Comparison

Math Vs Undead vs RichEnglish

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

RichEnglish

Expand your English vocabulary by playing fun word games. This app generates an unlimited number of crosswords based on synonyms and definitions. Hints are available to help you discover new words and phrases.

Highlights
  • Unlimited crossword generation
  • Vocabulary expansion
  • Synonym-based word finding
  • Word definitions and explanations
  • Hint system with gold coins
  • New puzzle generation
Features
Read full description

Shakespeare’s vocabulary consisted of about 31,000 words. According to one estimate, the average speaker of English knows between 10,000-20,000 words. If you'd like to expand your vocabulary and get closer to the great playwright - do it with Rich English! And do it while playing and having fun! Using the expansive word database and beautiful templates Rich English can generate practically an unlimited number of crosswords. The goal of Rich English is to find a word based on a list of its synonyms or words and expressions that have similar meaning. To make this task easier many words have an additional explanation. Also the crosswords can include cells filled with gold coin (hints). When crossword is completed or perhaps you are just bored with it, tap the 'New' button to make a brand new one.

Screenshots

Math Vs Undead4 screens
RichEnglish4 screens

Verdict

The call

The clearest difference is review sentiment: RichEnglish at 100% against Math Vs Undead's 48%. RichEnglish also leads on ads (none vs shown). Math Vs Undead's advantage is update cadence (every 6 months vs every 15 months) and iOS requirement (13.0 vs 17.2). On price, in-app purchases, 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 and RichEnglish sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Math Vs Undead ships an update every 6 months, RichEnglish every 15 months. The most recent releases landed on October 23, 2026 and October 6, 2026 respectively.

Scorecard4 real differences · 6 level
Math Vs Undead versus RichEnglish: the parameters behind the verdict, then further details
ParameterMath Vs UndeadRichEnglish
PriceFreeFree
Rating4.3 (148 ratings) — better—
Positive reviews48.1% of reviews100.0% of reviews — better
Number of ratings148 — better—
Update frequencyEvery 6 months — betterEvery 15 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better17.2
Further details — not scored
Size133 MB4 MB
Age rating9+9+
DeveloperPeakselGalina Tereshchenko

Customer experience

Math Vs Undead

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

RichEnglish

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Math Vs Undead

One-time1
  • Unlock all levels$4.99
4 purchases

RichEnglish

One-time4
  • 15 hints$0.99
  • RichEnglish Premium$1.99
  • 35 hints$1.99
Show 1 more
  • 60 hints$2.99

Questions

Is Math Vs Undead free?
Math Vs Undead is free to download, with in-app purchases available.
Is RichEnglish free?
RichEnglish is free to download, with in-app purchases available.
Do Math Vs Undead or RichEnglish have ads?
Math Vs Undead shows ads; RichEnglish does not.
Which is updated more often, Math Vs Undead or RichEnglish?
Math Vs Undead ships an update every 6 months, and RichEnglish every 15 months. Most recently, Math Vs Undead was updated on October 23, 2026 and RichEnglish on October 6, 2026.

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