# Freaking Brain — guess missing number

> Logic puzzle game to guess the missing number in equations. (iPhone/iPad app by Thien Nhan.)

- Source: https://appshunter.io/ios/app/freaking-brain/id1542597544 (this page in markdown: same URL + `.md`)
- Developer: [Thien Nhan](https://appshunter.io/developer/1469905711)
- Category: Games, Education, Board, Puzzle
- Price: Free with in-app purchases
- Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 13.0 · 11 MB
- Languages: English, French, Indonesian, Japanese, Chinese, Chinese, Vietnamese
- Released: 2020-12-20
- Data updated: 2026-06-10
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/freaking-brain/id1542597544/reviews.md

## What is Freaking Brain?

if		2,8 = 7
		3,9 = 9
		4,6 = 2
then	        5,7 = ?
Can you guess the missing number in the short time ?
Now, let's download the game and try to resovle the quiz.
It's fun.

## Key features

- Number sequence puzzles
- Time-based challenges
- Logic and pattern recognition
- Brain-training gameplay
- Fun quiz format

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Get 15 questions | $1.99 | one-time |
| Remove ads | $1.99 | one-time |
| Get 30 questions | $2.99 | one-time |


## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/freaking-brain/id1542597544/reviews.md

### 5/5 — ứng ụng hay. luyện trí não

*2020-12-23, version 1.1*

thời gian nhanh quá. thêm nhiều câu hỏi
app dành cho người có IQ cao :))))))?

**Developer response:** thanks for your review.
love it!

## Frequently asked questions about Freaking Brain

### What is Freaking Brain?

Freaking Brain is a logic puzzle game where players must guess the missing number in a sequence of equations. It's designed to be a fun and quick brain teaser.

### How do you play Freaking Brain?

You are presented with a series of equations that follow a hidden pattern. Your goal is to identify this pattern and use it to determine the correct missing number within a limited time.

### Is Freaking Brain free to play?

Yes, Freaking Brain is free to download and play. It also offers in-app purchases for additional content or features.

### What devices does Freaking Brain support?

Freaking Brain is available on iPhone and iPod devices.

### What is the age rating for Freaking Brain?

Freaking Brain has an age rating of 4+, making it suitable for a wide range of players.

### How often is Freaking Brain updated?

The app was last updated on February 23, 2021, with version 1.3.4. Update frequency can vary based on developer plans.

### Does Freaking Brain have ads?

The provided data does not specify if Freaking Brain contains advertisements. However, it does offer in-app purchases.

### What is the user rating for Freaking Brain?

Freaking Brain has a perfect rating of 5.0 stars based on one review, indicating a highly positive initial user experience.

## Version history (last 5 releases)

### 1.3.4 — 2021-02-23

Fix some bugs.

### 1.3.3 — 2021-01-09

Fix Some bugs

### 1.3.2 — 2021-01-07

Add screen congratulation
Fix some bugs

### 1.3.1 — 2021-01-04

Add Push notification
Fix some bugs

### 1.3 — 2021-01-02

+ Multi Language
+ Fix some bugs

## Apps similar to Freaking Brain

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| --- | --- | --- | --- |
| [Word Painter](https://appshunter.io/ios/app/word-painter/id1561606955) | 1.5 (2) | Free | Games |
| [Triple Words](https://appshunter.io/ios/app/triple-words/id1669652573) | — | Free | Games |
| [Park Perfect!](https://appshunter.io/ios/app/park-perfect/id6449024017) | — | Free | Games |
| [Number Brain : Bulls & Cows](https://appshunter.io/ios/app/number-brain-bulls-and-cows/id1539628862) | 4.6 (109) | Free | Games |
| [Samurai Sudoku](https://appshunter.io/ios/app/samurai-sudoku/id594421598) | 4.6 (374) | Free | Games |
| [Memory!](https://appshunter.io/ios/app/memory/id467939841) | 4.3 (2,728) | Free | Games |

## More apps by Thien Nhan

- [MorseCode Convert](https://appshunter.io/ios/app/morsecode-convert/id1542573607)
- [Battery Pro Tracking](https://appshunter.io/ios/app/battery-pro-tracking/id1544203406)

All apps by Thien Nhan: https://appshunter.io/developer/1469905711

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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 2026-06-10.*