Comparison

Ace Math Flash Cards vs Monster Math 2

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

Head to head
About

Ace Math Flash Cards

Practice fundamental arithmetic operations with customizable flashcards. Focus on specific math skills by setting your own problem parameters and choose from various operators. Enhance learning with features like multiple choice, mistake review, and timed sessions.

Highlights
  • Customizable problem sets
  • Addition, subtraction, multiplication, division
  • Multiple choice option
  • Redo mistakes feature
  • Timed practice sessions
  • Mix operators
Features
Read full description

Math Cards ! ! is a great way to learn and practice addition, subtraction, multiplication, and division. Customize your own problem sets to focus on your needs. Set the top numbers and bottom numbers for each operator. Original Version Features: 1) Choose from the following operators: +, -, x, ÷ 2) Set the top and bottom addends for addition 3) Set the top and bottom numbers for subtraction 4) Set the top and bottom factors for multiplication 5) Set the divisors and quotients for division 6) Allow negative answers for subtraction if desired 7) Set the timer on or off 8) Set the number of problems in the problem set Additional Features in This Version: 1) Multiple choice option 2) Random or sequential card order 3) "Redo Mistakes" button for additional practice of incorrectly answered problems 4) "Mix" operator to mix operators (+,-,x,÷) in problem set 5) Larger top and bottom addends for addition 6) Larger top and bottom numbers for subtraction 7) Larger top and bottom factors for multiplication 8) Larger divisors and quotients for division If you like this app, please consider giving it a rating. Your support will help keep the updates coming! Thank you for your support!

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

Screenshots

Ace Math Flash Cards4 screens
Monster Math 24 screens

Verdict

The call

The clearest difference is rating: Monster Math 2 at 4.5 against Ace Math Flash Cards's 4.0. Monster Math 2 also leads on ads (none vs shown) and update cadence (fortnightly vs every 8 months). Ace Math Flash Cards's advantage is in-app purchases (none vs 5) and review sentiment (85% vs 63%). On price 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. Monster Math 2 sells 5 in-app purchases, starting at $59.99 per year. Ace Math Flash Cards asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Monster Math 2 holds the better App Store score, 4.5 against 4.0. Both are backed by a comparable volume of ratings — 2K and 6.5K respectively. Written reviews complicate that: 85% of Ace Math Flash Cards's written reviews are positive against 63% of Monster Math 2's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Ace Math Flash Cards ships an update every 8 months, Monster Math 2 fortnightly. The most recent releases landed on September 19, 2026 and September 22, 2026 respectively.

Scorecard8 real differences · 2 level
Ace Math Flash Cards versus Monster Math 2: the parameters behind the verdict, then further details
ParameterAce Math Flash CardsMonster Math 2
PriceFreeFree
Rating4.0 (2K ratings)4.5 (6.5K ratings) — better
Positive reviews84.9% of reviews — better63.3% of reviews
Number of ratings2K6.5K — better
Update frequencyEvery 8 monthsFortnightly — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size13 MB181 MB
Age rating4+4+
DeveloperHorizon Business, Inc.Makkajai Edu Tech Private Limited

Customer experience

Ace Math Flash Cards

All ratings1,957 ratings
Positive73.4%
Neutral5.8%
Negative20.8%
Written reviews93 reviews
Positive84.9%
Neutral6.5%
Negative8.6%

Monster Math 2

All ratings6,533 ratings
Positive85.7%
Neutral6.1%
Negative8.2%
Written reviews150 reviews
Positive63.3%
Neutral6.0%
Negative30.7%

User reviews

Ace Math Flash Cards

From 2K App Store ratings

What we love

  • 🤩 Amazing app
  • 👍 Helpful for learning math
  • 🚀 Efficient practice
  • 💎 Great for kids
  • 🎉 Fun and engaging

Room to improve

  • 🐛 Occasional crashes or glitches
  • 🔍 Difficult to find settings
  • 🔊 Distracting wrong answer sounds
  • 🕰️ Limiting number of questions

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

Bugs and requests

Ace Math Flash Cards

Reported bugs

2 issues
  • Addition and subtraction questions limited to 9 problems
  • Multiple choice option not working on iPad

Requested features

3 requests
  • Provide correct answers when mistakes are made
  • Expand question range and customization options
  • Add more visual/audio feedback for progress

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

In-app purchases

None

Ace Math Flash Cards

No 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

Questions

Is Ace Math Flash Cards free?
Ace Math Flash Cards is free to download, with no in-app purchases.
Is Monster Math 2 free?
Monster Math 2 is free to download, with in-app purchases available.
Which has better reviews, Ace Math Flash Cards or Monster Math 2?
Monster Math 2 is rated higher. Ace Math Flash Cards averages 4.0 out of 5 from 2K ratings, while Monster Math 2 averages 4.5 from 6.5K ratings.
Do Ace Math Flash Cards or Monster Math 2 have ads?
Ace Math Flash Cards shows ads; Monster Math 2 does not.
Which is updated more often, Ace Math Flash Cards or Monster Math 2?
Ace Math Flash Cards ships an update every 8 months, and Monster Math 2 fortnightly. Most recently, Ace Math Flash Cards was updated on September 19, 2026 and Monster Math 2 on September 22, 2026.

Other comparisons