Calculator Sharp vs ACalc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator Sharp
This calculator app offers ultra-high precision with up to 37 digits of accuracy. It supports a wide range of complex mathematical functions, including trigonometric, logarithmic, and integral operations, along with step-by-step calculation display and undo/redo functionality.
- Ultra-high precision (37 digits)
- Supports complex mathematical operations
- Displays calculation steps
- Undo and redo functionality
- Multiple number base conversions
- WYSIWYG interface
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Calculator Sharp is a feature-rich, simple and practical operation of text calculator. Calculator tool Features : Ultra-high-precision, The accuracy of commonly calculator is 15, But Calculator Sharp can reach 37 accuracy. WYSIWYG glance. Easy to use, low threshold, for the majority of students and staff to use Support displays the calculated step function Support undo and anti- undo function Support flexible and complex calculations expressions. Specific Features * Support for the basic arithmetic operators * Support exponentiation * Support for radical sign operation * Support for logarithm operations * Support factorial and double factorial operator * Support Permutation and combination * Support trigonometric and inverse trigonometric * Support hyperbolic functions and inverse hyperbolic functions * Support for sum method and average method * Support for the maximum and minimum approach * Support for the greatest common divisor and least common multiple * Support for remainder * Supports integer interception , rounding up and rounding down to rounding methods. * Support random number and range of random numbers * Support summation (Σ) and quadrature (Π) op * Support definite integral (∫) operation * Support convert degrees to radians and radians to degrees operator * Support for binary, octal, decimal, hexadecimal conversion between. * Support degrees (DEG) and radians (RAD) two calculation modes * Support rounded to the decimal digits function * Supports Undo and anti-undo function. * Support the cursor forward and backward functions * Support clear and delete the previous character feature. * Support slide down keyboard and display the calculation steps function. Calculator Sharp for OS X:https://itunes.apple.com/us/app/calc-sharp/id888324648?ls=1&mt=12
ACalc
A straightforward scientific calculator with large, easy-to-use buttons and a clear display. It handles basic arithmetic and advanced functions like trigonometry and exponentials, with memory storage capabilities.
- Basic arithmetic operations
- Trigonometric functions
- Hyperbolic functions
- Exponential functions
- Memory storage (STO/ALPHA)
- Large buttons and display
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This is a super simple scientific calculator with large buttons. It supports addition, subtraction, multiplication and division. Trigonometric, hyperbolic and exponential functions can be used with the click of a button. Features: ◉ Retina display ◉ It supports adding, subtracting, multiplying and dividing ◉ Big buttons ◉ A large display ◉ The mathematical functions you need: sin, cos, log and exp. ◉ Very useful and easy to use In order to store a parameter value, press "STO" and one of the characters: A, B, C, ... To use a stored parameter, press "ALPHA" and one of the characters instead of entering av value. Download this calculator today!
Screenshots
Verdict
The clearest difference is review sentiment: Calculator Sharp at 94% against ACalc's 20%. Calculator Sharp also leads on rating (5.0 vs 4.3) and in-app purchases (none vs 1). ACalc's advantage is ratings volume (82 vs 5). On price, update cadence, 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. ACalc sells 1 one-off in-app purchase. Calculator Sharp asks for nothing beyond the download.
Calculator Sharp holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: ACalc has 82 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 94% of Calculator Sharp's written reviews are positive against 20% of ACalc's.
Calculator Sharp ships an update every 5 months, ACalc every 6 months. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.
| Parameter | Calculator Sharp | ACalc |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) — better | 4.3 (82 ratings) |
| Positive reviews | 93.8% of reviews — better | 19.5% of reviews |
| Number of ratings | 5 | 82 — better |
| Update frequency | Every 5 months — better | Every 6 months |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 31 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | 锦文 游 | Netviking AB |
Customer experience
Calculator Sharp
ACalc
In-app purchases
Calculator Sharp
No in-app purchases
ACalc
- Ad Removal$0.99









