# Developer Calc Hex Dec Oct Bin vs Math Calculator

The clearest difference is in-app purchases: Developer Calc Hex Dec Oct Bin at none against Math Calculator's 1. Developer Calc Hex Dec Oct Bin also leads on iOS requirement (9.0 vs 16.0). Math Calculator's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Math Calculator sells 1 in-app purchase, starting at $4.99 per month. Developer Calc Hex Dec Oct Bin asks for nothing beyond the download.

Developer Calc Hex Dec Oct Bin ships an update every 5 months, Math Calculator every 4 months. The most recent releases landed on September 22, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Developer Calc Hex Dec Oct Bin | Math Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (15 ratings)](https://appshunter.io/ios/app/developer-calc-hex-dec-oct-bin/id568750126/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 76.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 4 months** |
| Monetization | Ad-supported | — |
| Size | 4 MB | 4 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [QQ TSUBASA](https://appshunter.io/developer/568750169) | [Noadit, Inc.](https://appshunter.io/developer/1516754355) |

## What reviewers say

### Developer Calc Hex Dec Oct Bin

[App page](https://appshunter.io/ios/app/developer-calc-hex-dec-oct-bin/id568750126)

This app converts numbers between binary, octal, decimal, and hexadecimal bases on a single screen. It also displays color hex codes and RGB values simultaneously. It's designed for developers needing quick base conversions and color code referencing.

**Highlights:** Binary, octal, decimal, hexadecimal conversion, Color hex code and RGB display, Large 19-digit decimal display, Conversion reset toggle, Maximum and minimum value display

**Features:** macOS Compatibility

**In-app purchases:** none


### Math Calculator

[App page](https://appshunter.io/ios/app/math-calculator-12-in-1/id1642167736)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP | $4.99 | per month |


## Frequently asked questions

### Is Developer Calc Hex Dec Oct Bin free?

Developer Calc Hex Dec Oct Bin is free to download, with no in-app purchases.

### Is Math Calculator free?

Math Calculator is free to download, with in-app purchases available.

### Do Developer Calc Hex Dec Oct Bin or Math Calculator have ads?

Developer Calc Hex Dec Oct Bin shows ads; Math Calculator does not.

### Which is updated more often, Developer Calc Hex Dec Oct Bin or Math Calculator?

Developer Calc Hex Dec Oct Bin ships an update every 5 months, and Math Calculator every 4 months. Most recently, Developer Calc Hex Dec Oct Bin was updated on September 22, 2026 and Math Calculator on September 19, 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.*