# Brain Test Puzzles vs JustWorld

The clearest difference is update cadence: JustWorld at every 2 weeks against Brain Test Puzzles's every 27 months. Brain Test Puzzles's advantage is iOS requirement (10.0 vs 15.6). 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 Test Puzzles ships an update every 27 months, JustWorld every 2 weeks. The most recent releases landed on October 13, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Brain Test Puzzles | JustWorld |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 27 months | **Every 2 weeks** |
| Monetization | Ad-supported | — |
| Size | 51 MB | 330 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [跃峰 杨](https://appshunter.io/developer/1687429670) | [Evotech Evolution Technology Systems](https://appshunter.io/developer/1788128401) |

## What reviewers say

### Brain Test Puzzles

[App page](https://appshunter.io/ios/app/brain-test-puzzles/id1247701500)

Engage your mind with a collection of creative puzzles and challenging tasks. This game offers a relaxing yet engaging experience with simple controls and a fresh, pleasant visual style. Embark on an adventure to solve intricate problems and test your logic.

**Highlights:** Creative puzzles, Tricky tasks, Amazing hints, Relaxed and pleasant gameplay, Simple operation, Lovely and fresh style

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

**In-app purchases:** none


### JustWorld

[App page](https://appshunter.io/ios/app/justworld/id6753875926)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Brain Test Puzzles free?

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

### Is JustWorld free?

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

### Do Brain Test Puzzles or JustWorld have ads?

Both Brain Test Puzzles and JustWorld show ads.

### Which is updated more often, Brain Test Puzzles or JustWorld?

Brain Test Puzzles ships an update every 27 months, and JustWorld every 2 weeks. Most recently, Brain Test Puzzles was updated on October 13, 2026 and JustWorld on October 14, 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.*