Comparison

ThinkFast vs Logicals Pro

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Timed challenges
  • Multiple subject categories
  • Daily knowledge boost
  • Apple Watch support
  • Constant question updates
Features
Read full description

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!

About

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.

Highlights
  • Logic grid puzzles
  • Multiple difficulty levels
  • Variety of layouts
  • Two language options
  • Timer and Game Center support
  • Ad-free experience
Features
Read full description

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

ThinkFast2 screens
Logicals Pro4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard6 real differences · 5 level
ThinkFast versus Logicals Pro: the parameters behind the verdict, then further details
ParameterThinkFastLogicals Pro
Price$0.99 — better$1.99
Rating—4.4 (55 ratings) — better
Positive reviews75.0% of reviews81.0% of reviews — better
Number of ratings—55 — better
Update frequencyEvery 10 daysEvery 4 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
Best chart rank—#95 — better
DevicesiPhone, iPod, Apple WatchiPhone, iPad, iPod, Mac, Apple TV — better
Requires iOS12.0 — better13.0
Further details — not scored
Size4 MB10 MB
Age rating4+4+
DeveloperRHS International GmbHChristian Lueth

Customer experience

ThinkFast

Written reviews4 reviews
Positive75.0%
Neutral25.0%
Negative0.0%

Logicals Pro

All ratings55 ratings
Positive85.5%
Neutral7.3%
Negative7.3%
Written reviews58 reviews
Positive81.0%
Neutral3.4%
Negative15.5%

In-app purchases

None

ThinkFast

No in-app purchases

14 purchases

Logicals Pro

One-time14
  • H01: PuzzlePack Hard 1 (15x)$1.99
  • H02: PuzzlePack Hard 2 (15x)$1.99
  • L07: Puzzle Pack Vol. 7 (15x)$1.99
Show 11 more
  • 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

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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