Comparison

Math Vs Undead vs Osmo Words Classic

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

Head to head
About

Math Vs Undead

Engage in a thrilling math-based zombie shooter where solving arithmetic problems is your weapon. This game combines educational challenges with fun graphics to boost calculation speed and cognitive skills for all ages.

Highlights
  • Zombie shooter gameplay
  • Basic math operations (addition, subtraction, multiplication, division)
  • 30 challenging levels
  • Improves calculation speed
  • Enhances cognitive functions
  • Eye-catching graphics
Features
Read full description

Math is fun and Math Vs Undead: Math Game, one of the best math games can prove it! It combines zombie games and educational games for kids in one fun game. Kids love zombie games especially if they are shooter games, and parents love educational games for kids, so we’ve made this Math Vs Undead: Math Game application to satisfy both kids and parents. Stop the zombie tsunami – do it mathway! Your brain will love this game for math because it is on the first place fun game for free, then it can be called a zombie math game for teenagers and all in all it’s a great brain teaser. Stop lollygagging on the web but instead start playing smart games. What this game has that others don’t have? Eye-candy graphics and user friendly interface One math genius that defends himself from numerous zombies and his only weapon is his mathematics knowledge Math attack – with every correct answer you will shoot evil zombies with pointed pens, sharp triangles, rulers and dividers Basic math operations and math formulae– addition, subtraction, multiplication and division Math playground – challenge your brain in 30 levels; speed up your ability to perform calculation quickly. Mind training game that involves numbers improves mental workout, tests your IQ but also your reflexes, and enhances cognitive functions and visual memory and turns you into a real math genius Learning was never easier! Primarily this is an educational game for teens and can be seen as math for 3th, 5th graders and even can be useful as math for 8th grader. It is suitable for little kids as well, as it is also one of the games for preschool kids that can help kids later on in school. Here, kids deal with elementary math in a funny and interesting way. We know math can cause a lot of problems to both kids and parents, but this cool math game can have multiple benefits. It is a fun game for kids that offers different math drills to make kids prepare for the school with the help of these games for kids who are starting kindergarten. One the other hand, scientists say that brain needs training like muscles do, so parents set your mind into action with this game for adults and fun mind game. Everybody can enjoy this family game and both girls and boys will have fun while learning. Kids, don’t run away from math problems, because they are not as hard as they seem! All you have to do is to grow the plants of your knowledge for stopping the zombie invasion by solving math problems and enjoying fun games for teens at the same time!

About

Osmo Words Classic

Embark on a word puzzle adventure where you guess and spell words based on on-screen images. Engage in collaborative or competitive play with friends or AI characters. This app blends physical and digital play for a magical learning experience.

Highlights
  • Guess and spell words from images
  • Collaborative and competitive play
  • Physical and digital interaction
  • Word puzzle adventure
  • Hands-on learning experience
Read full description

Explore the land of Words, a magical place where characters challenge you to guess and spell the on-screen images. Play collaboratively or competitively with your real-life friends or our loveable characters! Words have power in this adventure! Will you become the Word Champion? "This interplay between the physical and digital realms looks and feels like magic." - Forbes "Osmo has been a revolution in our family." - Wired Awarded: **Best Design** - Good Design, 2016 **Best Product Designs** - Fast Company Finalist, 2016 **Innovative Toy of the Year** - TOTY Finalist, 2015 **Best Inventions** - TIME, 2014 *Requires the Osmo Base and Words tiles found at www.playosmo.com * Please see our device compatibility list here: https://support.playosmo.com/hc/articles/115010156067 About Osmo: Osmo is using the screen to create a new healthy, hands-on learning experience that promotes creativity, problem solving and social interaction. We do this with our reflective artificial technology.

