NerdCalc vs Convex Programmer's Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NerdCalc
Perform calculations across binary, hexadecimal, and decimal number bases simultaneously. Easily switch input modes and see results update instantly for all bases. Supports unsigned and 2's complement for negative numbers, along with arithmetic, logic, and bitwise operations.
- Simultaneous base display
- Switchable input modes
- Unsigned and 2's complement support
- Arithmetic operations
- Logic operations
- Bitwise shifting
Read full descriptionHide full description
NerdCalc is a binary, hexadecimal and decimal calculator that displays all three number bases at the same time. With NerdCalc, you can quickly switch which base you are inputting and the result of your calculations is always updated for all three bases, no matter what the current input mode. NerdCalc supports both unsigned and 2’s complement, to allow for negative numbers, and can perform basic arithmetic and logic operations as well as bitwise shifting. Enjoy!
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.
- Number base conversion
- Two's complement calculation
- Byte flipping for endianness
- Left and right bit shifting
- Binary readability enhancements
- Copy, paste, and clear functionality
Read full descriptionHide 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.
Screenshots
Verdict
The clearest difference is ratings volume: NerdCalc at 183 against Convex Programmer's Calculator's 6. NerdCalc also leads on review sentiment (83% vs 67%). Convex Programmer's Calculator's advantage is update cadence (every 8 months vs every 19 months). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.8 for NerdCalc against 4.7 for Convex Programmer's Calculator. That said, the two scores are not equally well evidenced: NerdCalc has 183 ratings behind it against 6, so its average is the more settled of the two. Written reviews are what separate them: 83% of NerdCalc's written reviews are positive against 67% of Convex Programmer's Calculator's.
NerdCalc ships an update every 19 months, Convex Programmer's Calculator every 8 months. The most recent releases landed on September 13, 2026 and June 11, 2026 respectively.
| Parameter | NerdCalc | Convex Programmer's Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (183 ratings) — better | 4.7 (6 ratings) |
| Positive reviews | 83.3% of reviews — better | 66.7% of reviews |
| Number of ratings | 183 — better | 6 |
| Update frequency | Every 19 months | Every 8 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone |
| Requires iOS | 17.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 0 MB | 0 MB |
| Age rating | 4+ | 4+ |
| Developer | Nidal Fakhouri | Matthew Daigle |
Customer experience
NerdCalc
Convex Programmer's Calculator
In-app purchases
NerdCalc
No in-app purchases
Convex Programmer's Calculator
No in-app purchases
Questions
Is NerdCalc free?
Is Convex Programmer's Calculator free?
Which has better reviews, NerdCalc or Convex Programmer's Calculator?
Do NerdCalc or Convex Programmer's Calculator have ads?
Which is updated more often, NerdCalc or Convex Programmer's Calculator?
Other comparisons
