ThinkFast vs Logicals Pro
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
ThinkFast
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.
- Timed challenges
- Multiple subject categories
- Daily knowledge boost
- Apple Watch support
- Constant question updates
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Are you intelligent? Well informed? Have an answer for every question? Really? All well and good, but we bet that you cannot answer 5 questions correctly in 20 seconds. ThinkFast is not only fun, but also challenges you to answers difficult questions quickly. With this App, that also runs on the Apple Watch, you receive new challenging questions on different subjects: · Science · Geography · Music · Mathematics · Politics · Sport · Comedy New questions are added all the time and App is constantly being developed. ThinkFast is your daily companion helping you challenge, increase and maintain your knowledge whilst having fun. Try it now!
Logicals Pro
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.
- Logic grid puzzles
- Multiple difficulty levels
- Variety of layouts
- Two language options
- Timer and Game Center support
- Ad-free experience
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Solve logic grid puzzles similar to Einstein's famous zebra puzzle "Who has the fish?" on your iPad, iPhone, Apple TV and Mac! +++++++++++++++++++++++++++++++++++++ Features: 6 riddles (Logicals): • 2x easy (4 values per category) • 2x medium (5 values per category) • 2x hard (5 values per category) • additional levelpacks available via in app purchase 36 riddles (Logicals Pro): • 15x easy (4 values per category) • 6x medium (5 values per category) • 15x hard (5 values per category) • additional levelpacks available via in app purchase 3x3 Layouts: • light • coffee • dark each in the variants • full/empty • plus/minus • check/cross 2 languages: • german • english easy solving of riddles by tapping: • tap once for "does not match" • tap twice for "matches" landscape & portrait mode available! additional features: • timer and Game Center support • current state can be checked at any time • solving table as assistance for a better overview (iPad only) ++++++++++++++++++++++++++++++++ completely free of ads! ++++++++++++++++++++++++++++++++ compatible devices: • iPhone 6s or newer • iPad • iPad Pro • Apple TV 4 • iMac, MacBook, Mac Mini (requires iOS 13.0 / tvOS 13.0 / macOS 14.2 or higher) +++++++++++++++++++++++++++++++++++++ If you like the app, please leave me a good review! If you have questions, problems or suggestions, please contact me by email to logicals@icloud.com.
Screenshots
Verdict
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 (#95 vs unranked). On review sentiment, ads and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | ThinkFast | Logicals Pro |
|---|---|---|
| Price | $0.99 — better | $1.99 |
| Rating | — | 4.4 (55 ratings) — better |
| Positive reviews | 75.0% of reviews | 81.0% of reviews — better |
| Number of ratings | — | 55 — better |
| Update frequency | Every 10 days | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Best chart rank | — | #95 — better |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod, Mac, Apple TV — better |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 4 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | RHS International GmbH | Christian Lueth |
Customer experience
ThinkFast
Logicals Pro
In-app purchases
ThinkFast
No in-app purchases
Logicals Pro
- H01: PuzzlePack Hard 1 (15x)$1.99
- H02: PuzzlePack Hard 2 (15x)$1.99
- L07: Puzzle Pack Vol. 7 (15x)$1.99
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- H04: PuzzlePack Hard 4 (15x)$1.99
- H03: PuzzlePack Hard 3 (15x)$1.99
- L04: PuzzlePack 4 (15x)$1.99
- L01: PuzzlePack 1 (15x)$1.99
- L02: PuzzlePack 2 (15x)$1.99
- L03: PuzzlePack 3 (15x)$1.99
- L05: PuzzlePack 5 (15x)$1.99
- L06: PuzzlePack 6 (15x)$1.99
- X01: MegaPack 1 (60x)$5.99
- X02: MegaPack Vol. 2 (60x)$5.99
- Y00: Flatrate (120x)$9.99









