# RadixRoll vs Convex Programmer's Calculator

The clearest difference is rating: Convex Programmer's Calculator at 4.7 against RadixRoll's 4.0. Convex Programmer's Calculator also leads on update cadence (every 8 months vs every 44 months). RadixRoll's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 16.0). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Convex Programmer's Calculator holds the better App Store score, 4.7 against 4.0. Both are backed by a comparable volume of ratings — 5 and 6 respectively. Written reviews split almost evenly too, at 67% and 67% positive.

RadixRoll ships an update every 44 months, Convex Programmer's Calculator every 8 months. Both last shipped on June 11, 2026.

## The numbers

| Metric | RadixRoll | Convex Programmer's Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (5 ratings)](https://appshunter.io/ios/app/radixroll/id946732716/reviews) | **[4.7 (6 ratings)](https://appshunter.io/ios/app/convex-programmers-calculator/id1021414602/reviews)** |
| Number of ratings | 5 | **6** |
| Positive reviews | 66.7% of reviews | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 44 months | **Every 8 months** |
| Monetization | Free | Free |
| Size | 9 MB | 0 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ApplicVision](https://appshunter.io/developer/528375637) | [Matthew Daigle](https://appshunter.io/developer/1021414601) |

## What reviewers say

### RadixRoll

[App page](https://appshunter.io/ios/app/radixroll/id946732716)

Easily convert numbers between decimal, hexadecimal, binary, and Roman numeral systems. Supports a wide range of values and offers synchronized scrolling on iPad for efficient conversion.

**Highlights:** Decimal to Hexadecimal conversion, Hexadecimal to Binary conversion, Binary to Roman numeral conversion, Roman numeral to Decimal conversion, Synchronized scrolling on iPad, Slider for two-base conversion on iPhone

**Features:** macOS Compatibility

**In-app purchases:** none


### Convex Programmer's Calculator

[App page](https://appshunter.io/ios/app/convex-programmers-calculator/id1021414602)

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:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RadixRoll free?

RadixRoll is free to download, with no in-app purchases.

### Is Convex Programmer's Calculator free?

Convex Programmer's Calculator is free to download, with no in-app purchases.

### Which has better reviews, RadixRoll or Convex Programmer's Calculator?

Convex Programmer's Calculator is rated higher. RadixRoll averages 4.0 out of 5 from 5 ratings, while Convex Programmer's Calculator averages 4.7 from 6 ratings.

### Do RadixRoll or Convex Programmer's Calculator have ads?

Neither RadixRoll nor Convex Programmer's Calculator shows ads.

### Which is updated more often, RadixRoll or Convex Programmer's Calculator?

RadixRoll ships an update every 44 months, and Convex Programmer's Calculator every 8 months. Most recently, RadixRoll was updated on June 11, 2026 and Convex Programmer's Calculator on June 11, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*