# Brain Bench vs IUM

The clearest difference is update cadence: IUM at every 9 days against Brain Bench's monthly. Brain Bench's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Brain Bench ships an update monthly, IUM every 9 days. The most recent releases landed on October 5, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Brain Bench | IUM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 9 days** |
| Size | 46 MB | 28 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nabeel Kazi](https://appshunter.io/developer/1653095459) | [IUM](https://appshunter.io/developer/1812034668) |

## What reviewers say

### Brain Bench

[App page](https://appshunter.io/ios/app/brain-bench/id6744816827)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### IUM

[App page](https://appshunter.io/ios/app/ium/id6745406257)

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

**In-app purchases:** none


## Frequently asked questions

### Is Brain Bench free?

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

### Is IUM free?

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

### Do Brain Bench or IUM have ads?

Neither Brain Bench nor IUM shows ads.

### Which is updated more often, Brain Bench or IUM?

Brain Bench ships an update monthly, and IUM every 9 days. Most recently, Brain Bench was updated on October 5, 2026 and IUM on October 18, 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.*