Comparison

r.Calc vs 0xCalc

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

Head to head
About

r.Calc

A straightforward calculator utilizing Reverse Polish Notation (RPN) for everyday calculations. It offers a four-level visible stack with a total capacity of 100 positions, providing visual feedback on stack fullness. Basic arithmetic operations and stack manipulation functions are included.

Highlights
  • Reverse Polish Notation (RPN) input
  • Four visible stack levels
  • 100-position stack capacity
  • Progress bar for stack fullness
  • Basic arithmetic operations
  • Stack swap and recall functions
  • Vibration feedback for errors
Features
Read full description

This classic RPN (Reverse Polish Notation) calculator is a simple calculator for daily uses. The calculator features a four visible level stack, the total stack size has a total of hundred positions. A progress bar on the top of the screen shows you how the stack is full. For now the implemented operations are; Plus, Minus, Multiply, Divide, Opposite, Inverse. Other facilities like swap the first two number in the stack and recall from the last operation the two arguments should simplify the life. All keyboard errors are notified by a vibration.

About

0xCalc

Features
Read full description

A no-fuss, intuitive calculator tailored for programmers and engineers. * There are no ads and no in-app purchases in this app. Your purchase gets you all features, forever. * This calculator works just like a normal calculator, plus: - When entering a calculation, the last number and operator entered are displayed. - When hitting '=', the full calculation, as well as the result, are displayed. Features - Switch between Binary, Octal, Decimal, and Hexadecimal - A full 64-bit binary representation is visible at all times. - Basic Operations: add, subtract, multiply, divide - Bitwise Operations: AND, OR, XOR, NOR - Shift Operations - Rotate Operations - 1's and 2's Compliment - Hide the second through fourth row of operators when not needed.

Screenshots

r.Calc1 screens
0xCalc4 screens

Verdict

The call

The clearest difference is iOS requirement: r.Calc at 2.2.1 against 0xCalc's 17.0. On price, ads, in-app purchases and device support 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

r.Calc costs $0.99 and 0xCalc $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference · 9 level
r.Calc versus 0xCalc: the parameters behind the verdict, then further details
Parameterr.Calc0xCalc
Price$0.99$0.99
Rating4.0 (3 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 197 months—
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPodiPhone, iPad
Requires iOS2.2.1 — better17.0
Further details — not scored
Size0 MB0 MB
Age rating4+4+
DeveloperNicolas JorandThomas J Foster

In-app purchases

None

r.Calc

No in-app purchases

None

0xCalc

No in-app purchases

Questions

Is r.Calc free?
r.Calc costs $0.99, with no in-app purchases.
Is 0xCalc free?
0xCalc costs $0.99, with no in-app purchases.
Do r.Calc or 0xCalc have ads?
Neither r.Calc nor 0xCalc shows ads.

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