Best 3Rd Grade Math Mental Apps & Games

247+ iOS apps & games curated and reviewed

4.5 avg rating
18 free apps & games
Updated September 2026

With an average user rating of 4.5★, the 3rd grade math mental category is one of the App Store's strongest. Browse all 247+ apps and games we track, sorted so the most loved ones surface first.

Compare top 3Rd Grade Math Mental Apps & Games (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Third Grade Learning GamesThird Grade Learning GamesFree4.3★ (20K)NoYesSep 2026
2Math Makers: Kids School GamesMath Makers: Kids School GamesFree4.7★ (2.9K)NoYesSep 2026
3Monster Numbers: Mental MathMonster Numbers: Mental Math$2.994.4★ (86)NoNoSep 2026
4Math Problems 1st - 12th GradeMath Problems 1st - 12th GradeFree4.7★ (12K)YesYesSep 2026
5Cuemath: Math Learning GamesCuemath: Math Learning GamesFree4.6★ (3.2K)YesYesSep 2026
6Quant - Mental MathQuant - Mental MathFree3.9★ (7)NoYesMay 2026
7Mathprac: Mental Math PracticeMathprac: Mental Math PracticeFree5.0★ (1)NoYesJul 2026
8Calcul Mental in SpaceCalcul Mental in SpaceFree4.4★ (573)YesYesSep 2026

Top Picks for 3Rd Grade Math Mental

Third Grade Learning Games#1

Third Grade Learning Games by RosiMosi LLC

Math & Reading App for Kids
Editor's Choice
📚 Education
4.3😐(20K ratings)
FreeIn-App Purchases
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This app offers 21 engaging games designed to teach third-grade students essential math, reading, science, and critical thinking skills. Aligned with third-grade curriculums, it uses colorful visuals, voice narration, and fun sound effects to keep children entertained while they learn. Progress reports and customizable lesson plans help track development.

What We Love

  • 🚀 Helps kids learn effectively
  • 👍 Fun and engaging for children
  • 📈 Improves academic performance

Room to Improve

  • 🐛 Buggy star/scoring system
  • 💰 Excessive paid content
  • 🤔 Confusing or unclear instructions
Math Makers: Kids School Games#2

Math Makers: Kids School Games by Ululab

1st, 2nd, 3rd, 4th, 5th Grade
Strong Contender
📚 Education
4.7😊(2.9K ratings)
FreeIn-App Purchases
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This app offers over 600 math exercises for children aged 6-10, designed to improve problem-solving skills and academic performance. It features engaging gameplay that hides math lessons within puzzles, making learning fun and effective. Parents and teachers report significant improvements in math understanding and confidence.

What We Love

  • 👍 Engaging and fun learning experience
  • 🤔 Helps develop logic and problem-solving skills
  • 💡 Integrates math concepts seamlessly into gameplay
  • 🎨 Appealing and age-appropriate visuals
  • 🧠 Effective for reinforcing math skills

Room to Improve

  • 🔒 Subscription required to access full app
  • 🐛 Occasional bugs and glitches reported
  • 💰 Concerns about high subscription cost
  • ⏱️ Repetitive gameplay for some users
  • 🤔 Unclear how to cancel subscription
Monster Numbers: Mental Math#3

Monster Numbers: Mental Math by Didactoons Games SL

Learning activities for kids
Worth Considering
🎮 Games
4.4(86 ratings)
$2.99
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This engaging math game helps children aged 4-14 improve their arithmetic skills. It adapts to each child's age and learning level, offering a mix of fun activities and skill-testing challenges. Designed by teachers, it aims to make learning math enjoyable and support school routines.

More 3Rd Grade Math Mental apps to explore

FAQ about 3Rd Grade Math Mental

What are the best 3rd grade math mental apps & games for iPhone?
Third Grade Learning Games tops our 3rd grade math mental apps & games ranking as of September 2026, with a 4.3-star average from 20K App Store ratings, and it's free to download.
Yes — 18 of the top 3rd grade math mental apps & games we rank are free to download, including Third Grade Learning Games and Math Makers: Kids School Games.
Third Grade Learning Games has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 247+ 3rd grade math mental apps & games on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app covers a wide range of third-grade subjects including Math (decimals, fractions, multiplication, geometry, measurement, rounding, timed facts), Language and Reading (sentence jumble, parts of speech, syllables, tense, analogies, prefixes, reading comprehension), and Science (food chain, solar system, water cycle, sound, nutrition, recycling, erosion).
The app provides detailed progress reports that help parents and teachers monitor a child's development across various subjects and skills. This allows for targeted practice and identification of areas needing more attention.