Comparison

synchroCalc 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

synchroCalc

This utility converts numbers between binary, decimal, and hexadecimal formats. It offers adjustable bit sizes and supports various arithmetic and bitwise operations, ideal for developers and engineers.

Highlights
  • Binary, decimal, hexadecimal display
  • Adjustable bit sizes (64/32/16/8-bit)
  • Signed/unsigned number switching
  • 12 arithmetic and bitwise operations
  • Copy/paste functionality
  • Supports iPhone, iPad, and iPod touch
Features
Read full description

synchroCalc is a calculator that display a number in binary, decimal and hexadecimal format. For a Programmer, a Developer, a Engineer, a Coder, and a Hacker. ▼ FEATURES: - Enterable Hex / Dec / Bin numbers. - Adjustable bit sizes: 64 / 32 / 16 / 8 -bit. - Switchable signed / unsigned numbers. - 12 operations: +, -, ×, ÷ / AND, OR, XOR, MOD / Left Shift, Right Shift, NOT, 2's complement. - Designed for the iPhone/iPod touch and iPad. - Option to remove ads.(In-App Purchase) ▼ HOW TO USE: - Tap the Hex/Dec/Bin number of displays that you want to enter. - Tap the bit size button, then change a bit size. Tap the signed button, then toggle a number signed/unsigned. - Long tap the display, then copy/paste the number. - View menu by pull the left side bar. ▼ EXAMPLE: - It's Over 0x2328!!

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

synchroCalc4 screens
HiPER Scientific Calculator4 screens

Verdict

The call

The clearest difference is ads: synchroCalc at none against HiPER Scientific Calculator's shown. synchroCalc also leads on rating (5.0 vs 4.7) and iOS requirement (8.0 vs 15.0). HiPER Scientific Calculator's advantage is update cadence (every 3 weeks vs every 4 months) and ratings volume (279 vs 3). On price, in-app purchases, monetization model 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. synchroCalc sells 1 one-off in-app purchase 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

synchroCalc holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: HiPER Scientific Calculator has 279 ratings behind it against 3, so its average is the more settled of the two. Written reviews complicate that: 71% of synchroCalc's written reviews are positive against 83% of HiPER Scientific Calculator's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

synchroCalc ships an update every 4 months, HiPER Scientific Calculator every 3 weeks. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

Scorecard6 real differences · 4 level
synchroCalc versus HiPER Scientific Calculator: the parameters behind the verdict, then further details
ParametersynchroCalcHiPER Scientific Calculator
PriceFreeFree
Rating5.0 (3 ratings) — better4.7 (279 ratings)
Positive reviews70.6% of reviews82.8% of reviews — better
Number of ratings3279 — better
Update frequencyEvery 4 monthsEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better15.0
Further details — not scored
Size27 MB35 MB
Age rating4+4+
DeveloperAkeome StudioJindrich Houska

Customer experience

synchroCalc

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews17 reviews
Positive70.6%
Neutral5.9%
Negative23.5%

HiPER Scientific Calculator

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

Bugs and requests

synchroCalc

Not enough reviews yet to summarise bugs or requests.

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

1 purchases

synchroCalc

One-time1
  • Remove Ads & display expression$1.99
2 purchases

HiPER Scientific Calculator

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

Questions

Is synchroCalc free?
synchroCalc 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, synchroCalc or HiPER Scientific Calculator?
synchroCalc is rated higher. synchroCalc averages 5.0 out of 5 from 3 ratings, while HiPER Scientific Calculator averages 4.7 from 279 ratings.
Do synchroCalc or HiPER Scientific Calculator have ads?
HiPER Scientific Calculator shows ads; synchroCalc does not.
Which is updated more often, synchroCalc or HiPER Scientific Calculator?
synchroCalc ships an update every 4 months, and HiPER Scientific Calculator every 3 weeks. Most recently, synchroCalc was updated on November 2, 2026 and HiPER Scientific Calculator on November 7, 2026.

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