# Boing Boing Animals vs 90초암산왕

The clearest difference is in-app purchases: 90초암산왕 at none against Boing Boing Animals's 10. 90초암산왕 also leads on ads (none vs shown). On price, review sentiment, update cadence and device support there is nothing between them.

Both are free to download. Boing Boing Animals sells 10 one-off in-app purchases. 90초암산왕 asks for nothing beyond the download.

Boing Boing Animals ships an update weekly, 90초암산왕 every 4 days. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Boing Boing Animals | 90초암산왕 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (386 ratings)](https://appshunter.io/ios/app/boing-boing-animals/id6476317381/reviews)** | — |
| Number of ratings | **386** | — |
| Positive reviews | 95.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 136 MB | 59 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) | [HYUNWOO LEE](https://appshunter.io/developer/1592216709) |

## 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


### 90초암산왕

[App page](https://appshunter.io/ios/app/90/id6695733334)

Challenge yourself to solve as many math problems as possible within 90 seconds. Improve your calculation speed and accuracy across various addition, subtraction, multiplication, and division games. Compete with others on leaderboards and share your scores.

**Highlights:** Timed math challenges, 17 game modes, Addition, subtraction, multiplication, division, Leaderboards, Score sharing, Brain training

**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 90초암산왕 free?

90초암산왕 is free to download, with no in-app purchases.

### Do Boing Boing Animals or 90초암산왕 have ads?

Boing Boing Animals shows ads; 90초암산왕 does not.

### Which is updated more often, Boing Boing Animals or 90초암산왕?

Boing Boing Animals ships an update weekly, and 90초암산왕 every 4 days. Most recently, Boing Boing Animals was updated on November 4, 2026 and 90초암산왕 on October 30, 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.*