Comparison

Big Math Flash Cards vs 99math

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

Head to head
About

Big Math Flash Cards

This app provides a digital flash card experience for practicing basic arithmetic operations. Users can flip cards, select answers, and track their progress with score percentages and elapsed time. Additional features for reviewing mistakes, custom sets, and different input modes are available through in-app purchases.

Highlights
  • Addition, Subtraction, Multiplication, Division
  • Configurable number of questions and answers
  • Score percentage and elapsed time tracking
  • Selectable color themes and sound options
  • Review incorrect answers (in-app purchase)
  • Custom card sets (in-app purchase)
Features
Read full description

Highly rated by teachers, parents and kids of all ages! Flip the card just like a real flash card! Simple, clean and easy to use interface. The front side of the card shows the question and the back side of the card shows the possible answers. Just tap to flip the card. Once you answer the question correctly, flick the card off the screen by swiping up. Features * Addition, Subtraction, Multiplication, Division * Score percentage and elapsed time displayed * Configurable number of questions * Configurable number of answers for multiple choice * Supports landscape or portrait card display modes * Selectable flash card color themes * Turn all sounds on or off Other great features available via "In App Purchase" * Review Incorrect - review the questions that were answered incorrectly * Score Cards - view and review past scores and questions * Specific Numbers - customize the first and second number ranges * Mixed Operations - ability to have cards with mixed operators * Flash Card Mode - displays the answer instead of multiple choice (swipe up to mark the card correct, swipe down to mark the card incorrect) * Manual Entry Mode - type your answer instead of selecting from a choice of possible answers * Custom Cards - make your own custom card set questions * Time Per Card - allows you to set a time limit for each card

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

Big Math Flash Cards4 screens
99math4 screens

Verdict

The call

The clearest difference is review sentiment: Big Math Flash Cards at 77% against 99math's 47%. Big Math Flash Cards also leads on rating (4.2 vs 3.8) and ratings volume (40K vs 182). On price, update cadence, 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. Big Math Flash Cards sells 7 one-off in-app purchases and 99math sells 15 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

Big Math Flash Cards holds the better App Store score, 4.2 against 3.8. That said, the two scores are not equally well evidenced: Big Math Flash Cards has 40K ratings behind it against 182, so its average is the more settled of the two. Written reviews point the same way: 77% of Big Math Flash Cards's written reviews are positive against 47% of 99math's.

UpkeepUpdate frequency

Big Math Flash Cards ships an update every 2 months, 99math every 5 weeks. Both last shipped on October 18, 2026.

Scorecard3 real differences · 7 level
Big Math Flash Cards versus 99math: the parameters behind the verdict, then further details
ParameterBig Math Flash Cards99math
PriceFreeFree
Rating4.2 (40K ratings) — better3.8 (182 ratings)
Positive reviews77.0% of reviews — better46.9% of reviews
Number of ratings40K — better182
Update frequencyEvery 2 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size3 MB304 MB
Age rating4+4+
DeveloperMasato Takagi99math OÜ

Customer experience

Big Math Flash Cards

All ratings39,977 ratings
Positive79.8%
Neutral5.5%
Negative14.7%
Written reviews1,031 reviews
Positive77.0%
Neutral6.7%
Negative16.3%

99math

All ratings182 ratings
Positive67.0%
Neutral4.4%
Negative28.6%
Written reviews49 reviews
Positive46.9%
Neutral4.1%
Negative49.0%

Bugs and requests

Big Math Flash Cards

Reported bugs

2 issues
  • Incorrect answers marked as wrong
  • Glitches when swiping answers

Requested features

5 requests
  • More difficulty levels
  • Ability to choose specific math operations
  • Addition of word problems
  • Inclusion of fractions and exponents
  • Gamification and rewards system

99math

Not enough reviews yet to summarise bugs or requests.

In-app purchases

7 purchases

Big Math Flash Cards

One-time7
  • Review Incorrect$0.99
  • Score Cards$0.99
  • Specific Numbers$0.99
Show 4 more
  • Mixed Operations$0.99
  • Levels 4,5,6$0.99
  • Flash Card Mode$0.99
  • All Bundle$4.99
15 purchases

99math

Subscriptions3
  • Monthly Pass1 Month trial$9.991 Month
  • Monthly Pass$9.991 Month
  • Yearly Pass$59.991 Year
One-time12
  • mBucks 20 pack$1.99
  • mBucks 40 pack$3.99
  • mBucks 84 pack$7.99
Show 9 more
  • mBucks 88 pack$7.99
  • mBucks 2100 pack$9.99
  • mBucks 200 pack$17.99
  • mBucks 4500 pack$19.99
  • mBucks 260 pack$19.99
  • mBucks 7600 pack$29.99
  • mBucks 500 pack$39.99
  • mBucks 1330 pack$49.99
  • Math Pass lifetime$149.99

Questions

Is Big Math Flash Cards free?
Big Math Flash Cards 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, Big Math Flash Cards or 99math?
Big Math Flash Cards is rated higher. Big Math Flash Cards averages 4.2 out of 5 from 40K ratings, while 99math averages 3.8 from 182 ratings.
Do Big Math Flash Cards or 99math have ads?
Neither Big Math Flash Cards nor 99math shows ads.
Which is updated more often, Big Math Flash Cards or 99math?
Big Math Flash Cards ships an update every 2 months, and 99math every 5 weeks. Most recently, Big Math Flash Cards was updated on October 18, 2026 and 99math on October 18, 2026.

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