# Developer Calc Hex Dec Oct Bin vs TwoBaseTen

The clearest difference is ads: TwoBaseTen at none against Developer Calc Hex Dec Oct Bin's shown. TwoBaseTen also leads on rating (4.4 vs 4.1) and monetization model (free vs ad-supported). Developer Calc Hex Dec Oct Bin's advantage is iOS requirement (9.0 vs 12.0). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

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

TwoBaseTen holds the better App Store score, 4.4 against 4.1. Both are backed by a comparable volume of ratings — 15 and 37 respectively. Written reviews point the same way: 76% of Developer Calc Hex Dec Oct Bin's written reviews are positive against 86% of TwoBaseTen's.

Developer Calc Hex Dec Oct Bin ships an update every 5 months, TwoBaseTen every 6 months. The most recent releases landed on October 6, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Developer Calc Hex Dec Oct Bin | TwoBaseTen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (15 ratings)](https://appshunter.io/ios/app/developer-calc-hex-dec-oct-bin/id568750126/reviews) | **[4.4 (37 ratings)](https://appshunter.io/ios/app/twobaseten-binary-converter/id1448632258/reviews)** |
| Number of ratings | 15 | **37** |
| Positive reviews | 76.3% of reviews | **85.7% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 5 months** | Every 6 months |
| Monetization | Ad-supported | **Free** |
| Size | 4 MB | 7 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [QQ TSUBASA](https://appshunter.io/developer/568750169) | [Giddyonics, LLC](https://appshunter.io/developer/1161282058) |

## 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


### TwoBaseTen

[App page](https://appshunter.io/ios/app/twobaseten-binary-converter/id1448632258)

Easily convert between decimal and binary number systems with a simple interface. Supports pasting input and copying output for quick operations. Ideal for quick calculations without complex features.

**Highlights:** Decimal to binary conversion, Binary to decimal conversion, Paste numbers to input, Copy output numbers, Switch modes with arrow tap

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

**In-app purchases:** none


## 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 TwoBaseTen free?

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

### Which has better reviews, Developer Calc Hex Dec Oct Bin or TwoBaseTen?

TwoBaseTen is rated higher. Developer Calc Hex Dec Oct Bin averages 4.1 out of 5 from 15 ratings, while TwoBaseTen averages 4.4 from 37 ratings.

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

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

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

Developer Calc Hex Dec Oct Bin ships an update every 5 months, and TwoBaseTen every 6 months. Most recently, Developer Calc Hex Dec Oct Bin was updated on October 6, 2026 and TwoBaseTen on September 17, 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.*