AddCalc Freedom vs Calculator²
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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 [%] [=])
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.
- 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
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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
Verdict
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
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.
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.
| Parameter | AddCalc Freedom | Calculator² |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (4 ratings) — better | — |
| Positive reviews | 52.9% of reviews | 100.0% of reviews — better |
| Number of ratings | 4 — better | — |
| Update frequency | Every 6 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 9.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 78 MB |
| Age rating | 4+ | 4+ |
| Developer | Shinichi Aokawa | Richard Walters |
Customer experience
AddCalc Freedom
Calculator²
In-app purchases
AddCalc Freedom
- Remove ads$1.99
Calculator²
- Financial Calculator$0.99
- Currency Converter$0.99
- Calculator² Premium$1.99
Questions
Is AddCalc Freedom free?
Is Calculator² free?
Do AddCalc Freedom or Calculator² have ads?
Which is updated more often, AddCalc Freedom or Calculator²?
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