# 2s Complement Calculator vs Learn Binary

The clearest difference is in-app purchases: 2s Complement Calculator at none against Learn Binary's 1. 2s Complement Calculator also leads on ads (none vs shown) and iOS requirement (13.0 vs 16.0). On price and device support there is nothing between them.

Both are free to download. Learn Binary sells 1 one-off in-app purchase. 2s Complement Calculator asks for nothing beyond the download.

## The numbers

| Metric | 2s Complement Calculator | Learn Binary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/learn-binary-bits-and-hex/id6789140513/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 15 months | — |
| Monetization | — | Free with in-app purchases |
| Size | 17 MB | 26 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ahmad Sattar](https://appshunter.io/developer/1458483953) | [Tapricot](https://appshunter.io/developer/6789139047) |

## What reviewers say

### 2s Complement Calculator

[App page](https://appshunter.io/ios/app/2s-complement-calculator/id1607991482)

**Features:** macOS Compatibility

**In-app purchases:** none


### Learn Binary

[App page](https://appshunter.io/ios/app/learn-binary-bits-and-hex/id6789140513)

Master number-base conversion through interactive drills and visual aids. This app offers a gamified learning experience with a level-based progression and daily habit-building features to help users understand binary and hexadecimal systems.

**Highlights:** Number-base conversion drills (decimal, binary, hex), Tappable bit row and keypad input, Place-value breakdown explanations, Level-based progression system, Two's-complement representation, Bitwise operations practice, Offline functionality

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


## Frequently asked questions

### Is 2s Complement Calculator free?

2s Complement Calculator is free to download, with no in-app purchases.

### Is Learn Binary free?

Learn Binary is free to download, with in-app purchases available.

### Do 2s Complement Calculator or Learn Binary have ads?

Learn Binary shows ads; 2s Complement Calculator does not.

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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.*