Comparison

ChessWorld vs Osmo Math Wizard EDU

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Interactive lessons and puzzles
  • Gamified progression with rewards
  • Adaptive chess engine
  • Offline mode
  • Multi-device support
  • Kid-safe and ad-free
Features
Read full description

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

About

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.

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
Read full description

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

ChessWorld4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard9 real differences · 1 level
ChessWorld versus Osmo Math Wizard EDU: the parameters behind the verdict, then further details
ParameterChessWorldOsmo Math Wizard EDU
PriceFreeFree
Rating4.2 (49 ratings) — better3.6 (13 ratings)
Positive reviews63.9% of reviews — better0.0% of reviews
Number of ratings49 — better13
Update frequencyFortnightly — betterEvery 2 months
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPod — betteriPad
Requires iOS13.09.0 — better
Further details — not scored
Size398 MB1.1 GB
Age rating4+4+
DeveloperChessLabs LTDTangible Play

Customer experience

ChessWorld

All ratings48 ratings
Positive79.2%
Neutral4.2%
Negative16.7%
Written reviews36 reviews
Positive63.9%
Neutral13.9%
Negative22.2%

Osmo Math Wizard EDU

All ratings13 ratings
Positive61.5%
Neutral7.7%
Negative30.8%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

4 purchases

ChessWorld

Subscriptions4
  • Home Subscription Monthly7 Days trial$9.991 Month
  • Home Subscription Monthly$9.991 Month
  • Home Subscription Yearly7 Days trial$49.991 Year
Show 1 more
  • Home Subscription Yearly$49.991 Year
None

Osmo Math Wizard EDU

No in-app purchases

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 6, 2026 and Osmo Math Wizard EDU on November 4, 2026.

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