# StimulusApp vs Unlock Master

The clearest difference is in-app purchases: Unlock Master at none against StimulusApp's 4. Unlock Master also leads on device support. On price and iOS requirement there is nothing between them.

Both are free to download. StimulusApp sells 4 one-off in-app purchases. Unlock Master asks for nothing beyond the download.

## The numbers

| Metric | StimulusApp | Unlock Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (467 ratings)](https://appshunter.io/ios/app/unlock-master-tap-puzzle/id6743467766/reviews)** |
| Number of ratings | — | **467** |
| Positive reviews | — | 89.6% of reviews |
| In-app purchases | Yes | **No** |
| Ads | — | Yes |
| Monetization | — | Free with in-app purchases |
| Size | 41 MB | 161 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 17+ | 9+ |
| Developer | [STIMMY GAMES, LLC.](https://appshunter.io/developer/1645266370) | [Fun Happy Play Hong Kong Limited](https://appshunter.io/developer/1791476890) |

## What reviewers say

### StimulusApp

[App page](https://appshunter.io/ios/app/stimulusapp/id1645266368)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| stimmy coins 1 | $1.00 | one-time |
| stimmy coins 2 | $2.00 | one-time |
| stimmy coins 3 | $3.00 | one-time |
| stimmy coins 5 | $5.00 | one-time |


### Unlock Master

[App page](https://appshunter.io/ios/app/unlock-master-tap-puzzle/id6743467766)

A logic puzzle game where you tap blocks in the correct order to clear the board and earn rewards. It offers intuitive gameplay with increasing complexity and visually satisfying animations. Hints and boosters are available to help overcome challenging levels.

**Highlights:** Tap blocks in correct order, Clear the board, Unveil exciting rewards, Strategic block removal, Increasingly intricate puzzles, Hints and boosters available, Visually satisfying animations

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Intuitive and fun
- 👍 Surprising and enjoyable
- 👍 Easy and fun
- 👍 Fun and challenging
- 👍 3 dimensional spin on classic

**What reviewers complain about**

- 🔍 Levels get more difficult


## Frequently asked questions

### Is StimulusApp free?

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

### Is Unlock Master free?

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

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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.*