Comparison

Calculator +ㅤ vs HiPER Scientific Calculator

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

Head to head
About

Calculator +ㅤ

This app simplifies math with basic, scientific, and fraction calculations. It also features a unique snap-and-scribble function to solve problems from photos. Customize your experience with themes and access a calculation history.

Highlights
  • Snap and Scribble Calculator
  • Basic Calculator
  • Scientific Calculator
  • Fraction Calculator
  • Currency Converter
  • Calculation History
  • Customizable Themes
Features
Read full description

Calculator + App, the simplest way to make Math easy! Whether it's basic, scientific, fractions or even solving a problem you take a picture of. We've got you covered! • Snap and Scribble Calculator (NEW!) • Optimized for iPhone & iPad • Basic Calculator • Scientific Calculator • Fraction Calculator • Currrency Converter • Calculation History • Customize with Themes • Simple & Intuitive Design Introducing Rocket Apps PRO: With Rocket Apps PRO you simply subscribe once and get access to all supported Rocket Apps. The best part: we will keep adding new Apps. SUPPORT Our goal is to build the best apps in the world. You can help us by reporting bugs and requesting features via Email: help@rocketapps.com TERMS & PRIVACY https://rocketapps.com/privacy.html https://rocketapps.com/terms.html SUBSCRIPTION TERMS: The App offers an auto-renewing monthly or yearly subscription to provide you with unlimited access to all PRO Features while you maintain an active subscription. Payment will be charged to the credit card connected to your iTunes Account when you confirm the initial subscription purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24-hours before the end of the current subscription period. Your account will be charged for renewal within 24-hours prior to the end of the current period, and the cost of the renewal will be identified. You may manage your subscription and auto-renewal may be turned off by going to your Account Settings after the purchase. Any unused portion of a free trial period, if offered, will be forfeited when you purchase a subscription, where applicable.

About

HiPER Scientific Calculator

This app offers advanced scientific calculation capabilities, including symbolic algebra, equation solving, and calculus functions. It supports high precision, natural expression input, and various display formats. Users can also visualize functions and equations with 2D and 3D graphing.

Highlights
  • Symbolic algebra
  • Integrals and derivatives
  • High precision calculations
  • Natural expression input
  • 2D and 3D graphing
  • Matrices and vectors
  • Unit conversions
Features
Read full description

Excellent scientific calculator with step-by-step solutions, symbolic algebra, graphing, equations, integrals and derivatives. The calculator has globally more than 50 million downloads and 250 000 five-star ratings. You can write expressions in a natural way and watch your calculations. The result is displayed as a number, simplified expression etc. An expression can also be entered from a photo. Take a picture of a handwritten or printed expression, and the calculator recognizes it and inserts it into the display, ready to be edited or evaluated. (premium) A step-by-step solution shows how an expression is solved, one step at a time, from the entered expression to the final result. Every step is explained, so you can see not only the result, but also the way to it. (more detailed steps are premium) Calculation details give you extended information about the result - alternative forms of the result, all complex roots, the unit circle, properties of a function and more. The calculator has several layouts suitable for various screen sizes: - "pocket" for small devices - "compact" for smartphones (in portrait and landscape orientation) - "expanded" for tablets Users can choose from several high-quality themes. The calculator has many functions, such as: - up to 100 digits of significand and 9 digits of exponent - basic arithmetic operations including percentage, modulo and negation - fractions and mixed numbers - periodic numbers and their conversion to fractions - unlimited number of braces - operator priority - repeated operations - selecting a part of an expression and applying context operations to the selection - equations (with one or more variables, systems of equations) - variables and symbolic computation - derivatives and integrals - graphs of functions, equations, integral area and limits; 3D graphs - matrices and vectors - statistics - regression analysis - complex numbers - conversion between rectangular and polar coordinates - sums and products of series - limits - advanced number operations such as random numbers, combinations, permutations, common greatest divisor, etc. - trigonometric and hyperbolic functions - powers, roots, logarithms, etc. - degrees, minutes and seconds conversion - fixed point, scientific and engineering display format - display exponent as SI units prefix - memory operations with unlimited extended memories - clipboard operations with various clipboard formats - result history - multiline display on tablets showing the complete history of calculations and access to the previous results - binary, octal and hexadecimal numeral systems - logical operations - bitwise shifts and rotations - more than 120 physical and mathematical constants - conversion among 250 units - Reverse Polish notation. The calculator has many settings to manage the calculation precision, decimal and thousand separators, etc. All features are described with a built-in help. Privacy Policy: https://hiperlabs.eu/privacy-policy/iOS.html Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Calculator +ㅤ4 screens
HiPER Scientific Calculator4 screens

Verdict

The call

The clearest difference is monetization model: HiPER Scientific Calculator at free with in-app purchases against Calculator +ㅤ's subscription. HiPER Scientific Calculator also leads on review sentiment (83% vs 47%). Calculator +ㅤ's advantage is ratings volume (4.6K vs 279). On price, rating, update cadence and ads 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 +ㅤ sells 6 in-app purchases, starting at $2.99 per 7 days and HiPER Scientific Calculator sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for Calculator +ㅤ against 4.7 for HiPER Scientific Calculator. That said, the two scores are not equally well evidenced: Calculator +ㅤ has 4.6K ratings behind it against 279, so its average is the more settled of the two. Written reviews are what separate them: 47% of Calculator +ㅤ's written reviews are positive against 83% of HiPER Scientific Calculator's.

