# ChessWorld vs Osmo Math Wizard EDU

The clearest difference is review sentiment: ChessWorld at 64% against Osmo Math Wizard EDU's 0%. ChessWorld also leads on rating (4.2 vs 3.6) and ads (none vs shown). Osmo Math Wizard EDU's advantage is in-app purchases (none vs 4) and iOS requirement (9.0 vs 13.0). On price there is nothing between them.

Both are free to download. ChessWorld sells 4 in-app purchases, starting at $9.99 per month. Osmo Math Wizard EDU asks for nothing beyond the download.

ChessWorld holds the better App Store score, 4.2 against 3.6. Both are backed by a comparable volume of ratings — 49 and 13 respectively. Written reviews point the same way: 64% of ChessWorld's written reviews are positive against 0% of Osmo Math Wizard EDU's.

ChessWorld ships an update fortnightly, Osmo Math Wizard EDU every 2 months. The most recent releases landed on November 11, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | ChessWorld | Osmo Math Wizard EDU |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (49 ratings)](https://appshunter.io/ios/app/chessworld-chess-for-kids/id1112656776/reviews)** | [3.6 (13 ratings)](https://appshunter.io/ios/app/osmo-math-wizard-edu-workshop/id1596355965/reviews) |
| Number of ratings | **49** | 13 |
| Positive reviews | **63.9% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 398 MB | 1.1 GB |
| Requires iOS | 13.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [ChessLabs LTD](https://appshunter.io/developer/1801215769) | [Tangible Play](https://appshunter.io/developer/799157444) |

## What reviewers say

### ChessWorld

[App page](https://appshunter.io/ios/app/chessworld-chess-for-kids/id1112656776)

This app offers an engaging way for children to learn chess through interactive lessons, puzzles, and mini-games set in magical worlds. Developed by chess masters, it adapts to various skill levels and builds critical thinking skills in a safe, ad-free environment.

**Highlights:** Interactive lessons and puzzles, Gamified progression with rewards, Adaptive chess engine, Offline mode, Multi-device support, Kid-safe and ad-free

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Home Subscription Monthly | $9.99 | per month |
| Home Subscription Monthly | $9.99 | per month |
| Home Subscription Yearly | $49.99 | per year |
| Home Subscription Yearly | $49.99 | per year |


### Osmo Math Wizard EDU

[App page](https://appshunter.io/ios/app/osmo-math-wizard-edu-workshop/id1596355965)

This educational game offers a curriculum-inspired math adventure for ages 6-8, focusing on addition, subtraction, and place value. It combines hands-on play with digital interaction to make learning engaging and fun for young students.

**Highlights:** Addition and subtraction within 120, Counting and place value mastery, Comparing numbers, Hands-on play with digital interaction, Curriculum-inspired learning adventure, Rewards for progress

**In-app purchases:** none


## Frequently asked questions

### Is ChessWorld free?

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

### Is Osmo Math Wizard EDU free?

Osmo Math Wizard EDU is free to download, with no in-app purchases.

### Which has better reviews, ChessWorld or Osmo Math Wizard EDU?

ChessWorld is rated higher. ChessWorld averages 4.2 out of 5 from 49 ratings, while Osmo Math Wizard EDU averages 3.6 from 13 ratings.

### Do ChessWorld or Osmo Math Wizard EDU have ads?

Osmo Math Wizard EDU shows ads; ChessWorld does not.

### Which is updated more often, ChessWorld or Osmo Math Wizard EDU?

ChessWorld ships an update fortnightly, and Osmo Math Wizard EDU every 2 months. Most recently, ChessWorld was updated on November 11, 2026 and Osmo Math Wizard EDU on November 4, 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.*