# Master Flipper vs Slab 17

The clearest difference is ads: Slab 17 at none against Master Flipper's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

## The numbers

| Metric | Master Flipper | Slab 17 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/slab-17/id6753980449/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 9 days | — |
| Monetization | — | Free |
| Size | 198 MB | 5 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [东波 关](https://appshunter.io/developer/1788423043) | [George Hokkanen](https://appshunter.io/developer/772369255) |

## What reviewers say

### Master Flipper

[App page](https://appshunter.io/ios/app/master-flipper/id6749009960)

**Features:** macOS Compatibility

**In-app purchases:** none


### Slab 17

[App page](https://appshunter.io/ios/app/slab-17/id6753980449)

Engage your abstract thinking with daily logic puzzles. As a scientist, uncover hidden rules by experimenting with colorful slabs to crack codes. Offers a vast archive of challenges and the ability to create and share your own puzzles.

**Highlights:** Daily unique logic puzzles, Archive of puzzles from easy to impossible, Create custom puzzles with AI, Share puzzles with friends, Abstract thinking and imagination tests

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Master Flipper free?

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

### Is Slab 17 free?

Slab 17 is free to download, with no in-app purchases.

### Do Master Flipper or Slab 17 have ads?

Master Flipper shows ads; Slab 17 does not.

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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.*