Calzy vs Uno Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calzy
This app offers a modern and intuitive way to perform everyday calculations. It features a unique Memory Area for reusing values, bookmarking for saved calculations, and leverages the latest iOS technologies for a seamless experience. Designed with privacy in mind, it's suitable for students and professionals alike.
- Memory Area for reusing values
- Calculation bookmarking with titles
- Basic and advanced calculation modes
- Privacy mode with Face ID
- Live Activity and Haptic Touch support
- Customizable keypad layout
- Dark and Light modes
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Make your day-to-day calculations quick, easy, and beautiful with Calzy. Whether you're a student, professional, or just looking for a better way to manage your everyday math, Calzy is the perfect solution. With its advanced features and gorgeous design, Calzy will quickly become your go-to calculator. One of its standout features is the "Memory Area," where you can store and easily reuse multiple numerical values with just a drag and drop. Another one is the bookmarking feature, allowing you to save any calculation with a title for future reference. Using the latest iOS technology, like Live Activity, Drag and Drop, Haptic Touch, Face ID, and more, Calzy makes mathematical problem-solving a seamless experience. And with privacy being our top concern, rest assured your data stays with you. Key Features: • Memory Area for saving and reusing numerical values • Basic and advanced modes • History and Bookmarking with privacy mode (Face ID support) • Clean, modern, and beautiful design • Privacy-conscious app • Multitasking with slide-over and split view for iPad • Haptic Feedback for a more immersive experience • Tax + and Tax - functions • Quick toggle for decimal and currency rounding • Smart parenthesis • Today widget and iMessage extension • Ability to edit keypad layout • Apple Pencil 2 support and external keyboard support • Dynamic type support for enhanced readability • Custom App Icon support for a personalized touch • Universal app for iPhone, Apple Watch, and iPad • Handoff support, start on one device and resume on another • iCloud sync • Dark and Light modes with multiple color accents • Regional support for countries using decimal commas • Instant calculations as you type • Bookmarks are available in the Spotlight search • Universal purchase for all your devices • Family Sharing support • Localized in Chinese, Japanese, French, Italian, Russian and German Powered by the latest iOS technology, Calzy is the calculator for the new age.
Uno Calculator
This app offers a comprehensive suite of calculation tools, handling everything from basic arithmetic to complex unit conversions. It supports measurements for size, temperature, speed, energy, and currency, making it a versatile solution for diverse needs.
- Arithmetic calculations
- Unit conversions
- Size measurements
- Temperature conversions
- Speed calculations
- Energy calculations
- Currency exchange
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The powerful Uno Calculator receives a makeover from Uno Platform with a wide variety of features. From calculations to measurements of size, temperature, speed, energy, currency and more, the calculator is a powerful one-stop-shop for all calculation-related needs.
Screenshots
Verdict
The clearest difference is price: Uno Calculator at Free against Calzy's $1.99. Uno Calculator also leads on in-app purchases (none vs 3) and iOS requirement (14.2 vs 26.0). Calzy's advantage is update cadence (every 2 days vs every 5 months) and ratings volume (1.9K vs 113). On rating, review sentiment, ads and device support 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
Uno Calculator is free to download; Calzy costs $1.99 up front. Calzy sells 3 one-off in-app purchases. Uno Calculator asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.7 for Calzy against 4.6 for Uno Calculator. That said, the two scores are not equally well evidenced: Calzy has 1.9K ratings behind it against 113, so its average is the more settled of the two. Written reviews are what separate them: 77% of Calzy's written reviews are positive against 73% of Uno Calculator's.
Calzy ships an update every 2 days, Uno Calculator every 5 months. The most recent releases landed on October 17, 2026 and October 7, 2026 respectively.
| Parameter | Calzy | Uno Calculator |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 4.7 (1.9K ratings) — better | 4.6 (113 ratings) |
| Positive reviews | 76.6% of reviews — better | 73.2% of reviews |
| Number of ratings | 1.9K — better | 113 |
| Update frequency | Every 2 days — better | Every 5 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Paid | Free — better |
| Best chart rank | #74 — better | — |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 26.0 | 14.2 — better |
| Further details — not scored | ||
| Size | 66 MB | 96 MB |
| Age rating | 4+ | 4+ |
| Developer | Raja Vijayaraman | Uno Platform Inc. |
Customer experience
Calzy
Uno Calculator
Bugs and requests
Calzy
Not enough reviews yet to summarise bugs or requests.
Uno Calculator
Reported bugs
10 issues- Standard calculator mode doesn't follow order of operations (1+2*3 = 9 instead of 7)
- Buttons disappear while using on iPad
- Apple Pencil input causes buttons to blend into background
- Slow key responsiveness on macOS
- Numeric keypad input not recognized from Apple keyboard
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- History not persisting after app closure
- Text rendering issues on larger iPad displays
- Unit conversion errors (volume translated incorrectly in Chinese)
- Slow data entry on macOS Catalina
- Landscape mode layout issues
Requested features
11 requests- Keyboard input support for Mac and iPad (most requested)
- Copy and paste functionality for results and formulas
- Option to reposition calculator buttons to right side
- Ability to hide or collapse history pane
- Persistent history that saves after app closes
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- Sound/click feedback option in settings
- Donation option within the app
- Improved dark mode styling
- Bluetooth keyboard support
- Numeric keypad support for external keyboards
- Currency conversion feature restoration
In-app purchases
Calzy
- Small Tip$0.99
- Medium Tip$3.99
- Huge Tip$9.99
Uno Calculator
No in-app purchases









