Comparison

AddCalc Freedom vs Calculator²

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

Head to head
About

AddCalc Freedom

This calculator app offers two modes: an adder calculator for accounting and an ordinary calculator. Customize its design, use sound effects, and manage input logs with editing and recalculation. It supports 14 significant digits and always displays Grand Total and Memory.

Highlights
  • Dual calculator modes (adder and ordinary)
  • Customizable calculator design
  • Input log with editing and recalculation
  • Voice reading of input log
  • 14 significant digits
  • Always display Grand Total and Memory
  • Backspace function
Features
Read full description

Do you know the calculator of optimal adder method for an accounting calculation? (with the calculation method change function) Try it on the iPhone and iPad you always carry around. 【Feature】 - This can switch an "adder calculator" and "ordinary calculator” - Simple setting of the design of the calculator - Sound effects - Input log and copy - Input log editing + recalculation function - Voice reading of the input log (for iOS7) - 14 Number of significant digits - Always display "Grand Total" - Always display "Memory" - BackSpace function Simple design that is emphasis in the adder calculation function 【How to use an adder calculator】 ”(10×10)+(5×5)-(6×5)=95” 10 [×] 10 [+=] 5 [×] 5 [+=] 6 [×] 5 [-] [GT] (10×10)Add(5×5)Add(6×5)Pull Ver5.5.3 later % Calculation example : 500 + (500 × 12%) = 560 500 [+=] 12 [%] [+=] (Old : 500 [+=] [×] 12 [%] [+=]) 【How to use an ordinary calculator】 ”(10×10)+(5×5)-(6×5)=95” 10 [×] 10 [=][M+] 5 [×] 5 [=][M+] 6 [×] 5 [=] [M-][MR] Added to the Grand Total by "=" The continuous input will be "10 × 10 + 5 × 5 - 6 × 5 = 2595" Ver5.5.3 later % Calculation example : 500 + (500 × 12%) = 560 500 [+] 12 [%] [=] (Old : 500 [+] [×] 12 [%] [=])

About

Calculator²

This app offers a suite of specialized calculators, including scientific, financial, programmer, and basic functions. It also features a currency converter and a comprehensive unit converter for various needs.

Highlights
  • Scientific calculator with advanced functions
  • Financial calculator for loan and tax calculations
  • Programmer calculator for number base conversions
  • Currency converter with real-time rates
  • Unit converter for over 200 units
  • Basic calculator for everyday use
Features
Read full description

The smart calculator for iOS. Scientific Calculator An advanced calculator with a comprehensive set of mathematical functions including trigonometric, hyperbolic, logarithmic, exponential, factorial, combination and permutation. Over 125 mathematical and physical constants are accessible in an easy-to-navigate list. Implicit multiplication and operator precedence are supported for faster input, while the unique memory mode also provides a facility for statistical functions. Financial Calculator* A calculator with a variety of functions for performing financial calculations, such as determining the monthly payments on a loan or the price of an item after tax has been applied. Individual rates can be set for markup, discount, tax and interest. Perfect for students and professionals who wish to verify the results of time value of money calculations. Programmer Calculator A powerful tool for conversions between decimal, hexadecimal, octal and binary number bases, with a unique view for entering ASCII keys. Bitwise operations including AND, OR, XOR and NOT are available, in addition to functions not usually found in a programmer calculator, such as square and factorial. Basic Calculator A simple, easy-to-use calculator for quick, everyday calculations. Currency Converter* A currency calculator providing accurate conversions between 150+ World currencies. The exchange rates are easily updated to real-time values from the Open Exchange Rates API, while favourite currency conversions can be saved for easy comparisons. Unit Converter A comprehensive unit converter with over 200 units across 26 categories, including temperature, fuel consumption, viscosity, radiation and more. * The Financial Calculator and Currency Converter are unlocked by an in-app purchase

Screenshots

AddCalc Freedom4 screens
Calculator²4 screens

Verdict

The call

The clearest difference is review sentiment: Calculator² at 100% against AddCalc Freedom's 53%. Calculator² also leads on iOS requirement (9.0 vs 15.6). AddCalc Freedom's advantage is monetization model (free vs free with in-app purchases). On price, update cadence, 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. AddCalc Freedom sells 1 one-off in-app purchase and Calculator² sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

AddCalc Freedom ships an update every 6 weeks, Calculator² every 3 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

Scorecard3 real differences · 7 level
AddCalc Freedom versus Calculator²: the parameters behind the verdict, then further details
ParameterAddCalc FreedomCalculator²
PriceFreeFree
Rating3.5 (4 ratings) — better—
Positive reviews52.9% of reviews100.0% of reviews — better
Number of ratings4 — better—
Update frequencyEvery 6 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.69.0 — better
Further details — not scored
Size6 MB78 MB
Age rating4+4+
DeveloperShinichi AokawaRichard Walters

Customer experience

AddCalc Freedom

All ratings4 ratings
Positive50.0%
Neutral25.0%
Negative25.0%
Written reviews17 reviews
Positive52.9%
Neutral5.9%
Negative41.2%

Calculator²

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

AddCalc Freedom

One-time1
  • Remove ads$1.99
3 purchases

Calculator²

One-time3
  • Financial Calculator$0.99
  • Currency Converter$0.99
  • Calculator² Premium$1.99

Questions

Is AddCalc Freedom free?
AddCalc Freedom is free to download, with in-app purchases available.
Is Calculator² free?
Calculator² is free to download, with in-app purchases available.
Do AddCalc Freedom or Calculator² have ads?
Neither AddCalc Freedom nor Calculator² shows ads.
Which is updated more often, AddCalc Freedom or Calculator²?
AddCalc Freedom ships an update every 6 weeks, and Calculator² every 3 months. Most recently, AddCalc Freedom was updated on November 1, 2026 and Calculator² on November 2, 2026.

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