Comparison

99math vs Three Rivers Community Schools

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

Three Rivers Community Schools

Stay informed with the official mobile app for students, parents, and staff. Receive push notifications for important news, access up-to-date event calendars, and easily share school events. Connect to school resources and online information.

Highlights
  • Push notifications for school news
  • Up-to-date event calendars
  • Easy event sharing
  • Access to school resources
  • Direct contact options (email, phone, navigation)
  • Export events to personal calendar
Features
Read full description

This is the official Three Rivers Community Schools mobile app. NOTE: This app is only useful for students, parents, and staff at this district. Subscribe to updates from your school and the district, and always have up-to-date event calendars and other information at hand. Other benefits: * Push notifications will keep you updated about school closures and other important news. * You’ll always have your school calendars and resources on hand and up-to-date. * Conveniently e-mail, phone, or navigate to the school, or reach the website, social media, and other online resources. * Spread the word about school events! To do so, tap on the event on the Calendar screen, then tap the Share icon. * Want school events in your regular Calendar app? Go to the Calendar screen, tap the Export icon (top right), and follow the instructions. Visit trschools.appazur.com to learn more. This is a new product designed for your district. If you have suggestions or problems, we welcome you to contact us using the Feedback feature on the Help screen. Thank you. Terms and Conditions: trschools.appazur.com/help/terms Three Rivers Community Schools 851 Sixth Ave. Three Rivers, MI 49093

Screenshots

99math4 screens
Three Rivers Community Schools2 screens

Verdict

The call

The clearest difference is rating: 99math at 4.5 against Three Rivers Community Schools's 3.0. 99math also leads on ratings volume (694 vs 2). Three Rivers Community Schools's advantage is in-app purchases (none vs 7) and update cadence (fortnightly vs every 5 weeks). 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 7 in-app purchases, starting at $9.99 per month. Three Rivers Community Schools asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

99math holds the better App Store score, 4.5 against 3.0. That said, the two scores are not equally well evidenced: 99math has 694 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

99math ships an update every 5 weeks, Three Rivers Community Schools fortnightly. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

Scorecard5 real differences · 5 level
99math versus Three Rivers Community Schools: the parameters behind the verdict, then further details
Parameter99mathThree Rivers Community Schools
PriceFreeFree
Rating4.5 (694 ratings) — better3.0 (2 ratings)
Positive reviews48.1% of reviews—
Number of ratings694 — better2
Update frequencyEvery 5 weeksFortnightly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size309 MB45 MB
Age rating4+4+
Developer99math OÜThree Rivers Community Schools

Customer experience

99math

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

Three Rivers Community Schools

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%

Bugs and requests

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

Three Rivers Community Schools

Not enough reviews yet to summarise bugs or requests.

In-app purchases

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
None

Three Rivers Community Schools

No in-app purchases

Questions

Is 99math free?
99math is free to download, with in-app purchases available.
Is Three Rivers Community Schools free?
Three Rivers Community Schools is free to download, with no in-app purchases.
Which has better reviews, 99math or Three Rivers Community Schools?
99math is rated higher. 99math averages 4.5 out of 5 from 694 ratings, while Three Rivers Community Schools averages 3.0 from 2 ratings.
Do 99math or Three Rivers Community Schools have ads?
Neither 99math nor Three Rivers Community Schools shows ads.
Which is updated more often, 99math or Three Rivers Community Schools?
99math ships an update every 5 weeks, and Three Rivers Community Schools fortnightly. Most recently, 99math was updated on November 4, 2026 and Three Rivers Community Schools on October 30, 2026.

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