# boop. vs 4 Reaction

The clearest difference is update cadence: boop. at every 3 days against 4 Reaction's every 6 weeks. On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. boop. sells 4 one-off in-app purchases and 4 Reaction sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

boop. ships an update every 3 days, 4 Reaction every 6 weeks. The most recent releases landed on October 21, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | boop. | 4 Reaction |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/boop/id6479205625/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Every 6 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 35 MB | 185 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Joshua Shadik](https://appshunter.io/developer/1735161678) | [JULIAN NOLL](https://appshunter.io/developer/1803114862) |

## What reviewers say

### boop.

[App page](https://appshunter.io/ios/app/boop/id6479205625)

A minimalist puzzle game where you slide blocks to reach a goal. Features 50 challenging levels with unique jelly block physics. Offers both light and dark modes that adapt to your device.

**Highlights:** 50 challenging levels, Jelly block physics, Light and dark modes, Slide-to-move gameplay, Goal-oriented puzzles

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Expanded Undo | $0.99 | one-time |
| 15 Hints | $0.99 | one-time |
| 50 Hints | $1.99 | one-time |
| 100 Hints | $2.99 | one-time |


### 4 Reaction

[App page](https://appshunter.io/ios/app/4-reaction/id6743485969)

Engage in a fast-paced, competitive reaction game for 2-4 players on a single device. Test your reflexes, speed, and knowledge across over 25 mini-games, perfect for parties and family fun.

**Highlights:** 2-4 player local multiplayer, 25+ mini-games, Offline play, Fast-paced challenges, Difficulty levels, Party game

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Games | $1.99 | one-time |


## Frequently asked questions

### Is boop. free?

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

### Is 4 Reaction free?

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

### Do boop. or 4 Reaction have ads?

Both boop. and 4 Reaction show ads.

### Which is updated more often, boop. or 4 Reaction?

boop. ships an update every 3 days, and 4 Reaction every 6 weeks. Most recently, boop. was updated on October 21, 2026 and 4 Reaction on October 11, 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.*