Kalkyl vs Numerical³
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Kalkyl
A powerful and intuitive calculator designed for speed and ease of use. Features include collaboration, haptic feedback, and advanced input methods like keyboard trackpad mode. Offers basic graphing and localized number formatting for a seamless user experience.
- Optimized for quick calculations
- Collaborate on documents
- Intuitive design with haptic feedback
- Keyboard trackpad and pointer interactions
- Basic graphing capabilities
- Localized number formatting
- Undo and Redo support
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Kalkyl is just a really good calculator. • Optimized for quick calculations. • Collaborate on documents. • Simple and intuitive design. • Haptic feedback (on supported devices). • Undo and Redo support (shake to Undo). • Keyboard trackpad mode using 3D Touch, or Haptic Touch (on supported devices), or two fingers on iPad. • Pointer interactions on iPad. • Basic graphing. • Properly localized number formatting. • App-wide dynamic type support. • Accessible. Terms of Use: https://kalkyl.io/terms.html
Numerical³
A powerful and beautifully designed calculator app that offers advanced scientific functions, automatic bracket handling, and a unique no-equals button interface. It integrates seamlessly with iOS features like widgets and keyboards for calculations anywhere.
- No equals button interface
- Automatic bracket handling
- Full scientific keypad
- Today Widget integration
- Numerical² Keyboard for any app
- Equation editing
- Customizable themes
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Numerical³ is still the calculator without equal. The first Numerical shipped in 2014—v3 brings long-requested improvements and the same focus on delightful, minimalist utility apps.MAC TOONumerical runs natively on macOS: multiple windows, tabs, resizing, desktop widgets, full keyboard support, and synced history. Download it on the Mac App Store.WIDGETSLock screen and Home Screen widgets—modernized on iPhone and iPad.THEMESBrand-new neo-morphic themes alongside our most popular picks—each with light and dark variants that follow your iOS appearance settings. Use the Theme Picker to preview them all.ICONSTheme Home Screen icons match iOS 26 with glass effects, Dark Mode, and tints.HISTORYYour equations stay visible on screen—above the keyboard on iPhone (portrait) and to the side on iPad and Mac. iCloud keeps history in sync across iPhone, iPad, and Mac.KEYBOARDSExternal keyboards are fully supported on iPhone, iPad, and macOS—including the shortcuts you expect.SOUND FXSounds and clicky feedback on iPhone, iPad, and Mac. Haptics on iPhone.14+ LANGUAGESThe entire app is localized in 14+ languages—including Japanese, Chinese, Korean, and Russian—with international digits and formats. Missing yours? Let us know.Mana Machines—Numerical³ and upcoming apps from a studio focused on delightful, minimal, human-centered utilities. More on the way.Questions or feedback: manamachineventures@gmail.comDeveloped by Andrew J Clark. Designed by Andrew J Clark & Alex Vanderzon.
Screenshots
Verdict
The clearest difference is in-app purchases: Numerical³ at none against Kalkyl's 1. Numerical³ also leads on rating (4.8 vs 4.5) and update cadence (every 2 weeks vs every 5 weeks). Kalkyl's advantage is iOS requirement (15.6 vs 18.0). On price, review sentiment, ratings volume and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Kalkyl sells 1 in-app purchase, starting at $4.99 per year. Numerical³ asks for nothing beyond the download.
Numerical³ holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 714 and 1.3K respectively. Written reviews split almost evenly too, at 75% and 75% positive.
Kalkyl ships an update every 5 weeks, Numerical³ every 2 weeks. The most recent releases landed on September 28, 2026 and October 1, 2026 respectively.
| Parameter | Kalkyl | Numerical³ |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (714 ratings) | 4.8 (1.3K ratings) — better |
| Positive reviews | 74.7% of reviews | 75.4% of reviews — better |
| Number of ratings | 714 | 1.3K — better |
| Update frequency | Every 5 weeks | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium — better | Paid |
| Devices | iPhone, iPad, iPod, Vision Pro — better | iPhone, iPad, Mac |
| Requires iOS | 15.6 — better | 18.0 |
| Further details — not scored | ||
| Size | 4 MB | 113 MB |
| Age rating | 4+ | 4+ |
| Developer | nordic io | Andrew J Clark |
Customer experience
Kalkyl
Numerical³
User reviews
Kalkyl
From 714 App Store ratingsWhat we love
- 🚀 Efficient and fast
- 👍 Intuitive and simple interface
- 🔒 No ads or in-app purchases
- 🎨 Beautiful design
- 🔢 Useful graphing and calculation features
Room to improve
- 🐛 Occasional crashes or bugs
- 💡 Lack of clear/reset button
- 💡 Missing history or memory functions
- 💡 Difficulty controlling graphing view
Numerical³
From 1.3K App Store ratingsWhat we love
- 🚀 Great app
- 👍 Simple and intuitive
- 👍 Clean and beautiful design
- 🚀 Fast and responsive
- 👍 Customizable themes
Room to improve
- 🐛 Bugs and glitches (unresponsive keys, calculation errors)
- 🔍 Lack of advanced functions (scientific, unit conversion)
- 💡 Needs more theme options
- 💡 Needs iPad support
- 💡 Needs widget support
Bugs and requests
Kalkyl
Reported bugs
3 issues- Crashes on launch for some users
- Graphing issues with certain equations
- Incorrect results for some calculations
Requested features
5 requests- Add a clear/reset button
- Implement calculation history and memory functions
- Improve graphing controls and zooming
- Add support for more mathematical functions (e.g. factorials, fractions)
- Provide an option for independent dark mode
Numerical³
Reported bugs
3 issues- Unresponsive keys
- Calculation errors
- Crashes on startup
Requested features
5 requests- Add scientific functions (square root, trigonometry, etc.)
- Implement an equals button
- Add more theme options
- Develop an iPad version
- Bring back widget support
In-app purchases
Kalkyl
- Kalkyl Pro3 Days trial$4.991 Year
Numerical³
No in-app purchases
