# 321! vs Bond Breaker

The clearest difference is in-app purchases: Bond Breaker at none against 321!'s 2. Bond Breaker also leads on rating (4.6 vs 4.2) and review sentiment (89% vs 66%). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. 321! sells 2 one-off in-app purchases. Bond Breaker asks for nothing beyond the download.

Bond Breaker holds the better App Store score, 4.6 against 4.2. Both are backed by a comparable volume of ratings — 32 and 15 respectively. Written reviews point the same way: 66% of 321!'s written reviews are positive against 89% of Bond Breaker's.

Both ship on a similar rhythm, roughly every 2 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | 321! | Bond Breaker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (32 ratings)](https://appshunter.io/ios/app/321-angles-do-matter/id827107898/reviews) | **[4.6 (15 ratings)](https://appshunter.io/ios/app/bond-breaker/id901257975/reviews)** |
| Number of ratings | **32** | 15 |
| Positive reviews | 66.0% of reviews | **89.5% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 16 MB | 81 MB |
| Requires iOS | 9.0 | **6.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Antonio Jr](https://appshunter.io/developer/827107901) | [TestTubeGames](https://appshunter.io/developer/421890276) |

## What reviewers say

### 321!

[App page](https://appshunter.io/ios/app/321-angles-do-matter/id827107898)

A physics-based puzzle game that challenges your math and physics knowledge to find perfect angles for seemingly impossible passes. Compete against your own scores and share your achievements.

**Highlights:** Physics-based gameplay, Mathematical puzzles, Score-based challenges, Shareable results, Inspired by Flash game

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Extra shot | $0.99 | one-time |
| Upgrade to Pro | $4.99 | one-time |


### Bond Breaker

[App page](https://appshunter.io/ios/app/bond-breaker/id901257975)

Engage with atomic physics in this puzzle game where you start as a proton and build up to atoms and molecules. Utilize scientific tools like lasers and microscopes to manipulate matter and learn real-world physics concepts.

**Highlights:** Atomic and molecular simulation, Real-world physics principles, Interactive scientific tools, Educational gameplay, Bond formation and breaking mechanics

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

**In-app purchases:** none


## Frequently asked questions

### Is 321! free?

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

### Is Bond Breaker free?

Bond Breaker is free to download, with no in-app purchases.

### Which has better reviews, 321! or Bond Breaker?

Bond Breaker is rated higher. 321! averages 4.2 out of 5 from 32 ratings, while Bond Breaker averages 4.6 from 15 ratings.

### Do 321! or Bond Breaker have ads?

Neither 321! nor Bond Breaker shows ads.

### Which is updated more often, 321! or Bond Breaker?

321! ships an update every 2 weeks, and Bond Breaker every 2 weeks. Most recently, 321! was updated on October 24, 2026 and Bond Breaker 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.*