Screenshots

Math Vs Undead4 screens
Osmo Words Classic4 screens

Verdict

The call

The clearest difference is in-app purchases: Osmo Words Classic at none against Math Vs Undead's 1. Osmo Words Classic also leads on ads (none vs shown) and update cadence (every 2 months vs every 6 months). Math Vs Undead's advantage is rating (4.3 vs 4.0) and review sentiment (48% vs 33%). On price, ratings volume, monetization model 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. Math Vs Undead sells 1 one-off in-app purchase. Osmo Words Classic asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Math Vs Undead holds the better App Store score, 4.3 against 4.0. Both are backed by a comparable volume of ratings — 148 and 271 respectively. Written reviews point the same way: 48% of Math Vs Undead's written reviews are positive against 33% of Osmo Words Classic's.

UpkeepUpdate frequency

Math Vs Undead ships an update every 6 months, Osmo Words Classic every 2 months. The most recent releases landed on October 23, 2026 and November 1, 2026 respectively.

Scorecard6 real differences · 4 level
Math Vs Undead versus Osmo Words Classic: the parameters behind the verdict, then further details
ParameterMath Vs UndeadOsmo Words Classic
PriceFreeFree
Rating4.3 (148 ratings) — better4.0 (271 ratings)
Positive reviews48.1% of reviews — better32.7% of reviews
Number of ratings148271 — better
Update frequencyEvery 6 monthsEvery 2 months — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size133 MB305 MB
Age rating9+4+
DeveloperPeakselTangible Play

Customer experience

Math Vs Undead

All ratings148 ratings
Positive81.8%
Neutral6.1%
Negative12.2%
Written reviews54 reviews
Positive48.1%
Neutral9.3%
Negative42.6%

Osmo Words Classic

All ratings271 ratings
Positive74.5%
Neutral5.5%
Negative19.9%
Written reviews107 reviews
Positive32.7%
Neutral9.3%
Negative57.9%

Bugs and requests

Math Vs Undead

Not enough reviews yet to summarise bugs or requests.

Osmo Words Classic

Reported bugs

12 issues
  • App crashes on startup or during gameplay
  • App closes unexpectedly after completing levels
  • Tile recognition fails (e.g., D recognized as C, B as P)
  • Stuck on 'Please Wait, Downloading' screen indefinitely
  • White/blank screen on app launch
Show 7 more
  • App freezes during level transitions
  • Update installation freezes and drains battery
  • Incompatibility with iOS 17 devices
  • Menu screen displays nothing
  • App won't open on iPhone despite download
  • Game randomly closes before battles begin
  • Double-counting letter tiles and false error buzzes

Requested features

11 requests
  • Lowercase letter option for early readers
  • Adjustable difficulty settings and timer options
  • More vocabulary words and content levels
  • Chapter 2 and additional game chapters
  • Ability to load custom images and family names
Show 6 more
  • Language switching within app without iPad settings change
  • Sight words and alphabet learning levels
  • Larger vocabulary library for junior games
  • Handwritten text recognition instead of tiles only
  • Divider for competitive multiplayer mode
  • British English and international vocabulary options

In-app purchases

1 purchases

Math Vs Undead

One-time1
  • Unlock all levels$4.99
None

Osmo Words Classic

No in-app purchases

Questions

Is Math Vs Undead free?
Math Vs Undead is free to download, with in-app purchases available.
Is Osmo Words Classic free?
Osmo Words Classic is free to download, with no in-app purchases.
Which has better reviews, Math Vs Undead or Osmo Words Classic?
Math Vs Undead is rated higher. Math Vs Undead averages 4.3 out of 5 from 148 ratings, while Osmo Words Classic averages 4.0 from 271 ratings.
Do Math Vs Undead or Osmo Words Classic have ads?
Math Vs Undead shows ads; Osmo Words Classic does not.
Which is updated more often, Math Vs Undead or Osmo Words Classic?
Math Vs Undead ships an update every 6 months, and Osmo Words Classic every 2 months. Most recently, Math Vs Undead was updated on October 23, 2026 and Osmo Words Classic on November 1, 2026.

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