Comparison

MaxiCalc Free vs Calculator ⁺⁻

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

Head to head
About

MaxiCalc Free

This app offers a realistic calculator experience with a retro LCD design and unique sounds. It provides both basic and scientific functions, with features like multi-memory, paper tape history, and AirPrint compatibility for easy sharing and printing of calculations.

Highlights
  • Realistic retro LCD interface and sounds
  • Portrait mode for basic calculations
  • Landscape mode for scientific functions
  • Multi-memory slots
  • Multiple paper tapes for history
  • AirPrint and email calculation sharing
Features
Read full description

MaxiCalc is like touching a real calculator: response is instantaneous, visuals are crystal sharp and the sounds are truly unique. It simply feels right. It is as easy as a pocket calculator, but much more powerful: multi memory, multi history paper-tape and big buttons. The search for the perfect calculator is over. In portrait mode, you have a calculator fully focused on basic arithmetic operations - with big easy-to-read and impossible-to-miss buttons. In landscape mode, you have a robust calculator with a comprehensive set of scientific functions and tapes for keeping track of your work - everything in one single screen. Also, you can print your calculations with AirPrint technology or email them to friends or colleagues. Use of memory is dead simple too - always see what you have stored on the memory slots, and for using one value, just tap on it. FEATURES: • Incredibly responsive and graphics detailed interface & realistic sounds • Two modes of operation: portrait for basic calculations or go scientific with all features in landscape • Never lose track of what you've entered using multiple tapes. • Memory slots to help you out with more complex calculations • Copy and paste numbers from or into display • Stateful: you can always be sure that you will get back where you left off • Trigonometric functions in degrees and radians • Print your calculations with AirPrint technology • Email your calculations to friends or colleagues • Breathtaking Retina Display graphics MATHEMATIC FUNCTIONS: • Basic: percentage, square, y-th power, factorial, logarithm base 10-e-2, reciprocal, square root, y-th root, power of 10-e-2 • Trigonometry: sine, reverse sine, cosine, reverse cosine, tangent, reverse tangent, hyperbolic sine, reverse hyperbolic sine, hyperbolic cosine, reverse hyperbolic cosine, hyperbolic tangent, reverse hyperbolic tangent For tips, updates and sparing doubts, follow us: On Twitter: http://twitter.com/maxicalc On Facebook: http://www.facebook.com/Maxicalc We appreciate your care by reporting any bug, sending suggestions or requesting features. Feedback is very important to us - we read all of them. Reach us at: support@maxicalc.com

About

Calculator ⁺⁻

This app offers both basic and scientific calculation functions for iPhone and iPad. Users can customize its appearance, view calculation history, and perform complex equations with high accuracy. It also provides real-time calculation display and adjustable touch feedback.

Highlights
  • Basic and scientific calculator modes
  • Over 30 scientific operations
  • Calculation history view
  • Real-time calculation display
  • Customizable color themes
  • Adjustable button touch sound/vibration
  • High accuracy calculations (75+ significant digits)
Features
Read full description

Calculator for iPad and iPhone is an easy to use that includes both a standard and scientific calculator. Calculator app allows you to: • Customize the look of the application by changing the color • Choose between a basic calculator or scientific calculator with more than 30 scientific operations • View history of your calculations on the History Tab • View an equation of your current calculations • Calculate with accuracy to more than 75 significant digits • Use parenthesis and nested parenthesis in your calculations • Change button touch sound with vibration • Displays real time calculation

Screenshots

Calculator ⁺⁻4 screens

Verdict

The call

The clearest difference is ads: MaxiCalc Free at none against Calculator ⁺⁻'s shown. MaxiCalc Free also leads on review sentiment (83% vs 50%) and update cadence (every 3 months vs every 15 months). Calculator ⁺⁻'s advantage is device support (3 vs 1). On price, rating and in-app purchases 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

On the App Store both sit at effectively the same score — 4.6 for MaxiCalc Free against 4.7 for Calculator ⁺⁻. Both are backed by a comparable volume of ratings — 165 and 42 respectively. Written reviews are what separate them: 83% of MaxiCalc Free's written reviews are positive against 50% of Calculator ⁺⁻'s.

UpkeepUpdate frequency

MaxiCalc Free ships an update every 3 months, Calculator ⁺⁻ every 15 months. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

Scorecard7 real differences · 3 level
MaxiCalc Free versus Calculator ⁺⁻: the parameters behind the verdict, then further details
ParameterMaxiCalc FreeCalculator ⁺⁻
PriceFreeFree
Rating4.6 (165 ratings)4.7 (42 ratings) — better
Positive reviews83.0% of reviews — better50.0% of reviews
Number of ratings165 — better42
Update frequencyEvery 3 months — betterEvery 15 months
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPadiPhone, iPad, iPod — better
Requires iOS9.0 — better15.0
Further details — not scored
Size36 MB4 MB
Age rating4+4+
DeveloperFernando SciessereMatrix Software Co.

Customer experience

MaxiCalc Free

All ratings150 ratings
Positive94.0%
Neutral1.3%
Negative4.7%
Written reviews112 reviews
Positive83.0%
Neutral3.6%
Negative13.4%

Calculator ⁺⁻

All ratings42 ratings
Positive90.5%
Neutral7.1%
Negative2.4%
Written reviews2 reviews
Positive50.0%
Neutral50.0%
Negative0.0%

Bugs and requests

MaxiCalc Free

Reported bugs

9 issues
  • App freezes for first 5 seconds on launch
  • Landscape mode buttons unresponsive
  • Landscape mode hides paper tape image
  • Incorrect totals on iPad 3
  • No clear function on iPad 3
Show 4 more
  • Ad appears when deleting tape entries
  • Paid Pro version no longer available on App Store
  • Family sharing not working as advertised
  • Cannot install on multiple devices with same iCloud account

Requested features

8 requests
  • iPhone version of the app
  • Ability to add text comments on tape
  • Subtle click sounds instead of full adding machine sounds
  • Business/accounting functions
  • Better landscape mode support
Show 3 more
  • Print button for WiFi printers
  • Calculator support/accessibility features
  • Option to turn off specific sound effects

Calculator ⁺⁻

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

MaxiCalc Free

No in-app purchases

None

Calculator ⁺⁻

No in-app purchases

Questions

Is MaxiCalc Free free?
MaxiCalc Free is free to download, with no in-app purchases.
Is Calculator ⁺⁻ free?
Calculator ⁺⁻ is free to download, with no in-app purchases.
Which has better reviews, MaxiCalc Free or Calculator ⁺⁻?
Calculator ⁺⁻ is rated higher. MaxiCalc Free averages 4.6 out of 5 from 165 ratings, while Calculator ⁺⁻ averages 4.7 from 42 ratings.
Do MaxiCalc Free or Calculator ⁺⁻ have ads?
Calculator ⁺⁻ shows ads; MaxiCalc Free does not.
Which is updated more often, MaxiCalc Free or Calculator ⁺⁻?
MaxiCalc Free ships an update every 3 months, and Calculator ⁺⁻ every 15 months. Most recently, MaxiCalc Free was updated on October 21, 2026 and Calculator ⁺⁻ on October 24, 2026.

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