Comparison

Brain Challenge vs Quick Calculation Quiz

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

Head to head
About

Brain Challenge

Engage in a comprehensive brain training program with fun and challenging games. Improve memory, focus, logic, and reaction skills through personalized daily workouts and auto-adapting difficulty levels. Compete with friends and track your progress with detailed statistics.

Highlights
  • 15 challenging games
  • Personalized daily workouts
  • Auto-adapting difficulty
  • Track progress with statistics
  • Compete with friends
  • Apple Watch compatibility
Features
Read full description

With thousands of members, Brain Challenge offers the most complete and diverse training for your brain. Train your memory, focus, logic and reaction skills with fun and challenging games and personal workouts. 15 games and auto-adapting difficulty levels give you not only endless fun but also help to improve your brain skills greatly. APPLE WATCH Brain Challenge is tailored to your Apple Watch. Play every single game on your wrist without ever needing to grab your iPhone or iPad. iMessage Challenge your friends on iMessage! Who is smarter? FEATURES AT A GLANCE - Over 100 levels of difficulty in 15 challenging games - Train concentration, memory, focus and logic. - Personalized daily workouts - Statistics help you to see your progress - Compete against your friends with online high scores - Collect brain points to keep track of your improvements - Brain Challenge is suitable for persons of all ages - Stunning and beautiful black interface - Play Brain Challenge on you iPhone, iPad, iPod touch and Apple Watch! SCIENCE AT ITS BEST Your brain can be trained like the rest of your body. Reach your optimum level with Brain Challenge. Brain Challenge is designed to make brain training fun. Train your concentration, memory, focus and logic easily. Studies have shown that regular brain training increases intelligence and memory. BRAIN CHALLENGE PREMIUM Brain Challenge is, of course, free for our valued customers. However, if you want to improve 66% faster, we can recommend you Brain Challenge Premium. And because we want brain training to be accessible for everyone, it’s just $4.99. It gives you life-time access to all premium games, personalized workouts and all the games we plan to add to Brain Challenge in the future.

About

Quick Calculation Quiz

Test your math skills in a timed challenge. Solve equations quickly to achieve a high score and compete with friends. It's a fun way to train your brain with both easy and challenging problems.

Highlights
  • Timed math problem solving
  • High score tracking
  • Multiplayer comparison
  • Brain training exercises
  • No calculator required
Features
Read full description

In this game you have 100 seconds to solve as many math problems (equations) as possible. Achieve a new high score, try to beat other players and your friends. Download now for free! A game always consists of both very easy and some slightly more difficult math problems. However, you should be able to solve all equations without a calculator. You will see the first math problem as soon as you tap the "Start" button. Your time begins to count down. Use the numeric keypad to type your answer and tap the enter button. The game is over either if your time is up, or as soon as you give a wrong answer. With each correct answer 1 point will be added to your score. Try to achieve a new highscore each time you play the game. Use the game center to compare your highscore with other players or your friends. Train your brain while playing the game and try to beat your own highscore, other players or your friends. This mathematics trainer is the perfect mental exercise. Try to achieve a new highscore now. Download and play for free! Standard Apple Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Brain Challenge4 screens
Quick Calculation Quiz4 screens

Verdict

The call

The clearest difference is update cadence: Brain Challenge at every 10 days against Quick Calculation Quiz's every 10 months. Brain Challenge also leads on iOS requirement (12.0 vs 15.2). Quick Calculation Quiz's advantage is review sentiment (87% vs 61%) and ratings volume (208 vs 66). On price, rating, ads and in-app purchases 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. Brain Challenge sells 2 one-off in-app purchases and Quick Calculation Quiz sells 5 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Quick Calculation Quiz holds the better App Store score, 4.6 against 4.4. Both are backed by a comparable volume of ratings — 66 and 208 respectively. Written reviews point the same way: 61% of Brain Challenge's written reviews are positive against 87% of Quick Calculation Quiz's.

UpkeepUpdate frequency

Brain Challenge ships an update every 10 days, Quick Calculation Quiz every 10 months. The most recent releases landed on September 28, 2026 and September 29, 2026 respectively.

