Comparison

Ice Math Ninja ZERO vs Osmo World

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

Head to head
About

Ice Math Ninja ZERO

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
Read full description

••• #1 Family App in 16 countries!!! WINNER of Dr. Toy's 10 BEST TECHNOLOGY of 2013 and WINNER of the FAMILY CHOICE AWARD for 2013 ••• Fans of NINJA SLICING games: GET READY for a game that’ll CHALLENGE not only your DEXTERITY but also your BRAINPOWER!!! KEY FEATURES: • 7 CHALLENGING GAMES, including: SUB-ZERO MINES! • Compete against your friends via FACEBOOK! • Get ACHIEVEMENTS to unleash cool POWER-UPS • Power-Ups create MICRO-GAMES within the game • LIGHTNING ROUND mode for faster gameplay • The devious DARK ZEROS add excitement to the gameplay! • 3 DIFFICULTY MODES. One mode for young kids • Includes ANIMATED INTRO of the Icelands • Pookie the penguin provides nurturing ADVICE • Tushka the polar bear brings a dose of HUMOR • Compare scores via GAME CENTER • Share your score via FACEBOOK and TWITTER • UNIVERSAL APP works on iPhone 5, iPhone 4, iPad Mini, iPad, iPod Touch, and more! GAMES INCLUDED: SUB-ZERO MINES • Fun Value: Use your Swords of Fire to slice the MAGICAL frozen numbers, but avoid touching the exploding Zeros! • Educational Value: Helps recognize numbers, ascending order, and understand that larger numbers are the sum of smaller numbers. POLAR PAIR • Fun Value: Find the ZEN of Even and Odd numbers to be able to extract their mathematical energies! • Educational Value: Helps recognize Even and Odd numbers. ANTARCTIC ADD • Fun Value: Think fast and become a MASTER of addition by slicing sums of numbers before they hit the ground! • Educational Value: Improves Addition skills and Memory. COOL 21 • Fun Value: Ignite the MYSTICAL fire of your Swords to slice every number in sight! But don’t go over 21 or you’ll end up frozen! • Educational Value: Improves Subtraction skills and Memory. PRIME FREEZE • Fun Value: Split frozen numbers into their PRIMORDIAL components by using your Swords of Fire to slice them into primes! • Educational Value: Teaches all the Prime Numbers up to 100. FROSTRIS • Fun Value: Use waves of heat to merge ice cubes into the FUNDAMENTAL number 10! • Educational Value: Improves addition and subtraction skills. ICE FACTOR • Fun Value: Divide and CONQUER the power of the frozen numbers by using your Swords of Fire to slice them into factors! • Educational Value: Improves Division & Multiplication skills and Memory. REVIEWS: "4.5 STARS - Ice Math Ninja is a cool math ninja game that even the most reluctant young math student will warm up to." - Crazymikesapps.com "4 STARS - Ice Math Ninja is an excellent math app. Practice number recognition, addition, and prime numbers in a Fruit Ninja style game!" - Famigo.com "Ice Math Ninja is an addictive and adorable set of arcade style slicing games that'll be a blast for kids who need a little extra practice with math facts, but is also great fun for older kids and adults who simply enjoy the gameplay." -Commonsensemedia.org "Ice Math Ninja: ZERO is a perfect example of a game that not only holds a child’s attention, but also makes parents feel good about handing kids the iPad." - Coronalabs.com “... the diverse challenge modes, make playing this game a very unique experience ... and quite entertaining” - WeiPhone.com “... it's a fun game, really well made and a complete package of a game.” - Zincous, TouchArcade User “ Loved it! I have searched forever for a good math app for my kids ages 5 & 11. The colors, visuals, effects & sounds are amazing.“ - the4crows.com - “I’m loving this game ... it is lots of fun.” PS: my favorite mini-game is Cool 21.” Picohero, TouchArcade User LEARN MORE: View the TRAILER of this game at www.youtube.com/perscorp LIKE US on Facebook at: www.facebook.com/icemathninja FOLLOW US on Twitter at www.twitter.com/icemathninja CONTACT US with any questions at info@pers.com VISIT us at www.pers.com

About

Osmo World

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
Read full description

This is the home for Osmo! Launch into Osmo to explore all your favorite Osmo games, and win collectible stickers along the way. Osmo is connecting over 1 million kids around the world to a new healthy, hands-on learning experience that promotes creativity, problem-solving, and social interaction. Find out more at www.playosmo.com

Screenshots

Ice Math Ninja ZERO4 screens
Osmo World4 screens

Verdict

The call

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.

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard6 real differences · 4 level
Ice Math Ninja ZERO versus Osmo World: the parameters behind the verdict, then further details
ParameterIce Math Ninja ZEROOsmo World
PriceFreeFree
Rating4.5 (49 ratings) — better3.9 (1.4K ratings)
Positive reviews85.7% of reviews — better42.3% of reviews
Number of ratings491.4K — better
Update frequencyMonthly — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better15.0
Further details — not scored
Size127 MB347 MB
Age rating4+4+
DeveloperPersTangible Play

Customer experience

Ice Math Ninja ZERO

All ratings49 ratings
Positive85.7%
Neutral8.2%
Negative6.1%
Written reviews7 reviews
Positive85.7%
Neutral14.3%
Negative0.0%

Osmo World

All ratings1,348 ratings
Positive69.7%
Neutral5.9%
Negative24.4%
Written reviews156 reviews
Positive42.3%
Neutral8.3%
Negative49.4%

Bugs and requests

Ice Math Ninja ZERO

Not enough reviews yet to summarise bugs or requests.

Osmo World

Reported bugs

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

Requested features

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

In-app purchases

8 purchases

Ice Math Ninja ZERO

One-time8
  • Cool 21$0.99
  • Frostris$0.99
  • Ice Factor$0.99
Show 5 more
  • Prime Freeze$0.99
  • Remove Ads$0.99
  • Upgrade to "IMN: ZERO- PREMIUM Edition"$1.99
  • Power-Up Bundle$1.99
  • Icelands Bundle$3.99
None

Osmo World

No in-app purchases

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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