Numbers Converter vs Convex Programmer's Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Numbers Converter
Easily convert numbers between Decimal, Binary, Octal, and Hexadecimal bases. This utility app offers a straightforward interface for quick and accurate number base conversions.
- Decimal conversion
- Binary conversion
- Octal conversion
- Hexadecimal conversion
- Simple interface
Read full descriptionHide full description
It is simple and easy to use Numbers Converter to convert the number bases. • Supports: Decimal, Binary, Octal, Hexadecimal.
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 review sentiment: Convex Programmer's Calculator at 67% against Numbers Converter's 0%. Convex Programmer's Calculator also leads on rating (4.7 vs 1.0) and in-app purchases (none vs 1). Numbers Converter's advantage is update cadence (monthly vs every 8 months) and device support (3 vs 1). On price and ads 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. Numbers Converter sells 1 one-off in-app purchase. Convex Programmer's Calculator asks for nothing beyond the download.
Convex Programmer's Calculator holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Convex Programmer's Calculator has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Numbers Converter's written reviews are positive against 67% of Convex Programmer's Calculator's.
Numbers Converter ships an update monthly, Convex Programmer's Calculator every 8 months. The most recent releases landed on October 10, 2026 and September 27, 2026 respectively.
| Parameter | Numbers Converter | Convex Programmer's Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 4.7 (6 ratings) — better |
| Positive reviews | 0.0% of reviews | 66.7% of reviews — better |
| Number of ratings | 1 | 6 — better |
| Update frequency | Monthly — better | Every 8 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 5 MB | 0 MB |
| Age rating | 4+ | 4+ |
| Developer | Le Vu | Matthew Daigle |
Customer experience
Numbers Converter
Convex Programmer's Calculator
In-app purchases
Numbers Converter
- Remove Ads$0.99
Convex Programmer's Calculator
No in-app purchases
Questions
Is Numbers Converter free?
Is Convex Programmer's Calculator free?
Which has better reviews, Numbers Converter or Convex Programmer's Calculator?
Do Numbers Converter or Convex Programmer's Calculator have ads?
Which is updated more often, Numbers Converter or Convex Programmer's Calculator?
Other comparisons















