app is privacy-focused: all data is stored locally on the device with no cloud sync, no accounts, no subscriptions, no ads, and no third-party tracking. It is available as a one-time purchase on the Apple App Store, in English, German, French, Spanish and Italian. ## Key Facts - App Name: 4Budget - Platform: iOS (iPhone), requires iOS 26.1 or later - Developer: Robert Poetzsch - Contact: support@robspace.de - App Store: https://apps.apple.com/app/4budget/id6759730753 - Website: https://4budget.app.robspace.de/ (languages: ?lang=en, ?lang=de, ?lang=fr, ?lang=es, ?lang=it) - Privacy policy: https://4budget.app.robspace.de/#privacy-policy - Current Version: 2.2 - Languages: English, German, French, Spanish, Italian (the app follows the iPhone's language; change it under Settings > Language in the app) - Price: One-time purchase (no subscription) - Privacy: No data collection, no analytics, no tracking, no ads, fully offline, GDPR/CCPA compliant ## Features - **Dashboard**: Overview of available budget with utilization ring, income, expenses, savings cards, and color-coded category breakdown with proportional bars. - **Expense Management**: Add, edit, and delete recurring expenses with custom payment intervals (1–120 months), categories, optional end dates, and automatic monthly cost calculation. - **Expense List**: Sortable list of all recurring expenses showing name, category, value, frequency, and monthly cost. Supports sorting by name, value, next payment, or frequency. - **Calendar View**: Monthly calendar with red dot indicators for payment due dates. Tap days to filter expenses, tap expenses to edit them. Lists all expenses for the displayed month. - **Insights & Analytics**: Budget utilization progress bar, spending-by-category donut chart with percentages, and top 5 expenses overview. - **Monthly Cost Forecast**: 6-month and 12-month bar chart projections. Shows total yearly spend, monthly averages, peak and lowest months. Includes Financial Snapshot with annual projections for expenses, savings, and disposable income. - **Multi-Currency Support**: Searchable picker with more than 140 world currencies. A fresh install starts with the currency of the user's region. All amounts, charts, PDF reports, and CSV exports adapt to the selected currency. - **PDF & CSV Export**: Export all expenses as a clean PDF report (with overview table, values, frequencies, monthly costs, next payment dates, and summary totals) or as CSV for spreadsheet use. Shareable via the iOS share sheet. - **Backup & Restore**: Manual and automatic weekly backups stored as .4budget files. Import/export via the iOS share sheet. Auto-pruning keeps the 6 most recent backups. - **Languages & Region**: English, German, French, Spanish and Italian. Amounts, dates and the first day of the week follow the user's region. - **Settings**: Category management with color picker, configure which categories count as savings vs. expenses, theme selection. ## Data Storage All data is stored exclusively on the user's device. In the app's local settings storage (iOS UserDefaults): - Monthly income - Recurring expenses (name, amount, interval, next payment date, category, optional end date, active/inactive) - Categories (names, colors, savings or expenses) - Selected currency - Theme setting - Technical markers: date of the last automatic backup, whether default categories were created, app version for which "What's New" was last shown Backups are files (.4budget) in the Backups folder inside the app's Documents folder; automatic backups at most once a week, the 6 most recent automatic backups are kept; users can export, restore and delete them. No data is transmitted to any server. The app requires no network connectivity. Links in Settings (GitHub community pages, iOS Settings for the language) open only when tapped, outside the app. ## Version History - **v2.2**: 4Budget now speaks English, German, French, Spanish and Italian and follows the iPhone's language (Settings > Language in the app). Amounts and dates use the region's format, the calendar starts on the region's first day of the week, and a fresh install starts with the region's currency. Better VoiceOver labels for buttons and charts. All data stays exactly as it was. - **v2.1** (Sep 2026): Ready for iOS 27, built with Apple's latest SDK. New "Community & Feedback" section in Settings (report a bug, suggest a feature, join the discussions on GitHub). About section always shows the current version number. All data carries over unchanged. - **v2.0** (Mar 2026): Complete visual overhaul with new dark theme derived from the app icon. Cyan accent, deep blue surfaces, redesigned Dashboard, Expenses, and Calendar. Always-dark mode. - **v1.4** (Mar 2026): Monthly Cost view with 6/12-month forecast charts, Financial Snapshot with annual projections, CSV export, calendar tap-to-edit, calendar day filtering. - **v1.3** (Feb 2026): Backup & Restore system, multi-currency support (100+ currencies), sort by frequency, race condition fixes. - **v1.2** (Feb 2026): Insights tab (utilization bar, donut chart, top 5 expenses), expense sorting, active/inactive toggle, optional end dates. - **v1.1** (Feb 2026): Sortable category breakdown, PDF first-tap fix. - **v1.0** (Jan 2026): Initial release with Dashboard, Expenses, Calendar, PDF export, Settings, category management. ## Legal - Developer: Robert Poetzsch, Brückenstr. 8A, 65719 Hofheim am Taunus, Germany - Legal basis: German Digital Services Act (§ 5 DDG) - EU Digital Services Act: the developer acts as a trader when offering 4Budget through the Apple App Store (Art. 30 Regulation (EU) 2022/2065) - Privacy: No personal data collected. GDPR and CCPA rights inherently fulfilled through data minimization.