# Binary Brain vs Binary Calculator SDG

The clearest difference is price: Binary Calculator SDG at Free against Binary Brain's $0.99. Binary Calculator SDG also leads on update cadence (every 12 months vs every 38 months) and iOS requirement (11.0 vs 13.0). Binary Brain's advantage is ads (none vs shown). On in-app purchases and device support there is nothing between them.

Binary Calculator SDG is free to download; Binary Brain costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Binary Brain ships an update every 38 months, Binary Calculator SDG every 12 months. The most recent releases landed on September 21, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Binary Brain | Binary Calculator SDG |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 38 months | **Every 12 months** |
| Size | 6 MB | 12 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [George Chalkiadoudis](https://appshunter.io/developer/1040522966) | [SDG CODE DOO NIS](https://appshunter.io/developer/1343251532) |

## What reviewers say

### Binary Brain

[App page](https://appshunter.io/ios/app/binary-brain/id1040522967)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Binary Calculator SDG

[App page](https://appshunter.io/ios/app/binary-calculator-sdg/id6741471372)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Binary Brain free?

Binary Brain costs $0.99, with no in-app purchases.

### Is Binary Calculator SDG free?

Binary Calculator SDG is free to download, with no in-app purchases.

### Do Binary Brain or Binary Calculator SDG have ads?

Binary Calculator SDG shows ads; Binary Brain does not.

### Which is updated more often, Binary Brain or Binary Calculator SDG?

Binary Brain ships an update every 38 months, and Binary Calculator SDG every 12 months. Most recently, Binary Brain was updated on September 21, 2026 and Binary Calculator SDG on October 4, 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.*