Rapid & Quick Calculator vs PieceCalc Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Rapid & Quick Calculator
A user-friendly calculator with essential functions and advanced features like tax and discount calculations. Easily reuse past calculations or edit expressions with intuitive controls. Offers customization options for themes and fonts.
- History Tape for reusing answers
- Sales tax calculations
- Discount calculations
- Precise rounding settings
- Customizable themes and fonts
- Editable expressions with cursor keys
- Share expressions and answers
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Over 300,000 downloads worldwide! A fast, friendly calculator built for everyday use — shopping, splitting bills, household budgeting, and more. FEATURES * History Tape — review your past calculations and reuse any answer with a single tap * Expression Input — type the whole equation, just like you'd write it on paper * Sales Tax — toggle tax-included/excluded with a single button; swipe to switch between multiple tax rates * Percentage Discounts — e.g. 100 - 30% = 70 * Precise Rounding Settings * Multiple Color Themes * Multiple Font Sizes and Typefaces * Arrow Keys — move the cursor left or right to edit any part of the expression * Share — send expressions and answers to other apps * iPad Support — including Slide Over and Split View on supported devices * Sound Effects To reuse or edit an equation from your history, swipe left on it (or touch and hold) to open the menu. We'd love to hear your feedback! This is the free version. A paid version is also available — it removes ads and offers four tax keys (the free version has two).
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
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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 in-app purchases: Rapid & Quick Calculator at none against PieceCalc Calculator's 3. Rapid & Quick Calculator also leads on ratings volume (1.5K vs 1). PieceCalc Calculator's advantage is update cadence (weekly vs every 5 months) and rating (5.0 vs 4.8). On price, 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
Both are free to download. PieceCalc Calculator sells 3 one-off in-app purchases. Rapid & Quick Calculator asks for nothing beyond the download.
PieceCalc Calculator holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Rapid & Quick Calculator has 1.5K ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 91% of Rapid & Quick Calculator's written reviews are positive against 85% of PieceCalc Calculator's, so the app with the better star average is not the one people write more warmly about.
Rapid & Quick Calculator ships an update every 5 months, PieceCalc Calculator weekly. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.
| Parameter | Rapid & Quick Calculator | PieceCalc Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (1.5K ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 90.5% of reviews — better | 85.0% of reviews |
| Number of ratings | 1.5K — better | 1 |
| Update frequency | Every 5 months | Weekly — better |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 11.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 61 MB |
| Age rating | 4+ | 4+ |
| Developer | KinkumaDesign | 秀丽 周 |
Customer experience
Rapid & Quick Calculator
PieceCalc Calculator
In-app purchases
Rapid & Quick Calculator
No in-app purchases
PieceCalc Calculator
- Permanent privileges$3.99
- Permanent membership activity$6.99
- permanent member$9.99
Questions
Is Rapid & Quick Calculator free?
Is PieceCalc Calculator free?
Which has better reviews, Rapid & Quick Calculator or PieceCalc Calculator?
Do Rapid & Quick Calculator or PieceCalc Calculator have ads?
Which is updated more often, Rapid & Quick Calculator or PieceCalc Calculator?
Other comparisons
