# Screw Project vs 脳トレ！スライドパズル Blocks

The clearest difference is in-app purchases: 脳トレ！スライドパズル Blocks at none against Screw Project's 22. 脳トレ！スライドパズル Blocks also leads on iOS requirement (13.0 vs 15.0). Screw Project's advantage is chart position (#94 vs unranked). On price, ads and device support there is nothing between them.

Both are free to download. Screw Project sells 21 one-off in-app purchases. 脳トレ！スライドパズル Blocks asks for nothing beyond the download.

## The numbers

| Metric | Screw Project | 脳トレ！スライドパズル Blocks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (6.6K ratings)](https://appshunter.io/ios/app/screw-project-asmr-home/id6670698975/reviews)** | — |
| Number of ratings | **6.6K** | — |
| Positive reviews | 5.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Weekly | — |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#94** | — |
| Size | 1.3 GB | 89 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Casual Joy Limited](https://appshunter.io/developer/1439301303) | [Hayato Saito](https://appshunter.io/developer/1865824244) |

## What reviewers say

### Screw Project

[App page](https://appshunter.io/ios/app/screw-project-asmr-home/id6670698975)

**Currently charting:** #94 Top Grossing · Puzzle, #101 Top Grossing · Casual, #198 Top Free · Puzzle, #203 Top Free · Casual (US App Store)

Engage in a strategic puzzle game where you unscrew bolts to collect them in a box. Overcome obstacles like glass and gravity, and discover unique screw types. Enjoy relaxing gameplay with helpful boosters and challenging levels.

**Highlights:** Unscrew bolts to collect in a box, Overcome gravity and glass obstacles, Discover unique screw types, Utilize boosters for assistance, Relaxing and simple gameplay, Beautifully designed levels

**In-app purchases (21)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3d.newicebreak20 | $0.99 | one-time |
| Coin1 | $1.99 | one-time |
| 3d.ioscoin1 | $1.99 | one-time |
| Discount Pack 6 | $4.99 | one-time |
| Difficult Level Gift 3 | $4.99 | one-time |
| 3d.limitpack1 | $7.99 | one-time |
| 3d.ioscoin2 | $7.99 | one-time |
| No Ad Bundle 14 | $7.99 | one-time |
| Coin2 | $7.99 | one-time |
| Remove Ad 1 | $7.99 | one-time |
| Daily Sale 3 | $9.99 | one-time |
| 3d.iospack1 | $9.99 | one-time |
| 3d.revivepack12 | $9.99 | one-time |
| 3d.bp11 | $9.99 | one-time |
| 3d.iosnoad12 | $11.99 | one-time |
| 3d.bp12 | $12.99 | one-time |
| Daily Sale 5 | $13.99 | one-time |
| 3d.ioscoin3 | $14.99 | one-time |
| Daily Sale 7 | $17.99 | one-time |
| 3d.iospack2 | $19.99 | one-time |
| 3d.iospack3 | $29.99 | one-time |

**What reviewers like**

- 👍 Cool puzzles

**What reviewers complain about**

- 🔒 Overly restrictive monetization
- 🐛 Unreliable ad system
- 🔋 Battery draining
- 💰 Expensive to progress

**Reported bugs**

- Incompatible with newer versions
- Incorrect game redirects

**Requested features**

- More generous coin rewards
- Better color/tool distribution


### 脳トレ！スライドパズル Blocks

[App page](https://appshunter.io/ios/app/blocks/id6758011035)

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

**In-app purchases:** none


## Frequently asked questions

### Is Screw Project free?

Screw Project is free to download, with in-app purchases available.

### Is 脳トレ！スライドパズル Blocks free?

脳トレ！スライドパズル Blocks is free to download, with no in-app purchases.

### Do Screw Project or 脳トレ！スライドパズル Blocks have ads?

Both Screw Project and 脳トレ！スライドパズル Blocks show ads.

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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.*