# Fun labyrinth brain games. vs 2ndBook

The clearest difference is in-app purchases: 2ndBook at none against Fun labyrinth brain games.'s 1. 2ndBook also leads on update cadence (every 2 days vs every 3 weeks). Fun labyrinth brain games.'s advantage is iOS requirement (8.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Fun labyrinth brain games. sells 1 one-off in-app purchase. 2ndBook asks for nothing beyond the download.

Fun labyrinth brain games. ships an update every 3 weeks, 2ndBook every 2 days. The most recent releases landed on October 10, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Fun labyrinth brain games. | 2ndBook |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Size | 22 MB | 70 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Gema Martinez](https://appshunter.io/developer/1308232219) | [Ilnur Stybayev](https://appshunter.io/developer/6774919620) |

## What reviewers say

### Fun labyrinth brain games.

[App page](https://appshunter.io/ios/app/fun-labyrinth-brain-games/id1338767787)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### 2ndBook

[App page](https://appshunter.io/ios/app/2ndbook/id6774921017)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fun labyrinth brain games. free?

Fun labyrinth brain games. is free to download, with in-app purchases available.

### Is 2ndBook free?

2ndBook is free to download, with no in-app purchases.

### Do Fun labyrinth brain games. or 2ndBook have ads?

Neither Fun labyrinth brain games. nor 2ndBook shows ads.

### Which is updated more often, Fun labyrinth brain games. or 2ndBook?

Fun labyrinth brain games. ships an update every 3 weeks, and 2ndBook every 2 days. Most recently, Fun labyrinth brain games. was updated on October 10, 2026 and 2ndBook on October 24, 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.*