Comparison

Calculator # vs Calculator

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

This app provides a comprehensive calculator experience, filling the gap for a built-in option on iPads. It offers basic, scientific, fraction, programmer, and tip calculations, along with unit and currency conversion. The interface is designed with a modern flat UI, supporting various orientations and multitasking features.

Highlights
  • Basic and scientific calculations
  • Fraction and programmer calculators
  • Unit and currency converter
  • Tip calculator and bill splitter
  • History and memory functions
  • Customizable themes and interface
Features
Read full description

Designed to fill in for the missing calculator app on the iPad with simplicity and functionality. This app features the modern design of flat UI of iOS which look like original built-in app. Users can make basic calculation in portrait and handy scientific calculation in landscape. It provides all scientific functions such as root, power, factorial, exponential, divisions, and logarithm are supported. Including trigonometric functions like sine, cosine, tangent, arch, and more. Unlock the power of binary, octal, decimal, and hexadecimal math with Programmer Calculator. Solve fraction math problem quickly and easily with Fraction Calculator. Includes international currency conversion and variety of units conversion categories. Tip calculator to calculate tip percentage for food and drink on the fly. Save time when use bill splitter, and tip exactly what you mean to, no more, no less. BASIC/SCIENTIFIC CALCULATOR • All functions like the original calculator app • Basic calculation in portrait • Scientific calculation in landscape • Manual basic & scientific calculator switching in portrait or landscape orientation • Access result and do calculation on widget • Switch between Degrees and Radians calculations • Make more complex calculations with Memory buttons • Simply swipe on the digits to delete a single wrong digit UNIT CONVERTER • Currency converter with daily updated exchange rates in the universal currency • Freely convert units from variety of categories • All catalogs in converter include: Currency, Area, Data, Length, Mass, Velocity, Temperature, Time, Volume, Acceleration, Angle, Current, Energy, Force, Illumination, Inductance, Magnitude, Power, Pressure, Radiation and Torque FRACTION CALCULATOR • Built-in fraction calculator to solve fraction math • Display result in proper fraction, improper fraction or decimal number PROGRAMMER CALCULATOR • Multi-base calculations with seamlessly switch between binary, octal, decimal and hexadecimal • Perform arithmetic and logical operations • Directly view and manipulate the individual bits of the binary number with built-in Bit Editor TIP CALCULATOR • Calculate tip of bill on the fly • Split the bill to share with others • Simply swipe to round any number of total, tip, or per person • Built-in share function to easily share the number with others SIMPLICITY • View whole calculation equation in calculator • Check previous calculation with history • Copy and paste numbers from or into display • Support split view multitasking • Support external hardware keyboard input INTERFACE • Get new feel of different looks with multiple themes • Easy one-hand usage with resizable and draggable interface • Pinch to scale calculator size • Quick actions by tap and hold calculator area • Buttons feedback sound to ensure you touch the buttons correctly NOTES: • To add widget in iOS 14 or later, scroll to the bottom of the widget list, tap Edit, tap Customize, add Calculator widget, and tap Done.

Screenshots

Calculator #4 screens

Verdict

The call

Calculator # and Calculator both sit at 4.6 stars, but that hides the real split: 80% of Calculator's written reviews are positive against 60% of Calculator #'s. Calculator also leads on update cadence (monthly vs every 2 months) and ratings volume (363K vs 36K). Calculator #'s advantage is device support (3 vs 1). On price, rating, ads 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 sells 1 one-off in-app purchase. 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 4.7 for Calculator. That said, the two scores are not equally well evidenced: Calculator has 363K ratings behind it against 36K, 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 80% of Calculator's.

UpkeepUpdate frequency

Calculator # ships an update every 2 months, Calculator monthly. Both last shipped on October 28, 2026.

Scorecard4 real differences · 6 level
Calculator # versus Calculator: the parameters behind the verdict, then further details
ParameterCalculator #Calculator
PriceFreeFree
Rating4.6 (36K ratings)4.7 (363K ratings) — better
Positive reviews59.5% of reviews79.5% of reviews — better
Number of ratings36K363K — better
Update frequencyEvery 2 monthsMonthly — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPad
Requires iOS12.111.0 — better
Further details — not scored
Size57 MB47 MB
Age rating4+4+
DeveloperIncpt.MobisRatha Sou

Customer experience

Calculator #

All ratings35,876 ratings
Positive90.4%
Neutral3.8%
Negative5.8%
Written reviews467 reviews
Positive59.5%
Neutral6.4%
Negative34.0%

Calculator

All ratings315,799 ratings
Positive92.8%
Neutral3.3%
Negative3.8%
Written reviews1,133 reviews
Positive79.5%
Neutral5.0%
Negative15.4%

User reviews

Calculator #

From 36K App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Powerful functionality
  • 💡 Helpful for math classes
  • ⭐ Great for students
  • 👌 Works like a real calculator

Room to improve

  • 🔍 Confusing interface after update
  • 📢 Too many intrusive ads
  • 💰 Paywall for advanced features
  • 🐛 Incorrect calculations
  • 🔇 Loud audio ads

Calculator

From 363K App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Performs calculations quickly
  • 💡 Helpful for math homework and studies
  • 🔍 Provides calculation history
  • 🎨 Customizable themes and wallpapers

Room to improve

  • 🔍 Too many ads
  • 🐛 Occasional bugs and glitches
  • 🔍 Ads can be distracting
  • 🔍 Subscription model for some features

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

Reported bugs

3 issues
  • Calculation errors in certain cases
  • App crashing on older devices
  • Issues with the slide-over mode display

Requested features

4 requests
  • Voice input for calculations
  • Ability to delete individual digits
  • More advanced scientific functions
  • Improved split-screen/multitasking support

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

One-time1
  • Unlock Full Version$5.99

Questions

Is Calculator # free?
Calculator # is free to download, with in-app purchases available.
Is Calculator free?
Calculator is free to download, with in-app purchases available.
Which has better reviews, Calculator # or Calculator?
Calculator is rated higher. Calculator # averages 4.6 out of 5 from 36K ratings, while Calculator averages 4.7 from 363K ratings.
Do Calculator # or Calculator have ads?
Both Calculator # and Calculator show ads.
Which is updated more often, Calculator # or Calculator?
Calculator # ships an update every 2 months, and Calculator monthly. Most recently, Calculator # was updated on October 28, 2026 and Calculator on October 28, 2026.

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