Scorecard4 real differences · 6 level
Brain Challenge versus Quick Calculation Quiz: the parameters behind the verdict, then further details
ParameterBrain ChallengeQuick Calculation Quiz
PriceFreeFree
Rating4.4 (66 ratings)4.6 (208 ratings) — better
Positive reviews61.3% of reviews86.8% of reviews — better
Number of ratings66208 — better
Update frequencyEvery 10 days — betterEvery 10 months
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.2
Further details — not scored
Size59 MB6 MB
Age rating4+4+
DeveloperJan-Niklas FREUNDTBrachmann Online Marketing GmbH & Co. KG

Customer experience

Brain Challenge

All ratings66 ratings
Positive83.3%
Neutral6.1%
Negative10.6%
Written reviews62 reviews
Positive61.3%
Neutral14.5%
Negative24.2%

Quick Calculation Quiz

All ratings208 ratings
Positive90.4%
Neutral5.8%
Negative3.8%
Written reviews91 reviews
Positive86.8%
Neutral7.7%
Negative5.5%

User reviews

Brain Challenge

From 66 App Store ratings

What we love

  • 🧠 Great for brain training
  • 💡 Creative and fun challenges
  • 💰 One-time premium purchase
  • ⏱️ Quick daily workouts
  • 🏆 Duel feature for competition

Room to improve

  • ❓ Lack of clear instructions
  • 😵 Tutorials are obscure
  • 💸 Premium version is expensive
  • 😩 Some games are hard to understand
  • 📉 Graphics are a bit basic

Quick Calculation Quiz

From 208 App Store ratings

What we love

  • 🧠 Effective mental math training
  • 👍 Simple and user-friendly interface
  • ⚡ Good difficulty progression for various skill levels
  • 🎮 Engaging and fun gameplay
  • 💰 Free to use with optional ad-free upgrade

Room to improve

  • 🐛 Submit button is too small and difficult to click
  • 🔤 Number pad layout is confusing and unintuitive
  • ⏰ Time pressure can be frustrating for some users
  • 🔁 Limited variety - repetitive problem types
  • 📺 Too many advertisements

Bugs and requests

Brain Challenge

Reported bugs

7 issues
  • App closes immediately
  • App crashes
  • Game won't start
  • Incorrect results in math games
  • Tracking game not working
Show 2 more
  • Welcome mode not progressing
  • Bug with game not starting resolved

Requested features

10 requests
  • Add more tutorials
  • Provide explanations for errors
  • Include a help function
  • Allow sound to be turned off in-app
  • Explain which part of the brain is trained
Show 5 more
  • Add more levels
  • Allow playing entire sessions against friends
  • More games playable against friends
  • Add more games
  • Clarify pricing discrepancies

Quick Calculation Quiz

Reported bugs

3 issues
  • Submit button click detection is unreliable
  • Scoring system not calculating all correct answers properly
  • Screen touch responsiveness issues on smaller devices

Requested features

10 requests
  • Ability to select specific calculation types (addition, subtraction, multiplication, division)
  • Multiple difficulty levels or stages
  • Timed vs untimed game modes
  • Direct multiplayer/duel mode between two players
  • Voice input option for answers
Show 5 more
  • Larger submit button
  • Ranking system showing user's position on leaderboard
  • More varied content and game modes
  • Adjustable time limits
  • Separate sections for different operation types

In-app purchases

2 purchases

Brain Challenge

One-time2
  • Premium$4.99
  • Premium$9.99
5 purchases

Quick Calculation Quiz

Subscriptions1
  • Premium$2.991 Month
One-time4
  • Voluntary Payment 1$0.99
  • Voluntary Payment 2$2.99
  • Voluntary Payment 3$9.99
Show 1 more
  • Remove Ads$12.99

Questions

Is Brain Challenge free?
Brain Challenge is free to download, with in-app purchases available.
Is Quick Calculation Quiz free?
Quick Calculation Quiz is free to download, with in-app purchases available.
Which has better reviews, Brain Challenge or Quick Calculation Quiz?
Quick Calculation Quiz is rated higher. Brain Challenge averages 4.4 out of 5 from 66 ratings, while Quick Calculation Quiz averages 4.6 from 208 ratings.
Do Brain Challenge or Quick Calculation Quiz have ads?
Both Brain Challenge and Quick Calculation Quiz show ads.
Which is updated more often, Brain Challenge or Quick Calculation Quiz?
Brain Challenge ships an update every 10 days, and Quick Calculation Quiz every 10 months. Most recently, Brain Challenge was updated on September 28, 2026 and Quick Calculation Quiz on September 29, 2026.

Other comparisons