Comparison

Mental Math Practice & Riddles vs ReflexJet

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

Head to head
About

Mental Math Practice & Riddles

Enhance your arithmetic and logic skills with engaging mini-games and puzzles. This app offers a variety of challenges, from timed math practices to creative equation building, designed to sharpen your cognitive abilities in a fun and relaxing way.

Highlights
  • Mental math challenges
  • Cross Math puzzles
  • Math riddles
  • Timed math practices
  • Connect numbers puzzles
  • Build equations
  • Reach the number challenges
Features
Read full description

Improve your math skills and relax with fun games that train your brain! With many different mini-games and exercises, you will have fun and get better at math. Mental Math Challenges: Get better at doing math in your head. Solve problems with addition, subtraction, multiplication, and division. The games get harder as you move to higher levels. Cross Math: A relaxing puzzle game. Place numbers in the right spots to make all the equations correct. Math Riddles: Solve logic and math puzzles using basic math you learned in school. Find the connection between numbers and shapes to solve the puzzles. Timed Math Practices: Try to solve math problems before time runs out. You can choose the math operations, the difficulty, and the time limit for your test. Connect Numbers: Drag and move numbers to make a correct equation. Build Equations: Finish the equations by putting number cards in the empty spaces. Reach the number: Place the math operators and numbers in the right spots to make an equation that equals the final number. Play Yosu Math Games for 10 minutes a day to improve your mental math and cognitive skills. It's a relaxing and fun way to exercise your brain.

About

ReflexJet

Features
Read full description

How fast is your brain? Find out. ReflexJet measures your cognitive abilities across 12 scientific brain tests — reaction time, memory, speed, focus and pattern recognition. Get your Brain Score (0-100), climb the tier system, and see how you compare to the world. 12 BRAIN TESTS ▸ REACTION TIME — Tap as fast as you can when the screen turns green. Average over 5 rounds. ▸ SEQUENCE MEMORY — Watch the pattern, repeat it back. Simon-says on a 3x3 grid. ▸ NUMBER MEMORY — Memorize a growing number, then type it from memory. ▸ AIM TRAINER — Hit 30 targets as fast as possible. Precision meets speed. ▸ STROOP TEST — The word says "Blue" but it's painted red. Tap the color, not the word. ▸ CHIMP TEST — Numbers appear, then hide. Tap them in order. Can you beat a chimp? ▸ TYPING SPEED — Type the sentence as fast and accurately as you can. Measured in WPM. ▸ VISUAL MEMORY — Tiles flash on a grid. Remember which ones lit up. ▸ VERBAL MEMORY — Words appear one by one. Have you seen this word before? ▸ GO / NO-GO — Tap green circles, ignore red ones. Speed ramps up. Don't slip. ▸ TRAIL MAKING — Numbers scattered on screen. Tap 1 through 25 in order, fast. ▸ SPEED MATCH — Two symbols flash. Same or different? You have 3 seconds. BRAIN SCORE & TIERS Every test contributes to your Brain Score (0-100) — a single number that captures your overall cognitive performance. Earn your tier: Elite, Fast, Average, or keep pushing. LEVEL UP XP system with 50 levels. Earn XP for every test, bonus XP for personal bests and elite scores. 17 achievements to unlock across reaction speed, memory, typing and more. COMPETE - Daily Challenge — one test per day, same for everyone worldwide - Ranked Mode — 6 random mini-tests, one combined score - 1v1 Multiplayer — invite a friend with a 6-digit code, play the same tests head-to-head - Global Leaderboards — weekly rankings TRACK EVERYTHING Per-test history, personal bests, streak tracking, and detailed stats. Watch your brain get faster over time. MORE - Works offline — syncs when you're back online - Dark & light themes - Sound effects and haptic feedback (toggleable) - 10 languages supported - No account required For gamers, students, and anyone curious about their cognitive performance.

Screenshots

Mental Math Practice & Riddles4 screens
ReflexJet4 screens

Verdict

The call

The clearest difference is in-app purchases: ReflexJet at none against Mental Math Practice & Riddles's 7. ReflexJet also leads on update cadence (every 8 days vs every 3 weeks). Mental Math Practice & Riddles's advantage is iOS requirement (13.4 vs 15.0). On price, ads 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. Mental Math Practice & Riddles sells 7 in-app purchases, starting at $0.99 per month. ReflexJet asks for nothing beyond the download.

UpkeepUpdate frequency

Mental Math Practice & Riddles ships an update every 3 weeks, ReflexJet every 8 days. The most recent releases landed on October 15, 2026 and October 1, 2026 respectively.

Scorecard3 real differences · 6 level
Mental Math Practice & Riddles versus ReflexJet: the parameters behind the verdict, then further details
ParameterMental Math Practice & RiddlesReflexJet
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 3 weeksEvery 8 days — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.4 — better15.0
Further details — not scored
Size34 MB65 MB
Age rating4+4+
DeveloperYesno LabsAzaza Farid

In-app purchases

7 purchases

Mental Math Practice & Riddles

Subscriptions6
  • Yosu Limited Offer: 1 month$0.991 Month
  • Yosu Limited Offer: 3 months$1.993 Months
  • Yosu Math Premium: 1 month$2.991 Month
Show 3 more
  • Yosu Limited Offer: 1 year$4.991 Year
  • Yosu Math Premium: 3 months$5.993 Months
  • Yosu Math Premium: 1 year$14.991 Year
One-time1
  • Yosu Math Limited Offer$3.99
None

ReflexJet

No in-app purchases

Questions

Is Mental Math Practice & Riddles free?
Mental Math Practice & Riddles is free to download, with in-app purchases available.
Is ReflexJet free?
ReflexJet is free to download, with no in-app purchases.
Do Mental Math Practice & Riddles or ReflexJet have ads?
Both Mental Math Practice & Riddles and ReflexJet show ads.
Which is updated more often, Mental Math Practice & Riddles or ReflexJet?
Mental Math Practice & Riddles ships an update every 3 weeks, and ReflexJet every 8 days. Most recently, Mental Math Practice & Riddles was updated on October 15, 2026 and ReflexJet on October 1, 2026.

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