Comparison

Calcula vs Mental Math

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

Head to head
About

Calcula

This app offers daily mental math drills with various game modes and answer styles. Track your progress with detailed stats, streaks, and achievements. Designed for focus with a clean interface and no ads.

Highlights
  • Four game modes (Standard, Percent, Squared, Sequence)
  • Three answer styles (Type, Reveal, Multiple Choice)
  • Flexible session lengths and difficulties
  • Streak tracking and leveling system
  • Unlockable achievements
  • Detailed performance statistics
  • Light and dark themes
Features
Read full description

Calcula is a focused mental math trainer built for daily practice. No ads, no clutter — just clean drills that get sharper the more you use them. Pick a mode, pick a length, and go. Five minutes a day is enough to feel the difference. FOUR GAME MODES • Standard — addition, subtraction, multiplication, division. Toggle on whichever you want to drill. • Percent — find X% of a number. Built for tips, discounts, and quick estimates. • Squared — squares, cubes, and square roots. • Sequence — spot the pattern and predict what comes next. THREE ANSWER STYLES • Type — punch the answer on a clean keypad. • Reveal — solve in your head, then self-grade. • Multiple Choice — pick from four options. Switch between them anytime to match how you want to practice. FLEXIBLE SESSIONS Choose time-based (30s, 1m, 3m, 5m, or unlimited) or solve-based (10, 20, 40, 100, or unlimited) sessions. Quick warm-up or long focus block — your call. FOUR DIFFICULTIES Easy, Medium, Hard, Insane. The numbers scale with you. Insane is exactly what it sounds like. STREAKS, LEVELS, AND AWARDS • Set a daily goal and build a streak. • Earn XP for every correct answer and level up. • Unlock 12 achievements — from First Steps (100 solved) to Iron Will (a 30-day streak) to Insane Master. DETAILED STATS See your accuracy, average solve time, lifetime totals, per-operation breakdowns, and best runs. Watch yourself get faster. DESIGNED FOR FOCUS • Beautiful light and dark themes built around a single accent color. • No accounts, no ads, no tracking, no notifications you didn't ask for. • Everything stays on your device. Calcula is for anyone who wants to keep their head sharp — students prepping for tests, professionals who do math on the fly, parents brushing up alongside their kids, and anyone who just enjoys a clean mental workout.

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

Screenshots

Calcula4 screens
Mental Math4 screens

Verdict

The call

The clearest difference is rating: Calcula at 4.6 against Mental Math's 4.1. Calcula also leads on in-app purchases (none vs 3) and review sentiment (100% vs 75%). Mental Math's advantage is update cadence (weekly vs every 2 weeks) and iOS requirement (18.0 vs 26.0). On price, ratings volume, 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 sells 3 in-app purchases, starting at $5.99 per month. Calcula asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Calcula holds the better App Store score, 4.6 against 4.1. Both are backed by a comparable volume of ratings — 10 and 7 respectively. Written reviews point the same way: 100% of Calcula's written reviews are positive against 75% of Mental Math's.

UpkeepUpdate frequency

Calcula ships an update every 2 weeks, Mental Math weekly. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

Scorecard6 real differences · 4 level
Calcula versus Mental Math: the parameters behind the verdict, then further details
ParameterCalculaMental Math
PriceFreeFree
Rating4.6 (10 ratings) — better4.1 (7 ratings)
Positive reviews100.0% of reviews — better75.0% of reviews
Number of ratings10 — better7
Update frequencyEvery 2 weeksWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhoneiPhone, iPad — better
Requires iOS26.018.0 — better
Further details — not scored
Size7 MB16 MB
Age rating4+4+
DeveloperRaj PandyaDenys Kotenko

Customer experience

Calcula

All ratings10 ratings
Positive90.0%
Neutral0.0%
Negative10.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Mental Math

All ratings7 ratings
Positive71.4%
Neutral14.3%
Negative14.3%
Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

In-app purchases

None

Calcula

No 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$79.99

Questions

Is Calcula free?
Calcula is free to download, with no in-app purchases.
Is Mental Math free?
Mental Math is free to download, with in-app purchases available.
Which has better reviews, Calcula or Mental Math?
Calcula is rated higher. Calcula averages 4.6 out of 5 from 10 ratings, while Mental Math averages 4.1 from 7 ratings.
Do Calcula or Mental Math have ads?
Neither Calcula nor Mental Math shows ads.
Which is updated more often, Calcula or Mental Math?
Calcula ships an update every 2 weeks, and Mental Math weekly. Most recently, Calcula was updated on October 24, 2026 and Mental Math on October 28, 2026.

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