# Brain vs IAS GS

The clearest difference is in-app purchases: IAS GS at none against Brain's 1. IAS GS also leads on device support (3 vs 1) and iOS requirement (14.0 vs 16.4). Brain's advantage is update cadence (every 3 months vs every 8 months). On price and ads there is nothing between them.

Both are free to download. Brain sells 1 one-off in-app purchase. IAS GS asks for nothing beyond the download.

Brain ships an update every 3 months, IAS GS every 8 months. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Brain | IAS GS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 8 months |
| Size | 85 MB | 100 MB |
| Requires iOS | 16.4 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [TagMango Inc](https://appshunter.io/developer/1611765353) | [Aakash Sinha](https://appshunter.io/developer/1741940052) |

## What reviewers say

### Brain

[App page](https://appshunter.io/ios/app/brain-o-script-academy/id6739930463)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Awaken the Giant Within | $2.99 | one-time |


### IAS GS

[App page](https://appshunter.io/ios/app/ias-gs/id6747888383)

**In-app purchases:** none


## Frequently asked questions

### Is Brain free?

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

### Is IAS GS free?

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

### Do Brain or IAS GS have ads?

Neither Brain nor IAS GS shows ads.

### Which is updated more often, Brain or IAS GS?

Brain ships an update every 3 months, and IAS GS every 8 months. Most recently, Brain was updated on October 28, 2026 and IAS GS on October 25, 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.*