Calzy vs Zolvy
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.
Zolvy
This app offers a mobile-friendly way to calculate, organize, and plan with numbers. It automates calculations and updates results instantly when numbers change, simplifying tasks like budgeting and forecasting.
- Instant automated calculations
- Organized sheets with folders
- Log numbers like expenses
- Formulas with variables
- Intuitive formula typing
- iCloud backup
- Export PDFs and CSVs
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Handling math and knowing your numbers are crucial for success — but doing math on mobile has always been limited. Traditional calculator designs are forgetful. Spreadsheets are too clunky for mobile use. Zolvy is a new way to calculate, organize, track, and plan with numbers on your phone. A Zolvy sheet is like a spreadsheet, but mobile-friendly and effortless to use. Type your calculations once — Zolvy automates them instantly. Change any number later, and every linked result updates automatically. You’ll never have to type the same equation twice again. Zolvy also lets you record and track numbers — from expenses and profits to measurements and experiments — all neatly organized and backed up in iCloud. Whether you’re managing a budget, planning a project, tracking measurements, or testing ideas, Zolvy keeps all your numbers in one place. How people are already using Zolvy: • Businesses working out business plans • Dietitians creating nutrition plans for clients • Hobby bakers recording cake mix experiments • Factories building custom calculators • Moms tracking tailoring measurements • People managing monthly expenses and budgets • Lab technicians solving scientific equations • Students keeping formulas ready for quick answers Different needs. One app for all your numbers. Join the growing community of people who Think With Numbers. Key features: • Instant automations you can reuse • Multiple sheets, organized with folders • Record numbers like a log (e.g., measurements or expenses) • Formula Automation — Enter formulas [like: n x (n + 1) / 2] and Zolvy automates them. • Intuitive formula typing with bracketing assistance • iCloud backup • Dark mode • Family Sharing • Export PDFs and CSVs • Share automations with peers Zolvy gives you spreadsheet-level power in a tool made for everyday math. Plan smarter. Track better. Think with numbers. It’s a must-have for every business and profession. Terms of service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy policy: https://www.solutionist.dev/privacy
Screenshots
Verdict
The clearest difference is price: Zolvy at Free against Calzy's $1.99. Calzy's advantage is ratings volume (1.9K vs 29) and update cadence (every 2 days vs every 11 days). On rating, review sentiment, ads and in-app purchases 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
Zolvy is free to download; Calzy costs $1.99 up front. Calzy sells 3 one-off in-app purchases and Zolvy sells 2 in-app purchases, starting at $14.99 per year. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.7 for Calzy against 4.7 for Zolvy. That said, the two scores are not equally well evidenced: Calzy has 1.9K ratings behind it against 29, 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 75% of Zolvy's.
Calzy ships an update every 2 days, Zolvy every 11 days. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | Calzy | Zolvy |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 4.7 (1.9K ratings) — better | 4.7 (29 ratings) |
| Positive reviews | 76.6% of reviews — better | 75.0% of reviews |
| Number of ratings | 1.9K — better | 29 |
| Update frequency | Every 2 days — better | Every 11 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Paid | Freemium — better |
| Best chart rank | #55 — better | — |
| Devices | iPhone, iPad, Apple Watch — better | iPhone |
| Requires iOS | 26.0 | 26.0 |
| Further details — not scored | ||
| Size | 66 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | Raja Vijayaraman | Domnic Francis |
Customer experience
Calzy
Zolvy
In-app purchases
Calzy
- Small Tip$0.99
- Medium Tip$3.99
- Huge Tip$9.99
Zolvy
- Unlimited14 Days trial$14.991 Year
- Unlimited Lifetime$24.99