UpkeepUpdate frequency

Calculator +ㅤ ships an update fortnightly, HiPER Scientific Calculator every 3 weeks. Both last shipped on November 7, 2026.

Scorecard3 real differences · 7 level
Calculator +ㅤ versus HiPER Scientific Calculator: the parameters behind the verdict, then further details
ParameterCalculator +ㅤHiPER Scientific Calculator
PriceFreeFree
Rating4.6 (4.6K ratings)4.7 (279 ratings) — better
Positive reviews46.7% of reviews82.8% of reviews — better
Number of ratings4.6K — better279
Update frequencyFortnightly — betterEvery 3 weeks
AdsYesYes
In-app purchasesYesYes
MonetizationSubscriptionFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size55 MB35 MB
Age rating4+4+
DeveloperRocket Apps GmbHJindrich Houska

Customer experience

Calculator +ㅤ

All ratings4,564 ratings
Positive89.8%
Neutral3.6%
Negative6.6%
Written reviews137 reviews
Positive46.7%
Neutral8.0%
Negative45.3%

HiPER Scientific Calculator

All ratings274 ratings
Positive93.4%
Neutral2.6%
Negative4.0%
Written reviews64 reviews
Positive82.8%
Neutral9.4%
Negative7.8%

User reviews

Calculator +ㅤ

From 4.6K App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Accurate calculations
  • 🎨 Excellent visuals
  • 💡 Helpful for academic work

Room to improve

  • 💰 Subscription model too expensive
  • 🔍 Decimal entry quirks
  • 📺 Too many ads
  • 🔒 Locked features behind paywall

HiPER Scientific Calculator

From 279 App Store ratings

What we love

  • 👍 Excellent functionality for technical users
  • 💡 Custom functions for non-trivial calculations
  • 👍 Great expression screen, easy to navigate
  • 👍 Accurate and intuitive UI
  • 👍 Remains the best after years of use

Room to improve

  • 🐛 Keyboard unresponsive at times
  • 🐛 Ads in paid version
  • 🐛 iOS version lacks RPN mode
  • 🐛 iOS version lacks themes
  • 🐛 iOS version lacks custom functions

Bugs and requests

Calculator +ㅤ

Reported bugs

3 issues
  • Inaccurate square root calculations
  • Compatibility issues on iPad
  • Decimal point not recognized

Requested features

4 requests
  • Negative number support
  • Improved fraction calculator
  • Scientific calculator layout
  • Option to disable history feature

HiPER Scientific Calculator

Reported bugs

5 issues
  • Keyboard unresponsive in multiple occasions
  • App freezes when entering numbers
  • Failed upgrade workflow message
  • App offers paid upgrade after purchase
  • White text unreadable on dark background in iOS settings

Requested features

15 requests
  • Allow custom infix operations
  • Add widget support
  • Add RPN mode to iOS version
  • Add themes to iOS version
  • Add custom functions to iOS version
Show 10 more
  • Add more variables to iOS version
  • Support vertical view on iPad
  • Add custom fonts and skins
  • Add portrait layout for iPad
  • Add dedicated ENG mode button
  • Add dark mode and themes to iOS
  • Add button feedback on iOS
  • Add unit conversion feature to iOS
  • Improve statistical calculation interface
  • Allow subscription transfer between platforms

In-app purchases

6 purchases

Calculator +ㅤ

Subscriptions6
  • Rocket Apps PRO Weekly3 Days trial$2.997 Days
  • Rocket Apps PRO Monthly3 Days trial$4.991 Month
  • Rocket Apps PRO Yearly3 Days trial$9.991 Year
Show 3 more
  • Rocket Apps PRO Offer1 Year trial$19.991 Year
  • Rocket Apps PRO Yearly3 Days trial$19.991 Year
  • Rocket Apps PRO Yearly3 Days trial$29.991 Year
2 purchases

HiPER Scientific Calculator

Subscriptions1
  • Pro version$0.991 Month
One-time1
  • Pro Forever$7.99

Questions

Is Calculator +ㅤ free?
Calculator +ㅤ is free to download, with in-app purchases available.
Is HiPER Scientific Calculator free?
HiPER Scientific Calculator is free to download, with in-app purchases available.
Which has better reviews, Calculator +ㅤ or HiPER Scientific Calculator?
HiPER Scientific Calculator is rated higher. Calculator +ㅤ averages 4.6 out of 5 from 4.6K ratings, while HiPER Scientific Calculator averages 4.7 from 279 ratings.
Do Calculator +ㅤ or HiPER Scientific Calculator have ads?
Both Calculator +ㅤ and HiPER Scientific Calculator show ads.
Which is updated more often, Calculator +ㅤ or HiPER Scientific Calculator?
Calculator +ㅤ ships an update fortnightly, and HiPER Scientific Calculator every 3 weeks. Most recently, Calculator +ㅤ was updated on November 7, 2026 and HiPER Scientific Calculator on November 7, 2026.

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