Comparison

Mental Math vs Learn World Flags

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

Head to head
About

Mental Math

Enhance concentration and mental speed with daily mental math exercises. This app offers a minimalist approach to brain training, helping you prepare for deep work, studying, or important meetings. Track your progress and customize sessions to improve focus and cognitive clarity.

Highlights
  • Performance testing
  • Mental math training (add, subtract, multiply, divide)
  • Customizable exercises
  • Progress tracking
  • Minimalist design
  • Focus improvement
Features
Read full description

Train your brain. Sharpen focus. Improve mental speed. Modern life constantly fights for your attention. Notifications, multitasking, and digital noise make it harder to stay mentally sharp. Mental Math: Focus Trainer helps you rebuild focus using short daily mental math training sessions designed to improve concentration, processing speed, and mental clarity. This isn’t about becoming a math expert. It’s about using simple mental math exercises to activate your brain and enter a focused, high-performance state. Just 5 minutes of brain training can reset your attention and prepare you for deep work. HOW IT WORKS Think of it as a quick brain workout. A short session of mental math practice clears mental fog, activates focus, and strengthens your ability to concentrate. Use it: • before a deep work session • before studying • before an important meeting • as a daily brain training habit CORE FEATURES Performance Test (100 Questions) • measure mental speed and accuracy • track completion time • track accuracy • see questions per minute • get an overall performance score Mental Math Training Practice core arithmetic operations with multiple difficulty levels: • addition • subtraction • multiplication • division Choose the difficulty that matches your skill and gradually increase the challenge Custom Exercises Create your own mental math training: • choose operations (+ − × ÷) • choose difficulty levels • choose number of questions Progress Tracking • track mental speed • track accuracy • see progress across different difficulty levels • improve consistency over time Minimalist Design • no distractions • no noisy gamification • clean dark-mode interface WHY TRAIN MENTAL MATH? • improve concentration • boost mental processing speed • prepare your brain for deep work • build a daily focus ritual Reclaim your focus. Train your brain. One number at a time. Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://denyskt-hub.github.io/mental-math

About

Learn World Flags

Features
Read full description

Know every flag by heart. Learn World Flags helps you master the flags, countries, and capitals of the world — with science-backed study methods that actually stick. • Flashcards — think, reveal, then mark Got it or Need practice • Multiple-choice quizzes with instant feedback • Spaced repetition — review flags right before you forget • Daily challenges and streaks to keep you consistent • Progress by continent — see what you have mastered • Europe free; unlock every continent with Pro Perfect for students, travellers, trivia fans, and anyone who wants to finally learn world geography. Practise your way: all flags, weak flags only, or new flags. Flashcards or multiple choice. Focus on one region or the whole world. Download free and start with Europe today.

Screenshots

Mental Math4 screens
Learn World Flags4 screens

Verdict

The call

Mental Math and Learn World Flags are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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 sells 3 in-app purchases, starting at $5.99 per month and Learn World Flags sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
Mental Math versus Learn World Flags: the parameters behind the verdict, then further details
ParameterMental MathLearn World Flags
PriceFreeFree
Rating3.5 (4 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings4 — better—
Update frequencyWeekly—
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPad — betteriPhone
Requires iOS18.017.0 — better
Further details — not scored
Size11 MB16 MB
Age rating4+4+
DeveloperDenys KotenkoSCOTT ENTERPRISES LTD

In-app purchases

3 purchases

Mental Math

Subscriptions2
  • Pro Monthly: Focus & Mental Math$5.991 Month
  • Pro Yearly: Focus & Mental Math7 Days trial$24.991 Year
One-time1
  • Pro Lifetime: Focus & Mental Math$49.99
1 purchases

Learn World Flags

One-time1
  • Unlock All Flags$3.99

Questions

Is Mental Math free?
Mental Math is free to download, with in-app purchases available.
Is Learn World Flags free?
Learn World Flags is free to download, with in-app purchases available.
Do Mental Math or Learn World Flags have ads?
Neither Mental Math nor Learn World Flags shows ads.

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