Comparison

Calculator HD for iPad. vs Calculator Sharp

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Calculator HD for iPad.

This app provides a powerful and beautifully designed calculator experience for your iPad. It offers both basic and scientific functions, with customizable skins and a history log for your calculations. Enjoy a familiar interface with enhanced features.

Highlights
  • Live voice calculator
  • Basic and scientific modes
  • Calculation history
  • Customizable skins
  • Display of calculation steps
  • Dark Mode support
Features
Read full description

***** The No.1 iPad Calculator ***** This imitation of the original iPhone calculator lets you have the same calculator on both your iPad and iPhone, FEATURES: * Live voice calculator * Basic calculation function in portrait view * Scientific mode in landscape view * Two meticulously-produced skins * Keyboard layout that changes with usage frequency * Super-sized "+" key for ease of use * Display of calculation steps * Beautiful design * Full support for Retina display * Work same as original calculator * More functions soon to be announced * Support Dark Mode Are you worried that the iPad doesn't come with a calculator? Concerned that free replacement products are ugly? Then hurry up and download our beautifully designed iPad calculator. This is just the beginning: in later releases we will continue to add new functions. Don't forget to rate us! Development Plan * Backspace button (already added) * More beautiful interface (addition of another skin) * Calculation history (already added) * Even more functions This is the BEST iPad calculator you can not miss. Calculator... URL scheme is "EWCalculator://"

About

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.

Highlights
  • Ultra-high precision (37 digits)
  • Supports complex mathematical operations
  • Displays calculation steps
  • Undo and redo functionality
  • Multiple number base conversions
  • WYSIWYG interface
Features
Read full description

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

Screenshots

Calculator Sharp2 screens

Verdict

The call

The clearest difference is rating: Calculator Sharp at 5.0 against Calculator HD for iPad.'s 4.3. Calculator Sharp also leads on in-app purchases (none vs 1) and review sentiment (94% vs 83%). Calculator HD for iPad.'s advantage is update cadence (every 2 months vs every 5 months) and ratings volume (41 vs 5). On price, ads and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Calculator HD for iPad. sells 1 one-off in-app purchase. Calculator Sharp asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Calculator Sharp holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Calculator HD for iPad. has 41 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 83% of Calculator HD for iPad.'s written reviews are positive against 94% of Calculator Sharp's.

UpkeepUpdate frequency

Calculator HD for iPad. ships an update every 2 months, Calculator Sharp every 5 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

Scorecard7 real differences · 3 level
Calculator HD for iPad. versus Calculator Sharp: the parameters behind the verdict, then further details
ParameterCalculator HD for iPad.Calculator Sharp
PriceFreeFree
Rating4.3 (41 ratings)5.0 (5 ratings) — better
Positive reviews83.4% of reviews93.8% of reviews — better
Number of ratings41 — better5
Update frequencyEvery 2 months — betterEvery 5 months
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPadiPhone, iPad, iPod — better
Requires iOS13.012.0 — better
Further details — not scored
Size100 MB31 MB
Age rating4+4+
Developer良峰 侯锦文 游

Customer experience

Calculator HD for iPad.

All ratings41 ratings
Positive82.9%
Neutral4.9%
Negative12.2%
Written reviews453 reviews
Positive83.4%
Neutral2.9%
Negative13.7%

Calculator Sharp

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews16 reviews
Positive93.8%
Neutral0.0%
Negative6.3%

Bugs and requests

Calculator HD for iPad.

Reported bugs

8 issues
  • App crashes after update
  • Calculation errors (e.g., 3^2 - 2^2 = 49, 2^4=4)
  • Ad banner is intrusive and distracting
  • Paid app still shows ads
  • Slow to open/load
Show 3 more
  • App crashes on iPad 1
  • Language not as described (German missing)
  • Missing algebraic functions

Requested features

6 requests
  • Remove ad banner
  • Add German language support
  • Improve calculation accuracy for complex functions
  • Make an ad-free version available
  • Add Binary, Octal, Decimal, and Hexadecimal interconversions
Show 1 more
  • Update for iOS 7

Calculator Sharp

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Calculator HD for iPad.

One-time1
  • Remove Ads$1.99
None

Calculator Sharp

No in-app purchases

Questions

Is Calculator HD for iPad. free?
Calculator HD for iPad. is free to download, with in-app purchases available.
Is Calculator Sharp free?
Calculator Sharp is free to download, with no in-app purchases.
Which has better reviews, Calculator HD for iPad. or Calculator Sharp?
Calculator Sharp is rated higher. Calculator HD for iPad. averages 4.3 out of 5 from 41 ratings, while Calculator Sharp averages 5.0 from 5 ratings.
Do Calculator HD for iPad. or Calculator Sharp have ads?
Both Calculator HD for iPad. and Calculator Sharp show ads.
Which is updated more often, Calculator HD for iPad. or Calculator Sharp?
Calculator HD for iPad. ships an update every 2 months, and Calculator Sharp every 5 months. Most recently, Calculator HD for iPad. was updated on October 23, 2026 and Calculator Sharp on October 24, 2026.

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