# ThinkFast vs Brain Master

The clearest difference is price: Brain Master at Free against ThinkFast's $0.99. ThinkFast's advantage is in-app purchases (none vs 10) and ads (none vs shown). On update cadence and device support there is nothing between them.

Brain Master is free to download; ThinkFast costs $0.99 up front. Brain Master sells 10 in-app purchases, starting at $2.99 per 7 days. ThinkFast asks for nothing beyond the download.

ThinkFast ships an update every 10 days, Brain Master every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | ThinkFast | Brain Master |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/brain-master-trivia-challenge/id1645498328/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 4 MB | 367 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [RHS International GmbH](https://appshunter.io/developer/408977594) | [vmoga](https://appshunter.io/developer/945300832) |

## What reviewers say

### ThinkFast

[App page](https://appshunter.io/ios/app/thinkfast-quiz/id980958018)

Test your knowledge and speed with a challenging quiz game. Answer difficult questions across various subjects in a limited time. It's a fun way to increase and maintain your knowledge on the go.

**Highlights:** Timed challenges, Multiple subject categories, Daily knowledge boost, Apple Watch support, Constant question updates

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Brain Master

[App page](https://appshunter.io/ios/app/brain-master-trivia-challenge/id1645498328)

Engaging quiz-based games to expand your knowledge across various topics. Challenge your brain with thousands of questions and hundreds of levels, making learning effortless and fun. A healthy alternative to social media for continuous knowledge growth.

**Highlights:** Thousands of questions, Hundreds of levels, Daily Challenge, Daily Reward, Learn about various topics, Easy to play, difficult to master

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP Member | $2.99 | per 7 days |
| Coin Pack 1 | $0.99 | one-time |
| Coin Pack 2 | $2.99 | one-time |
| Coin Pack 3 | $4.99 | one-time |
| Diamond Pack 4 | $9.99 | one-time |
| Coin Pack 4 | $9.99 | one-time |
| Diamond Pack 5 | $18.99 | one-time |
| Coin Pack 5 | $18.99 | one-time |
| Diamond Pack 6 | $46.99 | one-time |
| Coin Pack 6 | $46.99 | one-time |


## Frequently asked questions

### Is ThinkFast free?

ThinkFast costs $0.99, with no in-app purchases.

### Is Brain Master free?

Brain Master is free to download, with in-app purchases available.

### Do ThinkFast or Brain Master have ads?

Brain Master shows ads; ThinkFast does not.

### Which is updated more often, ThinkFast or Brain Master?

ThinkFast ships an update every 10 days, and Brain Master every 3 weeks. Most recently, ThinkFast was updated on October 24, 2026 and Brain Master on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*