# Ice Math Ninja ZERO vs Osmo Masterpiece

The clearest difference is rating: Ice Math Ninja ZERO at 4.5 against Osmo Masterpiece's 3.9. Ice Math Ninja ZERO also leads on review sentiment (86% vs 49%) and update cadence (monthly vs every 2 months). Osmo Masterpiece's advantage is in-app purchases (none vs 8) and ratings volume (625 vs 49). On price, ads, monetization model 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 Masterpiece 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 Masterpiece has 625 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 49% of Osmo Masterpiece's.

Ice Math Ninja ZERO ships an update monthly, Osmo Masterpiece every 2 months. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Ice Math Ninja ZERO | Osmo Masterpiece |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (49 ratings)](https://appshunter.io/ios/app/ice-math-ninja-zero/id541794723/reviews)** | [3.9 (625 ratings)](https://appshunter.io/ios/app/osmo-masterpiece/id947529440/reviews) |
| Number of ratings | 49 | **625** |
| Positive reviews | **85.7% of reviews** | 49.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 127 MB | 272 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 Masterpiece

[App page](https://appshunter.io/ios/app/osmo-masterpiece/id947529440)

Transform your device into a drawing assistant. Capture images, search online, or select from a gallery to trace onto paper. Enhance your artistic abilities with this interactive drawing tool.

**Highlights:** Draw from photos, web, or gallery, Trace images onto paper, Save and share creations, Works on iPhone and iPad, Interactive learning experience

**In-app purchases:** none

**What reviewers like**

- 👍 Helpful for improving drawing skills
- 🎨 Allows taking photos and drawing on them
- 💰 Free to use

**What reviewers complain about**

- 🐛 Frequent glitches and freezing issues
- 🤔 Compatibility issues with newer devices
- 🔍 Search function not working for some users

**Reported bugs**

- Camera freezing during use
- Drawing lines moving unexpectedly
- Compatibility issues with certain iPad models

**Requested features**

- Allow drawing without Osmo setup
- Improve search functionality
- Add option to save/share drawings


## Frequently asked questions

### Is Ice Math Ninja ZERO free?

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

### Is Osmo Masterpiece free?

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

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

Ice Math Ninja ZERO is rated higher. Ice Math Ninja ZERO averages 4.5 out of 5 from 49 ratings, while Osmo Masterpiece averages 3.9 from 625 ratings.

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

Neither Ice Math Ninja ZERO nor Osmo Masterpiece shows ads.

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

Ice Math Ninja ZERO ships an update monthly, and Osmo Masterpiece every 2 months. Most recently, Ice Math Ninja ZERO was updated on November 1, 2026 and Osmo Masterpiece on November 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*