Comparison

Monster Math 2 vs 99math

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

Head to head
About

Monster Math 2

This app makes learning math skills fun for children in kindergarten through fifth grade. It covers a wide range of topics from basic geometry to fractions and decimals through an engaging adventure game. Detailed reports help parents track their child's progress and identify areas for improvement.

Highlights
  • Practice 67+ math skills
  • Geometry, addition, subtraction, multiplication, division
  • Fractions and decimals
  • Engaging adventure storyline
  • Adaptive gameplay
  • Detailed progress reports
  • Aligned with Common Core standards
Features
Read full description

Monster Math helps your child practice and learn over 67 math skills within basic geometry, addition, subtraction, multiplication, division, factors, multiples, prime numbers, fractions and decimals. It is suited for Grades K – 5, with standard skill presets aligned with Common Core standards. These are also customisable to suit your kids’ aptitude and you can move to advanced or basic skills with a simple toggle. Detailed reports allow you to get an in-depth view of how the kids are progressing in math! Monster Math has: 4 Different Worlds 23 game characters Superior gameplay features and more interactivity for the kids Custom-made artwork and soundtrack While kids explore new worlds with new characters, they don’t even realize they are getting better and faster at math! Monster Math is a hugely better approach to practicing mental math and doing math drills. It is designed to quiz multiple skills at once; unlike flash cards or simple quiz based apps, which only ask one question at a time. Kids love Monster Math! Monster Math Features: Tons of Adventure • Become Maxx and rescue your best friend Juno from the clutches of evil monsters! Your child can follow an engaging storyline as Maxx runs through multiple worlds and levels. Learn and Practice Math • Monster Math is better than homework, and it’s the perfect math trainer for your child. Monster Math has adaptive gameplay that adjusts to your child's current progress. In-Depth Reporting • Learn how your child is doing with the Common Core Standards for math. See where they need help. You can even get a skill-specific analysis, as well as weekly email updates. Unlock More with Monster Math! • Monster Math is your child’s personal math trainer. It takes your child through 20 levels in 4 different worlds, encountering strange and funny monsters. And they defeat these monsters using basic math and problem solving skills that they use in class every day! With Monster Math your child will learn: Basic Geometry • Identify shapes on various attributes • Symmetry Addition & Subtraction • Addition up to 20 • Subtraction up to 20 • Two-digit addition without carry over • Two-digit subtraction without borrowing Multiplication & Division • Times Tables of 1 to 12 • Divide by numbers 1 to 12 • Multiply single-digit numbers by multiples of 10 Primes, Factors and Multiples Fractions • Visual representations (1/b, a/b) • Equivalence • Whole numbers as Fractions • Comparing fractions • Basic fraction addition Decimals • Decimal equivalents to given fractions and vice-versa Common Core Standards: K.G.2, K.G.3, K.G.4, K.OA.5, 1.G.1, 1.G.3, 1.NBT.4, 1.OA.3, 2.G.1, 2.G.3, 2.NBT.5, 2.OA.2, 3.G.1, 3.OA.7, 3.NBT.2, 3.NBT.3, 3.NF.1, 3.NF.3, 4.G.3, 4.OA.1, 4.NF.2, 4.NF.3, 4.NF.6. Let your kids practice all of their basic math skills and problem solving while they have fun. Download Monster Math now! Subscription info: - Monster Math can be purchased standalone, or as part of a makkajai subscription. - Makkajai subscriptions are auto-renewable and annual. Genius - $59.99/yr - Payment will be charged to iTunes Account at confirmation of purchase - Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period - Account will be charged $59.99 for renewal within 24-hours prior to the end of the current period - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user’s Account Settings after purchase - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable - Cancellation will not go into effect until the end of the monthly billing cycle For support, questions or comments, write to us at: support@makkajai.com Privacy policy: http://www.makkajai.com/privacy-policy Terms of use: http://www.makkajai.com/terms

About

99math

This app makes math practice fun and engaging for children in grades 1-6 through gamified exercises. It offers interactive learning with real-time feedback, rewards, and customizable elements to keep kids motivated. The app also supports classroom assignments and remote learning.

Highlights
  • Gamified math practice
  • Interactive learning with feedback
  • Collectibles and rewards system
  • Classroom and assignment features
  • Customizable avatars and pets
  • Tailored to grades 1-6
Features
Read full description

Math can be fun and easy! 99math offers a gamified practice that gets kids excited and keeps them motivated. Elevate your child's math skills and make learning enjoyable! Designed for kids in grades 1 to 6, 99math is the ultimate math practice app that transforms learning into an engaging adventure. WHY 99MATH? INTERACTIVE LEARNING: Say goodbye to boring math drills! 99math provides over 1000+ math skills to practice, giving real-time feedback on progress and offering interactive learning. CLASSROOM AND ASSIGNMENTS: Join your class, connect with your teacher, and complete assignments right from the app. 99math makes remote learning easy and enjoyable. COLLECTIBLES AND REWARDS: Motivate your child to excel in math with stickers, cool avatars, and a customizable pet park. Children thrive as they earn rewards for their achievements. SUITABLE FOR YOUR LEVEL: Designed for Grades 1-6 and tailored to kids of various math levels, 99math covers a wide range of math skills, from basic arithmetic to more advanced concepts. MATH PASS: While 99math is free for everyone, to speed up learning and make it even more fun, it is possible to buy a monthly or yearly subscription to 99math's Math Pass. It allows faster energy regeneration, meaning more math to be solved. And it also unlocks a premium rewards track, meaning more awards for all the math problems solved! Elevate your child's math skills, boost their confidence, and make learning enjoyable with 99math. Try it now and see the difference! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Monster Math 24 screens
99math4 screens

