# Brain Challenge vs IQ Prep

The clearest difference is update cadence: IQ Prep at every 2 days against Brain Challenge's every 7 months. Brain Challenge's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Brain Challenge sells 2 in-app purchases, starting at $1.99 per month and IQ Prep sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Brain Challenge ships an update every 7 months, IQ Prep every 2 days. The most recent releases landed on October 25, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Brain Challenge | IQ Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 days** |
| Size | 30 MB | 30 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [BIG DREAMS GROUP](https://appshunter.io/developer/1684759638) | [Birger Krah](https://appshunter.io/developer/1598808073) |

## What reviewers say

### Brain Challenge

[App page](https://appshunter.io/ios/app/brain-challenge-iq-test/id6759228276)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Brain Challenge App - Premium | $1.99 | per month |
| Single certificate-Brain Challenge | $0.99 | one-time |


### IQ Prep

[App page](https://appshunter.io/ios/app/iq-prep-iq-test-practice/id6809942683)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version | $3.99 | one-time |


## Frequently asked questions

### Is Brain Challenge free?

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

### Is IQ Prep free?

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

### Do Brain Challenge or IQ Prep have ads?

Neither Brain Challenge nor IQ Prep shows ads.

### Which is updated more often, Brain Challenge or IQ Prep?

Brain Challenge ships an update every 7 months, and IQ Prep every 2 days. Most recently, Brain Challenge was updated on October 25, 2026 and IQ Prep on October 11, 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.*