Calculator X vs PieceCalc Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator X
This app offers a smart calculator experience across iPad, iPhone, and Apple Watch. It features a history of calculations, the ability to edit equations, and a convenient dark mode. Easily share your results and enjoy enhanced productivity with its user-friendly interface.
- Basic & Easy to Use
- History of Calculations
- Edit Equation
- Memory Last Calculation
- Dark Mode
- Drag and Drop
- Split View
Read full descriptionHide full description
Calculator app for iPad, iPhone and Apple Watch is a free app with extended features that increases your productivity! Download now and join the club of users impressed by the product! WHY YOU’LL LOVE CALCULATOR • Basic & Easy to Use Calculator app on iPad, iPhone and Apple Watch • History of Calculations: Save, Copy & Share • Edit Equation • Memory Last Calculation • Dark Mode • iPad, iPhone and Apple Watch Support • Drag and Drop • Split View EDIT EQUATION DURING CALCULATION You can edit numbers anytime during calculation process. DARK MODE Switch to Dark mode and enjoy the design! The dark mode protects eyes from bright colors, saves battery power and helps you focusing better. SHARE YOUR CALCULATIONS Having a great result with your calculation? Save time and send to your contacts fast & simple by sharing with calculator. WE LOVE FEEDBACK We always appreciate your feedback. Please keep sharing your experience, bugs and ideas to calculator.feedback@otrofy.com Enjoying Calculator and want more features? Please show us some love by giving a 5 star review, so we can keep updating with great new features! START CALCULATING TODAY Terms of Use: https://otrofy.com/terms.pdf Privacy Policy: http://otrofy.com/calculator-privacy.pdf
PieceCalc Calculator
This tool simplifies work-related calculations with a comprehensive recording of the process. It offers enhanced features like real units and thousandths display, ensuring accuracy and efficiency for users on iPads and iPhones.
- Complete calculation process recording
- iPad compatibility
- Real unit support
- Thousandths display
- Efficient work calculations
Read full descriptionHide full description
Piece calculator makes calculations more efficient. Piece calculator is a commonly used calculation tool in work and life. Function: - Complete recording of the calculation process without loss - Perfect compatibility with iPad - More quick and small features: real units, display of thousandths, and more. - Come and experience it now.
Screenshots
Verdict
The clearest difference is rating: PieceCalc Calculator at 5.0 against Calculator X's 4.6. PieceCalc Calculator also leads on update cadence (weekly vs every 3 weeks) and iOS requirement (11.0 vs 14.0). Calculator X's advantage is ratings volume (6.2K vs 1). On price, 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
Both are free to download. Calculator X sells 2 in-app purchases, starting at $9.99 per 6 months and PieceCalc Calculator sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
PieceCalc Calculator holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Calculator X has 6.2K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 76% of Calculator X's written reviews are positive against 84% of PieceCalc Calculator's.
Calculator X ships an update every 3 weeks, PieceCalc Calculator weekly. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.
| Parameter | Calculator X | PieceCalc Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (6.2K ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 76.2% of reviews | 84.0% of reviews — better |
| Number of ratings | 6.2K — better | 1 |
| Update frequency | Every 3 weeks | Weekly — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 188 MB | 61 MB |
| Age rating | 4+ | 4+ |
| Developer | Otrofy Inc. | 秀丽 周 |
Customer experience
Calculator X
PieceCalc Calculator
Bugs and requests
Calculator X
Reported bugs
3 issues- Calculation history clearing issues
- Dark mode not working properly
- Compatibility problems on older devices
Requested features
4 requests- More color theme options
- Ability to edit/restore calculation history
- Percentage and scientific calculator functions
- Customizable fonts and layouts
PieceCalc Calculator
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Calculator X
- Calculator Premium1 Month trial$9.996 Months
- Gold Support$6.99
PieceCalc Calculator
- Permanent privileges$3.99
- Permanent membership activity$6.99
- permanent member$9.99
Questions
Is Calculator X free?
Is PieceCalc Calculator free?
Which has better reviews, Calculator X or PieceCalc Calculator?
Do Calculator X or PieceCalc Calculator have ads?
Which is updated more often, Calculator X or PieceCalc Calculator?
Other comparisons