Verdict

The call

Monster Math 2 and 99math both sit at 4.5 stars, but that hides the real split: 63% of Monster Math 2's written reviews are positive against 48% of 99math's. Monster Math 2 also leads on update cadence (fortnightly vs every 5 weeks) and ratings volume (6.5K vs 694). On price, rating, ads and in-app purchases 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. Monster Math 2 sells 5 in-app purchases, starting at $59.99 per year and 99math sells 7 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.5 for Monster Math 2 against 4.5 for 99math. That said, the two scores are not equally well evidenced: Monster Math 2 has 6.5K ratings behind it against 694, so its average is the more settled of the two. Written reviews are what separate them: 63% of Monster Math 2's written reviews are positive against 48% of 99math's.

UpkeepUpdate frequency

Monster Math 2 ships an update fortnightly, 99math every 5 weeks. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.

Scorecard4 real differences · 6 level
Monster Math 2 versus 99math: the parameters behind the verdict, then further details
ParameterMonster Math 299math
PriceFreeFree
Rating4.5 (6.5K ratings)4.5 (694 ratings) — better
Positive reviews63.3% of reviews — better48.1% of reviews
Number of ratings6.5K — better694
Update frequencyFortnightly — betterEvery 5 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size181 MB309 MB
Age rating4+4+
DeveloperMakkajai Edu Tech Private Limited99math OÜ

Customer experience

Monster Math 2

All ratings6,535 ratings
Positive85.7%
Neutral6.1%
Negative8.2%
Written reviews150 reviews
Positive63.3%
Neutral6.0%
Negative30.7%

99math

All ratings193 ratings
Positive66.8%
Neutral4.7%
Negative28.5%
Written reviews52 reviews
Positive48.1%
Neutral3.8%
Negative48.1%

User reviews

Monster Math 2

From 6.5K App Store ratings

What we love

  • 👍 Fun and educational
  • 🚀 Engaging gameplay
  • 💡 Customizable math practice
  • 👍 Helps improve math skills
  • 👍 Great for kids

Room to improve

  • 💰 Requires paid subscription
  • 🐛 Occasional crashes or bugs
  • 💰 In-app purchases required to progress
  • 🤑 Expensive subscription model

99math

From 694 App Store ratings

What we love

  • 🤩 Makes math fun
  • 👍 Good for learning
  • 💖 Teaches kids math
  • 🌟 Amazing game
  • 💯 Very fun

Room to improve

  • 💸 Charges money quickly
  • 💰 Expensive premium
  • 💳 Subscription issues
  • 📉 Limited free play
  • 💸 High cost for premium

Bugs and requests

Monster Math 2

Reported bugs

3 issues
  • Login issues
  • Incompatibility with older devices
  • Incorrect answers sometimes marked as correct

Requested features

4 requests
  • Free access to all levels
  • More free content and features
  • Ability to play with friends
  • Better progression system

99math

Reported bugs

15 issues
  • App crashes randomly
  • Account deleted randomly
  • Forces subscription payment
  • Won't load
  • Resets progress
Show 10 more
  • Pet egg deleted
  • Lost all pets/progress
  • Can't play after few lessons
  • Login issues
  • Subscription not working
  • App glitches
  • Reloads in a loop
  • Stuck on reward screen
  • Progress restarts
  • Daily challenge only

Requested features

9 requests
  • Fix bugs with customization
  • Make pet hatching faster
  • Allow playing more mini-games
  • Add sign in with Clever
  • Allow upgrading duplicate pets
Show 4 more
  • Fix emotes not appearing
  • Explain how to get special pets
  • Improve AI/avatars
  • Make app feel more human

In-app purchases

5 purchases

Monster Math 2

Subscriptions4
  • Expert Annual Subscription7 Days trial$59.991 Year
  • Genius Annual Subscription7 Days trial$59.991 Year
  • Genius All-apps Subscription7 Days trial$59.991 Year
Show 1 more
  • Makkajai Genius Subscription7 Days trial$59.991 Year
One-time1
  • Unlock Full Version$9.99
7 purchases

99math

Subscriptions3
  • Monthly Pass1 Month trial$9.991 Month
  • Monthly Pass$9.991 Month
  • Yearly Pass$59.991 Year
One-time4
  • mBucks 2100 pack$9.99
  • mBucks 4500 pack$19.99
  • mBucks 7600 pack$29.99
Show 1 more
  • Math Pass lifetime$149.99

Questions

Is Monster Math 2 free?
Monster Math 2 is free to download, with in-app purchases available.
Is 99math free?
99math is free to download, with in-app purchases available.
Which has better reviews, Monster Math 2 or 99math?
99math is rated higher. Monster Math 2 averages 4.5 out of 5 from 6.5K ratings, while 99math averages 4.5 from 694 ratings.
Do Monster Math 2 or 99math have ads?
Neither Monster Math 2 nor 99math shows ads.
Which is updated more often, Monster Math 2 or 99math?
Monster Math 2 ships an update fortnightly, and 99math every 5 weeks. Most recently, Monster Math 2 was updated on November 6, 2026 and 99math on November 4, 2026.

Other comparisons