# Brain Flex IQ Test vs Simple IQ Test

The clearest difference is in-app purchases: Simple IQ Test at none against Brain Flex IQ Test's 2. Brain Flex IQ Test's advantage is update cadence (every 4 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Brain Flex IQ Test sells 2 in-app purchases, starting at $4.99 per month. Simple IQ Test asks for nothing beyond the download.

Brain Flex IQ Test ships an update every 4 days, Simple IQ Test every 2 months. Both last shipped on October 29, 2026.

## The numbers

| Metric | Brain Flex IQ Test | Simple IQ Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/brain-flex-iq-test/id6801242023/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 21 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kirill Shatrov](https://appshunter.io/developer/6797782862) | [hyeyoung lee](https://appshunter.io/developer/6791195613) |

## What reviewers say

### Brain Flex IQ Test

[App page](https://appshunter.io/ios/app/brain-flex-iq-test/id6801242023)

Test your cognitive abilities with a 50-question assessment covering pattern, logical, numerical, spatial, and verbal reasoning. Challenge friends, track your progress, and explore a vault of puzzles to keep your mind sharp.

**Highlights:** 50-question cognitive assessment, Five reasoning areas: pattern, logic, numerical, spatial, verbal, Personalized score and performance breakdown, Challenge friends and compare scores, Brain Flex Vault with puzzles and games, Sequence Breaker, Logic Grid, Codebreaker, Mind Maze puzzles

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Brain Flex Vault | $4.99 | per month |
| Brain Flex Assessment | $4.99 | one-time |


### Simple IQ Test

[App page](https://appshunter.io/ios/app/simple-iq-test/id6806777077)

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

**In-app purchases:** none


## Frequently asked questions

### Is Brain Flex IQ Test free?

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

### Is Simple IQ Test free?

Simple IQ Test is free to download, with no in-app purchases.

### Do Brain Flex IQ Test or Simple IQ Test have ads?

Neither Brain Flex IQ Test nor Simple IQ Test shows ads.

### Which is updated more often, Brain Flex IQ Test or Simple IQ Test?

Brain Flex IQ Test ships an update every 4 days, and Simple IQ Test every 2 months. Most recently, Brain Flex IQ Test was updated on October 29, 2026 and Simple IQ Test on October 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*