# ThinkFast vs Crazy Trivia Challenge

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

Crazy Trivia Challenge is free to download; ThinkFast costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ThinkFast ships an update every 10 days, Crazy Trivia Challenge monthly. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | ThinkFast | Crazy Trivia Challenge |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/crazy-trivia-challenge/id6756081295/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 10 days** | Monthly |
| Monetization | Paid | **Ad-supported** |
| Size | 4 MB | 91 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [RHS International GmbH](https://appshunter.io/developer/408977594) | [Reem Al Bizri](https://appshunter.io/developer/1583111435) |

## 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


### Crazy Trivia Challenge

[App page](https://appshunter.io/ios/app/crazy-trivia-challenge/id6756081295)

Test your general knowledge with this fun and educational trivia quiz game. Answer hundreds of questions across multiple categories and enjoy two exciting game modes. Learn fun facts and sharpen your memory with engaging gameplay.

**Highlights:** Hundreds of quiz questions, Multiple categories, Levels Mode, Survival Mode, Learn fun facts, High-score tracking

**In-app purchases:** none


## Frequently asked questions

### Is ThinkFast free?

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

### Is Crazy Trivia Challenge free?

Crazy Trivia Challenge is free to download, with no in-app purchases.

### Do ThinkFast or Crazy Trivia Challenge have ads?

Crazy Trivia Challenge shows ads; ThinkFast does not.

### Which is updated more often, ThinkFast or Crazy Trivia Challenge?

ThinkFast ships an update every 10 days, and Crazy Trivia Challenge monthly. Most recently, ThinkFast was updated on October 29, 2026 and Crazy Trivia Challenge on October 30, 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.*