ChessWorld vs Osmo Math Wizard EDU
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
ChessWorld
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.
- Interactive lessons and puzzles
- Gamified progression with rewards
- Adaptive chess engine
- Offline mode
- Multi-device support
- Kid-safe and ad-free
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Welcome to ChessWorld – The Ultimate Chess Adventure for Kids! Step into a magical world where kids learn chess through fun, interactive lessons, brain-boosting puzzles, and exciting mini-games. Created by Grandmaster Boris Alterman and a team of world-class chess educators, ChessWorld transforms chess into an unforgettable journey — safe, educational, and fun! Why Choose ChessWorld? Whether your child is a total beginner or already a young prodigy, ChessWorld meets them where they are, making every lesson feel like an adventure and every win feel epic. Explore Magical Realms: Every map unlocks new challenges and chess puzzles to conquer: The Kingdom – Rescue royal pieces and protect the throne The Snow – Outsmart icy foes in snowy landscapes The Desert – Brave the scorching sands and uncover ancient secrets The Lava – Master strategy in fiery, high-stakes battles The Sea – Dive into deep ocean missions with clever sea creatures The Jungle – Outsmart wild beasts and unlock jungle powers Space Adventure – Launch into cosmic missions and solve galactic puzzles And more exciting worlds are coming soon! Kid-Favorite Features: - 100% Kid-Safe – No ads. - Play Anytime, Anywhere – Full offline mode for learning on the go - Multi-Device Support – Seamlessly continue progress across phone, tablet, or computer - 10 Chess Courses & 2,000+ Puzzles – Crafted by real chess masters - Smart Chess Engine – Play simplified or full chess with AI that adapts to your level - Gamified Progression – Earn points, climb ranks, and collect cool rewards Designed by Grandmaster Boris Alterman and a team of pro educators, every game and lesson helps build real-life skills like strategy, focus, critical thinking, and patience — all wrapped up in a story kids love. Got feedback or ideas? We’d love to hear from you! support@chesslabs.ai www.chessworld.io Help & Support: https://www.chessmatec.com/refund-policy-en Privacy policy: https://www.chessmatec.com/privacy-policy-en Terms of service - https://www.chessmatec.com/terms-and-conditions-en
Osmo Math Wizard EDU
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.
- 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
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A self-paced and curriculum-inspired learning adventure for ages 6-8, optimized for use in the classroom! Part of the Osmo Math Series for Grades 1-2, Math Wizard takes students on an adventure that builds math skills, with rewards along the way. Osmo Magical Workshop: An addition & subtraction adventure! In this collection of games, students use rods and cubes alongside a magical number bond playmat to brew potions as they master place value. Players continue their problem-solving quest as they count balloons to help dragons fly! Part of the Osmo Math Series. What they’ll learn Addition and subtraction within 120 Counting and place value Comparing numbers ** Requires the Educational Version of Osmo Math Wizard and the Magical Workshop! ** ABOUT OSMO -- 21ST CENTURY PLAY AND LEARNING: Osmo turns tablets into powerful learning tools that inspire independent, hands-on exploration. Our games combine healthy screen time and hands-on play to make learning engaging and fun for every child.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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 6, 2026 and November 4, 2026 respectively.
| Parameter | ChessWorld | Osmo Math Wizard EDU |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (49 ratings) — better | 3.6 (13 ratings) |
| Positive reviews | 63.9% of reviews — better | 0.0% of reviews |
| Number of ratings | 49 — better | 13 |
| Update frequency | Fortnightly — better | Every 2 months |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod — better | iPad |
| Requires iOS | 13.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 398 MB | 1.1 GB |
| Age rating | 4+ | 4+ |
| Developer | ChessLabs LTD | Tangible Play |
Customer experience
ChessWorld
Osmo Math Wizard EDU
In-app purchases
ChessWorld
- Home Subscription Monthly7 Days trial$9.991 Month
- Home Subscription Monthly$9.991 Month
- Home Subscription Yearly7 Days trial$49.991 Year
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- Home Subscription Yearly$49.991 Year
Osmo Math Wizard EDU
No in-app purchases
Questions
Is ChessWorld free?
Is Osmo Math Wizard EDU free?
Which has better reviews, ChessWorld or Osmo Math Wizard EDU?
Do ChessWorld or Osmo Math Wizard EDU have ads?
Which is updated more often, ChessWorld or Osmo Math Wizard EDU?
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