Comparison

Calculator # vs Calculator M+

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

Head to head
About

Calculator #

This multi-function calculator offers basic to advanced scientific and algebraic computations. It includes features like handwriting recognition, equation solvers, and 2D graphing, making it suitable for students and professionals. In-app purchases unlock advanced capabilities.

Highlights
  • Math Photos Solver
  • Handwriting Recognition
  • AI Math Problem Solver
  • Mathematical Display
  • Equation Solvers
  • 2D Graphing
  • Algebraic Functions
Features
Read full description

◉ Over 11,000,000 Downloads Worldwide ◉ Top Free Utilities Apps in US, UK, AUS, CAN, GER,... ◉ Rated & Reviewed on ILoveFreeSoftware.com FREE Alternative to Graphing TI-83, TI-84, TI-89, Casio FX, Sharp EL,... Calculator # – The free, multi-function calculator for iPhone/iPad is proud to offer a variety of features to satisfy wide ranges of customers: The App possesses a powerful math core and algebra engine with mathematical display support, making it a viable tool for everyone from those looking for basic calculation to more advanced users, such as scientific computation, engineers, and math students. Calculator # makes available everything you need – including a user manual and tutorial video clips – so you can master the app in a matter of minutes! ◉ Official Website: http://iPhoneCalculator.com ◉ ADVANCED FEATURES: ▸ Math Photos Solver * ▸ Handwriting Recognition * ▸ Math Problem Solver (AI) * ◉ GENERAL FEATURES: ▸ Universal Calculator App ▸ Support All the Latest Devices ¹ ▸ Support Multitasking (iPad) ▸ Support Wireless KB ² ▸ Mathematical Display ▸ Edit & Export Expression/Result ▸ History Tape View ▸ Basic Calculations (+, -, x, ÷, %, Abs,...) ▸ Advanced Functions (Sin,Cos,Ln,X!, ^, √,…) ▸ 14 Memory Variables (Including X,Y,Z,M) ▸ Assignment Operator ▸ F(x) Customize Functions (F1 Only) ▸ Fraction and Degree/Angle Calculation ▸ Numeric Integral Calculation ▸ Dual Skins (Silver Light & Carbon+) ◉ ALGEBRA FEATURES: ▸ Big Integer & Rational Number (Up to 30!) ▸ Expand and Factor Polynomials ▸ Basic Indefinite integral ◉ EQUATIONS SOLVERS: ▸ Quadratic Equations ▸ System of Linear Equations (2 Unknowns) ◉ 2D GRAPH: ▸ Snap to Points ▸ Smooth Zoom & Transformation ▸ Support F(X,Y) = 0. E.g. Sin(X) + Cos(Y) = 0. ◉ MULTIPLE LANGUAGES: ▸ English, Spanish, German, ▸ French, Japanese, Chinese (*) In-App-Purchase is required ¹: Include iPhone 6/6S+ HD Retina Display ²: Standard English KB We love your feedback, Thanks a lot ! Terms of Service: https://iphonecalculator.com/terms-of-service/

About

Calculator M+

Perform a wide range of calculations, from basic arithmetic to complex scientific functions. This app offers memory storage, calculation history, and cross-platform support. It includes features like dark mode and Apple Pencil integration for enhanced usability.

Highlights
  • Scientific calculations
  • Memory storage
  • Calculation history
  • Cross-platform support
  • Dark mode
  • Apple Pencil support
Features
Read full description

Introducing Calculator M+, the most powerful and versatile calculator app on the App Store. With a sleek and intuitive interface, Calculator M+ makes it easy to perform complex calculations with ease. But that's not all - Calculator M+ also includes powerful memory and history features to help you keep track of your calculations. Use the memory function to store and recall values, and the history function to review your calculation history. Whether you're a student, professional, or just someone who needs a powerful calculator, Calculator M+ has you covered. Download Calculator M+ now and experience the power of the best calculator app on the App Store. FEATURES - Cross-Platform support! It works on Mac, iPad, and iPhone devices supporting all available sizes - Multi-tasking and landscape support for iPad - Dark-mode support - Simple math calculations - Scientific calculations; sin, cos, tan, tan-1, log2, log10, ln, e, rand, deg, π, ײ, √×, ׳, ³√×, x!, 1/×, |×|, %, 2^× - Memory: It stores your calculation results so that you can use them in another calculation. - Simple to use main features with scrolling keyboard - Calculates in realtime as you type - Displays concurrently, both the result and calculation process - Sounds and haptic feedback PRO-FEATURES - History functionality; it keeps your calculation history, which you can review later, or re-use previous results in your new calculations - Always dark-mode option - Apple Pencil support! Just write it to calculate - Monospace font option - Light app icon option Pro features are available for all of your devices with an annual subscription. Your feedback and suggestions would be greatly appreciated. Please reach us at support@innovationbox.com Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy policy: https://innovationbox.com/calculator/privacy-policy.html

