Freelancer Billing - stop losing billable hours in a notebook. Track clients, log your time as you work, and turn it into a clean, numbered invoice in one click. No internet, no account, no subscription. Your data never leaves your device.

What you get (3 formats in one purchase)
- Phone (Android) - installable APK, works offline.
- Computer (Windows) - a ready-to-run app; extract and double-click. Nothing to install.
- Tablet & Web - a web/PWA version for any browser; add it to your home screen and it runs like a native app, offline.

Features - Clients - keep a client list with an optional hourly rate per client. - Time log - log minutes and a note against any client; entries stay marked "unbilled". - Invoices - add line items by hand, oder pull all unbilled time for a client in one click (it uses that client's rate and marks the time as billed). - Automatic totals - tax rate, subtotal and grand total are computed for you. - Print or save as PDF - straight from the app, no extra software. - Settings - your business name and email, tax rate, currency (any Intl currency), invoice-number prefix, and a 17-language switcher. - Clean, distraction-free design. No ads, no tracking, no telemetry. Languages (17) English, العربية, Français, Español, Português, Türkçe, 中文, Deutsch, Italiano, Nederlands, Русский, हिन्दी, Bahasa Indonesia, اردو, বাংলা, 日本語, 한국어. Warum es anders ist Die meisten Rechnungsprogramme verlangen ein Monatsabonnement und Ihre Daten auf deren Server. Dieses hier ist ein Einmal-Kauf, der vollständig offline läuft und Ihre Kunden- und Abrechnungsdaten auf Ihrem eigenen Rechner speichert. Voraussetzungen - Android: jedes moderne Smartphone. - Windows: Windows 10/11 (64-Bit). Keine Installation nötig. - Web/Tablet: jeder moderne Browser (Chrome, Edge, Safari, Firefox). Nach dem Kauf erhalten Sie eine kurze, klare Installationsanleitung (auch enthalten als `READ-ME-FIRST.txt`).