# BigBrainAi — Battle de calcul mental !

> Battle de calcul mental ! (iPhone/iPad app by Joris Bruchet.)

- Source: https://appshunter.io/ios/app/bigbrainai/id6739582966 (this page in markdown: same URL + `.md`)
- Developer: [Joris Bruchet](https://appshunter.io/developer/1786153650)
- Category: Games, Education, Casual, Trivia
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.0 · 56 MB
- Languages: American English
- Released: 2025-09-24
- Data updated: 2026-10-17

## What is BigBrainAi?

BigBrain is an educational game app designed to make math fun and accessible for children.
It offers different learning and game modes to practice multiplication, addition, subtraction, and division:

Problem Mode: tailored exercises to practice solving calculations.

Battle Mode: challenge a friend, the computer, or a bot to test your knowledge.

Endless Mode: keep the challenge going with increasing levels of difficulty.

Oral Mode: practice your tables and operations in a voice-based version.

Lesson Mode: learn table by table with tips to better memorize them.

Statistics & Progress Tracking: monitor progress and motivate your child with clear visual feedback.

Customization: choose tables, operations, and levels to fit individual needs.

BigBrain was designed to motivate children ages 6 to 15 with colorful design, animations, and varied challenges.
A Premium Mode unlocks advanced features and additional exercises.

Learning math has never been this fun and motivating!

EULA : https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Politique de Confidentialité : https://www.studiodahu.ch/privacy_en

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Super+ Weekly Subscription | $0.99 | per 7 days |
| Super+ Monthly Subscription | $1.99 | per month |
| Super+ yearly Subscription | $19.99 | per year |


## Is BigBrainAi safe?

Not enough ratings yet to assess BigBrainAi.

## Is BigBrainAi legit?

BigBrainAi appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for BigBrainAi is 65 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 3 releases)

### 1.0.5 — 2026-08-15

WHAT'S NEW

Fractions have arrived!
- New Fractions world: add, subtract, multiply and divide fractions
- Choose which operations to practice and set the difficulty with stars
- Fractions displayed the school way (numerator, bar, denominator)
- Available in every mode: multiple choice, rapid typing, speed challenge, voice challenge
- Complete lessons: equivalent fractions, simplifying, common denominators

Real lessons for every operation
- Simple explanations, mental math tricks and examples for addition, subtraction, multiplication, division and fractions

Math word problems with fractions
- Stories generated and adapted to your child's age
- When you get one wrong, a step-by-step explanation shows how to solve it

Improved online battles
- 4 game modes: Fast 60s, Additions 45s, Multiplications 60s and Fractions 60s
- Every victory counts towards your Elo ranking
- Penalty cooldown after a wrong answer: no more button spamming!

Smarter mistake review
- Your mistakes are now saved in every game mode and can be replayed until mastered, fractions included

And also
- Refreshed, clearer statistics
- Promo codes to unlock premium
- Many display and stability fixes

### 1.0.3 — 2025-09-28

- New skins available
- Minor bugs fixes.

### 1.0 — 2025-09-24

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-17.*