Screenshots

Calculator #4 screens
Calculator M+4 screens

Verdict

The call

The clearest difference is ads: Calculator M+ at none against Calculator #'s shown. Calculator M+ also leads on update cadence (fortnightly vs every 2 months). Calculator #'s advantage is ratings volume (36K vs 110). On price, rating, review sentiment 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. Calculator # sells 6 in-app purchases, starting at $1.49 per month and Calculator M+ sells 1 in-app purchase, starting at $6.99 per year. 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 # against 4.5 for Calculator M+. That said, the two scores are not equally well evidenced: Calculator # has 36K ratings behind it against 110, so its average is the more settled of the two. Written reviews are what separate them: 60% of Calculator #'s written reviews are positive against 64% of Calculator M+'s.

UpkeepUpdate frequency

Calculator # ships an update every 2 months, Calculator M+ fortnightly. The most recent releases landed on September 28, 2026 and September 22, 2026 respectively.

Scorecard3 real differences · 7 level
Calculator # versus Calculator M+: the parameters behind the verdict, then further details
ParameterCalculator #Calculator M+
PriceFreeFree
Rating4.6 (36K ratings) — better4.5 (110 ratings)
Positive reviews59.9% of reviews63.6% of reviews — better
Number of ratings36K — better110
Update frequencyEvery 2 monthsFortnightly — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS12.112.0 — better
Further details — not scored
Size57 MB8 MB
Age rating4+4+
DeveloperIncpt.MobisInnovationBox

Customer experience

Calculator #

All ratings35,876 ratings
Positive90.4%
Neutral3.8%
Negative5.8%
Written reviews464 reviews
Positive59.9%
Neutral6.5%
Negative33.6%

Calculator M+

All ratings110 ratings
Positive85.5%
Neutral6.4%
Negative8.2%
Written reviews11 reviews
Positive63.6%
Neutral9.1%
Negative27.3%

Bugs and requests

Calculator #

Reported bugs

3 issues
  • Crashes when trying to use certain functions
  • Handwriting recognition not working reliably
  • Inability to input negative numbers

Requested features

3 requests
  • Add option to turn off animation
  • Improve ad placement to avoid obstructing usage
  • Provide more transparency on paid features

Calculator M+

Not enough reviews yet to summarise bugs or requests.

In-app purchases

6 purchases

Calculator #

Subscriptions4
  • PRO Upgrade 1 Month3 Days trial$1.491 Month
  • PRO Upgrade 3 Months7 Days trial$2.993 Months
  • PRO + Recognition 1 Month$4.991 Month
Show 1 more
  • PRO + Recognition 3 Months$11.993 Months
One-time2
  • 250 AI Recognition & Queries$0.99
  • 600 AI Recognition & Queries$1.99
1 purchases

Calculator M+

Subscriptions1
  • Calculator M+ Pro Annual$6.991 Year

Questions

Is Calculator # free?
Calculator # is free to download, with in-app purchases available.
Is Calculator M+ free?
Calculator M+ is free to download, with in-app purchases available.
Which has better reviews, Calculator # or Calculator M+?
Calculator # is rated higher. Calculator # averages 4.6 out of 5 from 36K ratings, while Calculator M+ averages 4.5 from 110 ratings.
Do Calculator # or Calculator M+ have ads?
Calculator # shows ads; Calculator M+ does not.
Which is updated more often, Calculator # or Calculator M+?
Calculator # ships an update every 2 months, and Calculator M+ fortnightly. Most recently, Calculator # was updated on September 28, 2026 and Calculator M+ on September 22, 2026.

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