# Boing Boing Animals vs Chain Rules

The clearest difference is rating: Boing Boing Animals at 4.9 against Chain Rules's 4.0. Boing Boing Animals also leads on update cadence (weekly vs every 8 months) and ratings volume (386 vs 2). Chain Rules's advantage is in-app purchases (none vs 10). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Boing Boing Animals sells 10 one-off in-app purchases. Chain Rules asks for nothing beyond the download.

Boing Boing Animals holds the better App Store score, 4.9 against 4.0. That said, the two scores are not equally well evidenced: Boing Boing Animals has 386 ratings behind it against 2, so its average is the more settled of the two.

Boing Boing Animals ships an update weekly, Chain Rules every 8 months. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Boing Boing Animals | Chain Rules |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (386 ratings)](https://appshunter.io/ios/app/boing-boing-animals/id6476317381/reviews)** | [4.0 (2 ratings)](https://appshunter.io/ios/app/chain-rules/id6759476349/reviews) |
| Number of ratings | **386** | 2 |
| Positive reviews | 95.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 8 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 136 MB | 16 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HyunJin Kim](https://appshunter.io/developer/1726423158) | [Upstream Partners, LLC](https://appshunter.io/developer/1864248680) |

## What reviewers say

### Boing Boing Animals

[App page](https://appshunter.io/ios/app/boing-boing-animals/id6476317381)

Nurture mystical slime eggs that hatch into over 70 unique pixel-art animals. Feed, clean, and play with your companions, customizing their living spaces and the app's interface. Discover which adorable creatures will evolve based on their care and environment.

**Highlights:** Raise unique pixel-art animals, Over 70 animal types to discover, Customize pet quarters, Interface customization, Cloud save functionality, Offline play

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Youth Potion x1 | $0.49 | one-time |
| 10 Jewels | $0.49 | one-time |
| Compressed Supplement Potionx2 | $0.49 | one-time |
| Looking Glass x3 | $0.49 | one-time |
| Magic Wand x4 | $0.49 | one-time |
| Package x4 | $0.49 | one-time |
| 22 Jewels | $0.99 | one-time |
| 60 Jewels | $2.99 | one-time |
| Remove ad | $2.99 | one-time |
| 125 Jewels | $6.99 | one-time |

**What reviewers like**

- 💕 Cute and adorable game
- 👍 Customization options
- 🎨 Lovely pixel art and animations
- 🎉 Fun and engaging mini-games
- 🤗 Relaxing and cozy atmosphere

**What reviewers complain about**

- 🐢 Slow progression and evolution of pets
- 💰 Some features/items are locked behind a paywall
- 🔍 Difficulty finding certain menu options and features
- 🤕 Bugs with vaccination and egg placement

**Reported bugs**

- Inability to feed slimes
- Purchased items not showing up in inventory
- Accounts being lost after app deletion

**Requested features**

- Introduce more animal types to unlock
- Add weather-related accessories (e.g., umbrellas)
- Implement a widget for quick pet checks
- Improve tutorial and in-game guidance
- Add support for Chinese language


### Chain Rules

[App page](https://appshunter.io/ios/app/chain-rules/id6759476349)

A block-matching puzzle game where you strategically remove blocks and trigger chain reactions. Between rounds, select unique abilities that alter gameplay, offering a fresh challenge with each session. Enjoy varied difficulty modes and high score tracking.

**Highlights:** Block matching gameplay, Trigger chain reactions, Select game-altering abilities, Dynamic board challenges, Multiple difficulty modes, High score tracking, Offline play

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

**In-app purchases:** none


## Frequently asked questions

### Is Boing Boing Animals free?

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

### Is Chain Rules free?

Chain Rules is free to download, with no in-app purchases.

### Which has better reviews, Boing Boing Animals or Chain Rules?

Boing Boing Animals is rated higher. Boing Boing Animals averages 4.9 out of 5 from 386 ratings, while Chain Rules averages 4.0 from 2 ratings.

### Do Boing Boing Animals or Chain Rules have ads?

Both Boing Boing Animals and Chain Rules show ads.

### Which is updated more often, Boing Boing Animals or Chain Rules?

Boing Boing Animals ships an update weekly, and Chain Rules every 8 months. Most recently, Boing Boing Animals was updated on November 4, 2026 and Chain Rules on October 31, 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.*