# ThinkFast vs Logicals Pro

The clearest difference is in-app purchases: ThinkFast at none against Logicals Pro's 14. ThinkFast also leads on price ($0.99 vs $1.99). Logicals Pro's advantage is update cadence (every 4 days vs every 10 days) and chart position (#88 vs unranked). On review sentiment, ads and iOS requirement there is nothing between them.

ThinkFast costs $0.99 and Logicals Pro $1.99 up front. Logicals Pro sells 14 one-off in-app purchases. ThinkFast asks for nothing beyond the download.

ThinkFast ships an update every 10 days, Logicals Pro every 4 days. The most recent releases landed on October 9, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | ThinkFast | Logicals Pro |
| --- | --- | --- |
| Price | **$0.99** | $1.99 |
| Rating | — | **[4.4 (55 ratings)](https://appshunter.io/ios/app/logicals-pro/id1041680820/reviews)** |
| Number of ratings | — | **55** |
| Positive reviews | 75.0% of reviews | **81.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 4 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | — | **#88** |
| Size | 4 MB | 10 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod, Apple Watch | **iPhone, iPad, iPod, Mac, Apple TV** |
| Age rating | 4+ | 4+ |
| Developer | [RHS International GmbH](https://appshunter.io/developer/408977594) | [Christian Lueth](https://appshunter.io/developer/1041680819) |

## 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


### Logicals Pro

[App page](https://appshunter.io/ios/app/logicals-pro/id1041680820)

**Currently charting:** #88 Top Paid · Trivia, #133 Top Paid · Word (US App Store)

Engage your mind with logic grid puzzles, similar to classic brain teasers. Solve a variety of riddles across different difficulty levels and layouts, with support for multiple languages and devices. Track your progress with a timer and Game Center integration.

**Highlights:** Logic grid puzzles, Multiple difficulty levels, Variety of layouts, Two language options, Timer and Game Center support, Ad-free experience

**Features:** Family Sharing, Vision Pro support

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| H01: PuzzlePack Hard 1 (15x) | $1.99 | one-time |
| H02: PuzzlePack Hard 2 (15x) | $1.99 | one-time |
| L07: Puzzle Pack Vol. 7 (15x) | $1.99 | one-time |
| H04: PuzzlePack Hard 4 (15x) | $1.99 | one-time |
| H03: PuzzlePack Hard 3 (15x) | $1.99 | one-time |
| L04: PuzzlePack 4 (15x) | $1.99 | one-time |
| L01: PuzzlePack 1 (15x) | $1.99 | one-time |
| L02: PuzzlePack 2 (15x) | $1.99 | one-time |
| L03: PuzzlePack 3 (15x) | $1.99 | one-time |
| L05: PuzzlePack 5 (15x) | $1.99 | one-time |
| L06: PuzzlePack 6 (15x) | $1.99 | one-time |
| X01: MegaPack 1 (60x) | $5.99 | one-time |
| X02: MegaPack Vol. 2 (60x) | $5.99 | one-time |
| Y00: Flatrate (120x) | $9.99 | one-time |


## Frequently asked questions

### Is ThinkFast free?

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

### Is Logicals Pro free?

Logicals Pro costs $1.99, and also offers in-app purchases.

### Do ThinkFast or Logicals Pro have ads?

Neither ThinkFast nor Logicals Pro shows ads.

### Which is updated more often, ThinkFast or Logicals Pro?

ThinkFast ships an update every 10 days, and Logicals Pro every 4 days. Most recently, ThinkFast was updated on October 9, 2026 and Logicals Pro on October 19, 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.*