About this app
Numby transforms how you calculate. Express math naturally, convert units and currencies, track your work, and share results beautifully - all in one place. What makes Numby special: Calculate Naturally Write "100 USD to EUR" or "5 meters to feet" - no complicated syntax. Numby understands what you mean. Share Anywhere Export calculations as beautiful images, plain text, or shareable web links. Perfect for sharing work with colleagues, posting to social media, or saving for reference. Variables & History Store values, reference them later, and keep a complete history of your calculations. Perfect for complex multi-step problems. 300+ Currencies Real-time conversion for fiat and cryptocurrencies. Rates update automatically and work offline. Unit Conversion Length, distance, and more - convert between units with simple, natural commands. Smart Percentages "20% of 500" or "100 + 15%" - calculate tips, discounts, and taxes effortlessly. File Support Save your calculation sheets as .numby files. Great for budgets, project estimates, or recurring calculations. Multilingual Full support for English, Spanish, Chinese, German, French, Japanese, Russian, and Belarusian. Perfect for: - Quick daily calculations - Financial planning and budgeting - Unit conversions for travel or work - Students and professionals - Sharing calculations with teams - Anyone who wants a smarter calculator Features: • Natural language input • Share as image, text, or web link • Variable storage and reuse • 300+ currency conversions • Automatic currency rate updates • Comprehensive unit conversion • Calculation history • Save and load calculation files • Syntax highlighting • Comment support for notes • Clean, native interface Whether you're calculating tips, converting currencies while traveling, sharing results with your team, or working through complex calculations, Numby makes it simple. No tracking, no data collection. Your calculations stay on your device.
Latest release
What’s New
1. More consistent colors and highlighting across Mac, iPhone, iPad, and Vision Pro. 2. Better support for multi‑line calculations with clearer active‑line focus. 3. Settings feel smoother, with cleaner number‑format and precision controls. 4. Improved performance on larger documents.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 13, 2026 · 1:48 AM $5.99
Screenshots
