Comparison

99math vs ZapMath!

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

Head to head
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/

About

ZapMath!

This app makes math practice engaging for K-5 students with adaptive difficulty and fun learning modes. It covers essential arithmetic operations and provides instant feedback to build confidence. Designed by a parent, it prioritizes a safe and distraction-free learning environment.

Highlights
  • Adaptive difficulty levels
  • Addition, subtraction, multiplication, division, percentages, fractions
  • Multiple choice and direct entry modes
  • Zen Mode for untimed practice
  • Instant feedback with haptic responses
  • Detailed results and progress tracking
  • 100% safe and free
Features
Read full description

ZapMath! - Fun Math Practice for Kids Make math practice exciting for your K-5 student with ZapMath! Created by a dad for his three elementary-aged kids, this completely free app helps children build strong arithmetic skills through engaging, adaptive learning. Perfect for K-5 Students ZapMath is specifically designed for kindergarten through 5th grade students, with content that grows alongside your child's mathematical abilities. Six Essential Math Operations • Addition - Build foundational number sense • Subtraction - Master taking away and differences • Multiplication - Learn times tables with confidence • Division - Understand sharing and grouping • Percentages - Introduce real-world math concepts • Fractions - Visualize parts of a whole Three Adaptive Difficulty Levels • Easy (K-2): Perfect for young learners just starting their math journey • Medium (3-4): Ideal for students building confidence with larger numbers • Hard (5+): Challenge advanced learners with complex problems Flexible Learning Modes • Multiple Choice: Great for building recognition and confidence • Direct Entry: Perfect for practicing precise calculation skills • Surprise Me: Random challenges to keep learning fresh and exciting • Zen Mode: Endless practice without time pressure Smart Features for Better Learning • Optional timer to build speed and fluency • Lightning-fast feedback with satisfying haptic responses • Detailed results with letter grades and time tracking • Encouraging messages that celebrate progress 100% Safe and Free • No ads to distract from learning • No in-app purchases or hidden costs • No data collection - your child's privacy is protected • Created by a parent who understands what families need Why Kids Love ZapMath: The instant feedback, encouraging messages, and variety of challenges make math practice feel more like playing a game than doing homework. Perfect For: • Homeschool families seeking quality math practice • Parents wanting to supplement classroom learning • Teachers looking for engaging math activities • Kids who need extra practice with arithmetic • Students preparing for standardized tests Download ZapMath today and watch your child's confidence in math soar! Made for young mathematicians everywhere.

Screenshots

99math4 screens
ZapMath!4 screens

Verdict

The call

The clearest difference is rating: ZapMath! at 5.0 against 99math's 3.8. ZapMath! also leads on in-app purchases (none vs 15) and update cadence (every 5 days vs every 5 weeks). 99math's advantage is ratings volume (155 vs 4). On price, ads, device support and iOS requirement 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. 99math sells 15 in-app purchases, starting at $9.99 per month. ZapMath! asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

ZapMath! holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: 99math has 155 ratings behind it against 4, so its average is the more settled of the two.

UpkeepUpdate frequency

99math ships an update every 5 weeks, ZapMath! every 5 days. The most recent releases landed on September 21, 2026 and July 5, 2026 respectively.

Scorecard5 real differences · 5 level
99math versus ZapMath!: the parameters behind the verdict, then further details
Parameter99mathZapMath!
PriceFreeFree
Rating3.8 (155 ratings)5.0 (4 ratings) — better
Positive reviews47.8% of reviews—
Number of ratings155 — better4
Update frequencyEvery 5 weeksEvery 5 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.6
Further details — not scored
Size301 MB16 MB
Age rating4+4+
Developer99math OÜSteven Engelbrecht

Customer experience

99math

All ratings155 ratings
Positive68.4%
Neutral5.2%
Negative26.5%
Written reviews46 reviews
Positive47.8%
Neutral4.3%
Negative47.8%

ZapMath!

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

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
None

ZapMath!

No in-app purchases

Questions

Is 99math free?
99math is free to download, with in-app purchases available.
Is ZapMath! free?
ZapMath! is free to download, with no in-app purchases.
Which has better reviews, 99math or ZapMath!?
ZapMath! is rated higher. 99math averages 3.8 out of 5 from 155 ratings, while ZapMath! averages 5.0 from 4 ratings.
Do 99math or ZapMath! have ads?
Neither 99math nor ZapMath! shows ads.
Which is updated more often, 99math or ZapMath!?
99math ships an update every 5 weeks, and ZapMath! every 5 days. Most recently, 99math was updated on September 21, 2026 and ZapMath! on July 5, 2026.

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