Mental Math vs Calcul Éclair
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Performance testing
- Mental math training (add, subtract, multiply, divide)
- Customizable exercises
- Progress tracking
- Minimalist design
- Focus improvement
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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
Calcul Éclair
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Calcul Éclair pose une opération de calcul mental directement sur votre écran d'accueil. 14 × 7 ? 128 − 45 ? Vous la voyez, vous la résolvez de tête, et le widget se renouvelle. Aucun effort à fournir : c'est l'entraînement qui vient à vous. DANS LE WIDGET • Une opération à résoudre, lisible d'un coup d'œil • Touchez le widget : le résultat s'affiche sur place • Touchez encore pour passer au calcul suivant • Renouvellement automatique au fil de la journée DANS L'APP • Entraînement chronométré : 10 questions, votre temps, votre score de rapidité • Séries de bonnes réponses : gardez votre streak en vie • Trois niveaux : Facile (additions, soustractions), Moyen (multiplications, divisions), Hardcore (calculs mixtes) GRATUIT • Niveau Facile complet • Widget standard, renouvelé toutes les 6 heures PACK PRO — achat unique, sans abonnement • Niveaux Moyen et Hardcore • Widget renouvelé toutes les heures au lieu de toutes les 6 heures • Modes de rapidité avancés Pas de compte, pas de pub, pas d'abonnement. Vos données restent sur votre iPhone.
Screenshots
Verdict
The clearest difference is iOS requirement: Calcul Éclair at 13.0 against Mental Math's 18.0. On price, ads, in-app purchases 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
Both are free to download. Mental Math sells 3 in-app purchases, starting at $5.99 per month and Calcul Éclair sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
| Parameter | Mental Math | Calcul Éclair |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (4 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Weekly | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 18.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 11 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | Denys Kotenko | Aurelien Roblin |
In-app purchases
Mental Math
- Pro Monthly: Focus & Mental Math$5.991 Month
- Pro Yearly: Focus & Mental Math7 Days trial$24.991 Year
- Pro Lifetime: Focus & Mental Math$49.99
Calcul Éclair
- Pack Pro — achat unique$3.99
Questions
Is Mental Math free?
Is Calcul Éclair free?
Do Mental Math or Calcul Éclair have ads?
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