Comparison

Calculator∫ 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∫

Perform calculations quickly and accurately with large buttons. Personalize the interface by selecting custom background and text colors. This straightforward utility is designed for intuitive use.

Highlights
  • Large buttons for easy input
  • Accurate calculations
  • Customizable background colors
  • Customizable text colors
  • Intuitive user interface
Features
Read full description

This simple calculator app is designed for ease of use. Quickly and accurately perform calculations with the large buttons. Personalize the calculator by choosing your own colors for the background and text.

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∫2 screens
Calculator Sharp2 screens

Verdict

The call

The clearest difference is ads: Calculator∫ at none against Calculator Sharp's shown. Calculator∫ also leads on update cadence (weekly vs every 5 months) and monetization model (free vs ad-supported). Calculator Sharp's advantage is rating (5.0 vs 4.6) and review sentiment (94% vs 84%). On price, ratings volume, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Calculator Sharp holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 7 and 5 respectively. Written reviews point the same way: 84% of Calculator∫'s written reviews are positive against 94% of Calculator Sharp's.

UpkeepUpdate frequency

Calculator∫ ships an update weekly, Calculator Sharp every 5 months. The most recent releases landed on August 13, 2026 and August 30, 2026 respectively.

Scorecard6 real differences · 4 level
Calculator∫ versus Calculator Sharp: the parameters behind the verdict, then further details
ParameterCalculator∫Calculator Sharp
PriceFreeFree
Rating4.6 (7 ratings)5.0 (5 ratings) — better
Positive reviews83.8% of reviews93.8% of reviews — better
Number of ratings7 — better5
Update frequencyWeekly — betterEvery 5 months
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS4.3 — better12.0
Further details — not scored
Size1 MB31 MB
Age rating4+4+
Developer7th Gear锦文 游

Customer experience

Calculator∫

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews80 reviews
Positive83.8%
Neutral0.0%
Negative16.3%

Calculator Sharp

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

In-app purchases

None

Calculator∫

No in-app purchases

None

Calculator Sharp

No in-app purchases

Questions

Is Calculator∫ free?
Calculator∫ is free to download, with no in-app purchases.
Is Calculator Sharp free?
Calculator Sharp is free to download, with no in-app purchases.
Which has better reviews, Calculator∫ or Calculator Sharp?
Calculator Sharp is rated higher. Calculator∫ averages 4.6 out of 5 from 7 ratings, while Calculator Sharp averages 5.0 from 5 ratings.
Do Calculator∫ or Calculator Sharp have ads?
Calculator Sharp shows ads; Calculator∫ does not.
Which is updated more often, Calculator∫ or Calculator Sharp?
Calculator∫ ships an update weekly, and Calculator Sharp every 5 months. Most recently, Calculator∫ was updated on August 13, 2026 and Calculator Sharp on August 30, 2026.

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