Comparison

Mental Math Quiz vs KEMIplay

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

Head to head
About

Mental Math Quiz

Practice mental math skills through engaging games and challenges. Earn rewards and unlock new content as you improve your math fluency. Offers customized daily practice and adaptive learning to help users of all ages master math facts.

Highlights
  • Gamified math practice
  • Reward system with rare cards
  • Customized daily practice
  • Adaptive learning from errors
  • Progress tracking and rewards chest
  • Family-friendly math games
Features
Read full description

Dig into math, win rare cards! the exciting app that turns mental math practice into a treasure hunt for kids and families! Sharpen your brain with fun math games and earn rare cards as you solve problems. Whether you're cracking the tricky block puzzle or racing to solve the toughest to win big, every correct answer brings you closer to claiming your rewards! Tailor your math journey with customized daily practice to focus on what you need most. Made a mistake? No worries! Our smart quiz learns from your errors to help you get better. Watch your progress grow as you check rewards in your chest and nurture your lucky plant with every success. With fun for the whole family, Math Mole makes math a blast for everyone! Join the adventure, solve fast, and stack up your reward today! A special thanks to my daughter, Anna(1st grade), for testing this update and inspiring delightful new features. Her creativity helped bring this update to life. "Our whole family loves this app! This is so much fun and is getting my girls to really focus on math facts fluency and get motivated to answer the problems quickly. Cool multiplication games for kids and adults!" - App Store Review "Perfect! This is exactly what I was looking for. It runs well. I love writing the problem out, and it has a clean and professional look to it. I master all times tables! Thank you." - App Store Review "My kid love this math drills app, they now get a+ in math from this app they use to get b+! It's ready for students of all ages to practice!" - App Store Review Always, love to hear your thoughts: shrekdad@gmail.com SUBSCRIPTION PRICING & TERMS Math Mole is free to download. Everyone is welcome to a free 3-day trial period of the Pro Unlimited in-app purchase, Pro Unlimited gives you unlimited access to our premium features and contents. - There is a weekly subscription option, with price as listed in your localized app store ($4.99/week in the United States) - Payment will be charged to your iTunes Account at confirmation of your subscription - Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period - Account will be charged for renewal within 24-hours prior to the end of the current period, and at the cost of the chosen package - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase - Links to Your Privacy Policy and Terms of Use at https://shrekdad.github.io/1498107670_tos.html - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication - At the end of your subscription, you will be able to keep any content that your received while your subscription was active.

About

KEMIplay

Features
Read full description

Learning math should be exciting, rewarding and fun. KEMIplay – MathWorld transforms everyday math practice into an adventure where children explore, discover and solve engaging challenges while building real mathematical confidence. Designed for Grades 1–9, MathWorld supports 21 school curricula and also includes Dynamic Mode, allowing children to practise mathematics freely without following a specific curriculum. With more than 110 curriculum-based math concepts, children strengthen essential mathematical skills including: • Counting • Number Recognition • Addition • Subtraction • Multiplication • Division • Fractions • Decimals • Percentages • Place Value • Measurement • Time • Geometry • Data & Graphs • Algebra Foundations • Problem Solving ...and much more. Choose the curriculum that matches your school or switch to Dynamic Mode to practise a wide variety of mathematical concepts regardless of curriculum. Whether your child is preparing for tomorrow's lesson, reinforcing classroom learning, catching up on difficult topics or simply enjoys solving math challenges, MathWorld adapts to the way they learn. Learning happens through a growing collection of unique interactive Vaults. Each Vault presents mathematics in a different way, encouraging exploration, logical thinking and problem solving while making practice enjoyable and rewarding. MathWorld is designed for: • Daily practice • Classroom support • Homework • Revision • Homeschooling • Refreshing forgotten skills Features • Supports Grades 1–9 • 21 school curricula • Dynamic Mode for curriculum-free practice • 110+ curriculum-based math concepts • A growing collection of interactive Vaults • Child-friendly interface • Designed for home and classroom use • No advertisements • No subscriptions • No microtransactions • One simple purchase At KEMIplay, we believe children learn best when they are curious, engaged and having fun. Our mission is to make mathematics something children look forward to practising every day. Start your MathWorld adventure today!

Screenshots

Mental Math Quiz4 screens
KEMIplay4 screens

Verdict

The call

The clearest difference is price: Mental Math Quiz at Free against KEMIplay's $0.99. Mental Math Quiz also leads on update cadence (every 4 days vs every 6 weeks). KEMIplay's advantage is in-app purchases (none vs 1). On 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

Mental Math Quiz is free to download; KEMIplay costs $0.99 up front. Mental Math Quiz sells 1 in-app purchase, starting at $4.99 per 7 days. KEMIplay asks for nothing beyond the download.

UpkeepUpdate frequency

Mental Math Quiz ships an update every 4 days, KEMIplay every 6 weeks. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 7 level
Mental Math Quiz versus KEMIplay: the parameters behind the verdict, then further details
ParameterMental Math QuizKEMIplay
PriceFree — better$0.99
Rating4.6 (700 ratings) — better—
Positive reviews81.3% of reviews—
Number of ratings700 — better—
Update frequencyEvery 4 days — betterEvery 6 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS17.0 — better18.6
Further details — not scored
Size6 MB788 MB
Age rating4+4+
Developer蒋国 颜KEMIplay Oy

Bugs and requests

Mental Math Quiz

Reported bugs

2 issues
  • Frequent loading issues
  • Incorrect answer recognition

Requested features

3 requests
  • More difficulty levels without paywall
  • Ability to focus on specific math operations
  • Expanded content for older students

KEMIplay

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Mental Math Quiz

Subscriptions1
  • Pro Unlimited3 Days trial$4.997 Days
None

KEMIplay

No in-app purchases

Questions

Is Mental Math Quiz free?
Mental Math Quiz is free to download, with in-app purchases available.
Is KEMIplay free?
KEMIplay costs $0.99, with no in-app purchases.
Do Mental Math Quiz or KEMIplay have ads?
Neither Mental Math Quiz nor KEMIplay shows ads.
Which is updated more often, Mental Math Quiz or KEMIplay?
Mental Math Quiz ships an update every 4 days, and KEMIplay every 6 weeks. Most recently, Mental Math Quiz was updated on October 20, 2026 and KEMIplay on October 24, 2026.

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