Comparison

Convex Programmer's Calculator vs ++Calc

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

Head to head
About

Convex Programmer's Calculator

Convert numbers between hexadecimal, decimal, octal, and binary. Perform byte flips, bit shifts, and calculate two's complement. Features bit indicators and word grouping for improved binary readability.

Highlights
  • Number base conversion
  • Two's complement calculation
  • Byte flipping for endianness
  • Left and right bit shifting
  • Binary readability enhancements
  • Copy, paste, and clear functionality
Features
Read full description

Easily convert between hexadecimal, decimal, octal, and binary. Calculate the two's complement of any number. Flip a number's bytes to switch its endianness. Bit-shift left and right. Bit indicators and word grouping make binary easier to read. Tap the number to copy, paste, and clear. Swipe left or right on the number to backspace.

About

++Calc

This app offers a versatile calculator for everyday tasks, supporting calculations in binary, octal, decimal, and hexadecimal. It allows for complex expressions with parentheses, editing of inputs, and displays both the expression and answer on separate lines. It also handles time calculations and large numbers up to 16 significant digits.

Highlights
  • Radix calculations (binary, octal, decimal, hexadecimal)
  • Expression input with parentheses
  • Editable input history
  • Two-line display for expression and result
  • Time calculation with unit conversion
  • Large number support (up to 16 significant digits)
Features
Read full description

"++Calc" is a multifunctional calculator app suitable for everyday use. [Main Features & Functions] - Calculations in Various Radix Supports input in binary, octal, decimal, and hexadecimal. Calculation results can be converted between these radixes. - Input of Expressions Using Parentheses Allows for the calculation of expressions using parentheses. - Edit Function Expressions can be deleted and corrected using the delete key. - Two-Line Display Expressions and their answers are displayed on separate lines. - Time Calculation Function Capable of performing time calculations. Units are mutually convertible. - Support for Large Numbers Can calculate large numbers up to a maximum of 16 significant digits. [Disclaimer] Thank you for using the "++Calc" app (hereinafter referred to as "this app"). We have made every effort to meet the calculation needs of our users; however, please note the following: - Accuracy of Calculation Results Although this app is designed to meet general calculation needs, due to the nature of software, bugs and system limitations might lead to errors in calculation results. Therefore, the results obtained from this app should be used for reference only, and verification by other means is strongly recommended for applications where accuracy is critical (such as financial transactions, scientific research, safety-related calculations, etc.). - Limitation of Liability The developers and the developing company shall not be liable for any direct, indirect, incidental, special, or consequential damages arising from the use of this app. The user assumes all responsibility for the results obtained through the use of this app.

Screenshots

Convex Programmer's Calculator4 screens
++Calc1 screens

Verdict

The call

The clearest difference is ads: Convex Programmer's Calculator at none against ++Calc's shown. Convex Programmer's Calculator also leads on monetization model (free vs ad-supported). ++Calc's advantage is review sentiment (100% vs 67%) and update cadence (every 3 months vs every 8 months). On price 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Convex Programmer's Calculator ships an update every 8 months, ++Calc every 3 months. The most recent releases landed on September 27, 2026 and October 4, 2026 respectively.

Scorecard6 real differences · 4 level
Convex Programmer's Calculator versus ++Calc: the parameters behind the verdict, then further details
ParameterConvex Programmer's Calculator++Calc
PriceFreeFree
Rating4.7 (6 ratings) — better—
Positive reviews66.7% of reviews100.0% of reviews — better
Number of ratings6 — better—
Update frequencyEvery 8 monthsEvery 3 months — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.014.0 — better
Further details — not scored
Size0 MB7 MB
Age rating4+4+
DeveloperMatthew DaigleLegal Prompt Inc.

Customer experience

Convex Programmer's Calculator

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews9 reviews
Positive66.7%
Neutral11.1%
Negative22.2%

++Calc

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Convex Programmer's Calculator

No in-app purchases

None

++Calc

No in-app purchases

Questions

Is Convex Programmer's Calculator free?
Convex Programmer's Calculator is free to download, with no in-app purchases.
Is ++Calc free?
++Calc is free to download, with no in-app purchases.
Do Convex Programmer's Calculator or ++Calc have ads?
++Calc shows ads; Convex Programmer's Calculator does not.
Which is updated more often, Convex Programmer's Calculator or ++Calc?
Convex Programmer's Calculator ships an update every 8 months, and ++Calc every 3 months. Most recently, Convex Programmer's Calculator was updated on September 27, 2026 and ++Calc on October 4, 2026.

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