# Ice Math Ninja ZERO vs Osmo World

The clearest difference is review sentiment: Ice Math Ninja ZERO at 86% against Osmo World's 42%. Ice Math Ninja ZERO also leads on rating (4.5 vs 3.9) and iOS requirement (8.0 vs 15.0). Osmo World's advantage is in-app purchases (none vs 8) and ratings volume (1.4K vs 49). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Ice Math Ninja ZERO sells 8 one-off in-app purchases. Osmo World asks for nothing beyond the download.

Ice Math Ninja ZERO holds the better App Store score, 4.5 against 3.9. That said, the two scores are not equally well evidenced: Osmo World has 1.4K ratings behind it against 49, so its average is the more settled of the two. Written reviews point the same way: 86% of Ice Math Ninja ZERO's written reviews are positive against 42% of Osmo World's.

Ice Math Ninja ZERO ships an update monthly, Osmo World every 2 months. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Ice Math Ninja ZERO | Osmo World |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (49 ratings)](https://appshunter.io/ios/app/ice-math-ninja-zero/id541794723/reviews)** | [3.9 (1.4K ratings)](https://appshunter.io/ios/app/osmo-world/id1350943542/reviews) |
| Number of ratings | 49 | **1.4K** |
| Positive reviews | **85.7% of reviews** | 42.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 127 MB | 347 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pers](https://appshunter.io/developer/483240727) | [Tangible Play](https://appshunter.io/developer/799157444) |

## What reviewers say

### Ice Math Ninja ZERO

[App page](https://appshunter.io/ios/app/ice-math-ninja-zero/id541794723)

This game challenges your dexterity and brainpower with a variety of math-based slicing challenges. It offers multiple game modes, power-ups, and social features to keep players engaged while practicing fundamental math skills.

**Highlights:** 7 challenging math games, Slice numbers and avoid zeros, Power-ups and micro-games, Lightning Round mode, 3 difficulty modes, Social score sharing, Educational math practice

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cool 21 | $0.99 | one-time |
| Frostris | $0.99 | one-time |
| Ice Factor | $0.99 | one-time |
| Prime Freeze | $0.99 | one-time |
| Remove Ads | $0.99 | one-time |
| Upgrade to "IMN: ZERO- PREMIUM Edition" | $1.99 | one-time |
| Power-Up Bundle | $1.99 | one-time |
| Icelands Bundle | $3.99 | one-time |


### Osmo World

[App page](https://appshunter.io/ios/app/osmo-world/id1350943542)

This app serves as a central hub for a collection of educational games designed to foster creativity, problem-solving, and social interaction in children. It allows users to launch into various Osmo games and collect virtual rewards.

**Highlights:** Launch Osmo games, Explore game library, Win collectible stickers, Hands-on learning, Promotes creativity, Encourages problem-solving, Fosters social interaction

**In-app purchases:** none

**What reviewers like**

- 👍 Fun and educational
- 🤩 Nostalgic and engaging
- 🎨 Creative expression
- 🕹️ Variety of mini-games

**What reviewers complain about**

- 🐛 Compatibility issues with newer devices
- 🔒 Difficult login/account management
- 💸 Expensive with additional purchases required
- 🔧 Glitchy and buggy performance

**Reported bugs**

- App crashes or freezes
- Camera recognition problems
- Saved progress/data loss
- Incompatibility with certain iPad models

**Requested features**

- More game content and updates
- Improved account/progress syncing
- Simplified setup and onboarding
- Better support for newer hardware


## Frequently asked questions

### Is Ice Math Ninja ZERO free?

Ice Math Ninja ZERO is free to download, with in-app purchases available.

### Is Osmo World free?

Osmo World is free to download, with no in-app purchases.

### Which has better reviews, Ice Math Ninja ZERO or Osmo World?

Ice Math Ninja ZERO is rated higher. Ice Math Ninja ZERO averages 4.5 out of 5 from 49 ratings, while Osmo World averages 3.9 from 1.4K ratings.

### Do Ice Math Ninja ZERO or Osmo World have ads?

Neither Ice Math Ninja ZERO nor Osmo World shows ads.

### Which is updated more often, Ice Math Ninja ZERO or Osmo World?

Ice Math Ninja ZERO ships an update monthly, and Osmo World every 2 months. Most recently, Ice Math Ninja ZERO was updated on November 1, 2026 and Osmo World on November 6, 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.*