Pocket Unit Converter

Pocket Unit Converter is a fast, offline-first utility built for everyday conversions. Convert values across 11 free categories — length, weight, volume, temperature, area, speed, time, cooking, shoe size, women's clothing, and currency — all without needing an internet connection for most conversions.

Key Features:
- Offline-first: Works without internet for most conversions
- Saved memories: Save your most-used conversions and reopen them in one tap
- Recent history: Quickly access your recent conversions
- Per-category last-used selections: The app remembers your preferred units per category
- Cached currency rates: Fetch exchange rates when online and keep them available offline
- Manual currency refresh: Refresh rates when internet is available
- Backup and restore: Export your app data as JSON and restore it anytime
- Customisable category picker: Choose how categories are displayed
- Privacy-friendly: All app data is stored locally on your device

Pocket Pro (optional one-time upgrade):
- Unlimited saved memories and extended history
- 13 premium categories: Fuel Consumption, Energy, Power, Torque, Flow Rate, Data Size, Electrical Charge, Engineering Pressure, Angle, Frequency, Force, Acceleration, and Data Transfer Rate

Perfect for:
- Travellers needing quick currency and unit conversions
- Home cooks scaling recipes
- DIY and hobby users
- Students working with measurements
- Anyone who wants a clean, lightweight converter without clutter

Notes:
- Currency rates can be refreshed when internet is available
- Last fetched currency data remains available offline
- No account registration required
- No adverts or tracking