Comparison

Chain Of Thought vs Brain Test

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

Head to head
About

Chain Of Thought

This word association game challenges your mind with clever puzzles. Connect words in a chain without typing, using a simple tap interface. Enjoy multiple play modes and earn achievements.

Highlights
  • Easy to learn
  • Clever puzzles for mental workout
  • Solo play mode
  • Pass 'n play mode
  • Online play mode
  • No typing required
  • Two levels of hints
Read full description

********************************* We've released our newest word game "Crossword Island - a word vacation for your brain." It's free to try, so please help us celebrate by downloading "Crossword Island" today!! ********************************* "Chain Of Thought Puts Interesting Twist On Word Game" --AppAdvice "I love this game" --the Mac Observer "Chain of Thought app is currently my new favorite!" --iPhone App Cafe "Overall I think Jay has a great thing going in the apps he and his wife have created. They are not just for mindless entertainment but supply a real mental workout."-- theiPhoneMom.com "Chain of Thought is an intriguing game" -- Slide to Play "Chain Of Thought is a frustratingly addictive gem" -- the Goji Blog "Not only is it a heap of fun, it'll get you thinking outside the box" - appPicker.com From the husband and wife team that brought you RhymieStymie comes Chain Of Thought - the free association word chain game! It's super easy to learn and super fun to play. Each puzzle is a journey for the mind. Travel from "safe sex" to "love child" along this word chain: "safe>sex>drive>in>love>child." You never have to do any nasty typing. Just tap the words in the word pool to complete the Chain of Thought. There are 75 FREE puzzles to get you started. And additional puzzle packs for purchase if your brain begs for more. ___FEATURES___ *easy to learn *will keep your brain happy and healthy with clever puzzles *3 different modes of play: *solo play mode - perfect for the supermarket line *pass 'n play mode - perfect for lying in bed with your sweetie *online play mode - perfect for that friend on the other side of the country *achievements to earn and a leaderboard to show off your mad skills *no typing - just tap the words in the word pool *2 levels of hints so you never get stuck We hope you will love this word game as much as we do. Thanks so much for taking our new app out for a spin. Best wishes, Jay & Julia

About

Brain Test

Test your selective attention, cognitive flexibility, and processing speed with this psychology-based logic puzzle. Compete with friends and family by identifying the ink color of presented words within a time limit.

Highlights
  • Selective attention test
  • Cognitive flexibility training
  • Processing speed improvement
  • Timed challenges
  • Multiplayer competition
  • Color word matching
Features
Read full description

Do you like logic puzzles? Try yourself and compete with your friends and family! Stroop effect is based on the famous psychology test and focuses on selective attention, cognitive flexibility and processing speed. RULES You'll see 3 labels, each displaying a name of a color, however not necessarily tinted in the color which it denotes. - One label will be placed centered at the top of the screen, - and two labels will be placed in the bottom left and right corners respectively. The task is to select the appropriate label from the bottom, whose text denotes the ink color of the top label! Sounds easy, doesn't it? - Give as many correct answer as you can in 60 seconds. Join the fun and show your best skills! http://www.stroopeffectapp.com https://www.facebook.com/stroopeffectapp

Screenshots

Chain Of Thought4 screens
Brain Test4 screens

Verdict

The call

The clearest difference is ads: Chain Of Thought at none against Brain Test's shown. Chain Of Thought also leads on ratings volume (248 vs 71). Brain Test's advantage is update cadence (every 2 weeks vs every 3 months) and review sentiment (72% vs 60%). On price, rating, in-app purchases and monetization model 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

Both are free to download. Chain Of Thought sells 7 one-off in-app purchases and Brain Test sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.1 for Chain Of Thought against 4.1 for Brain Test. Both are backed by a comparable volume of ratings — 248 and 71 respectively. Written reviews are what separate them: 60% of Chain Of Thought's written reviews are positive against 72% of Brain Test's.

UpkeepUpdate frequency

Chain Of Thought ships an update every 3 months, Brain Test every 2 weeks. The most recent releases landed on November 11, 2026 and November 6, 2026 respectively.

Scorecard5 real differences · 5 level
Chain Of Thought versus Brain Test: the parameters behind the verdict, then further details
ParameterChain Of ThoughtBrain Test
PriceFreeFree
Rating4.1 (248 ratings)4.1 (71 ratings) — better
Positive reviews60.0% of reviews72.4% of reviews — better
Number of ratings248 — better71
Update frequencyEvery 3 monthsEvery 2 weeks — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.610.0 — better
Further details — not scored
Size38 MB9 MB
Age rating12+4+
DeveloperJay BacalAttila Hegedus

Customer experience

Chain Of Thought

All ratings248 ratings
Positive77.4%
Neutral8.1%
Negative14.5%
Written reviews105 reviews
Positive60.0%
Neutral19.0%
Negative21.0%

Brain Test

All ratings71 ratings
Positive83.1%
Neutral1.4%
Negative15.5%
Written reviews58 reviews
Positive72.4%
Neutral3.4%
Negative24.1%

Bugs and requests

Chain Of Thought

Reported bugs

5 issues
  • Game crashes or freezes
  • Progress not saved properly
  • Overlapping UI elements
  • Incorrect word associations accepted
  • Inconsistent performance across devices

Requested features

5 requests
  • More levels and content
  • Accessibility options for the blind
  • Localization for other languages
  • Customizable themes and visuals
  • Time trial or competitive modes

Brain Test

Not enough reviews yet to summarise bugs or requests.

In-app purchases

7 purchases

Chain Of Thought

One-time7
  • Vacation Puzzle Pack$0.99
  • Pastry Puzzle Pack$0.99
  • Kittens Puzzle Pack$0.99
Show 4 more
  • Hugs Puzzle Pack$0.99
  • Roses Puzzle Pack$0.99
  • Laughs Puzzle Pack$0.99
  • Unlock ALL Levels$3.99
2 purchases

Brain Test

One-time2
  • Remove ads$0.99
  • Unlock expert mode$1.99

Questions

Is Chain Of Thought free?
Chain Of Thought is free to download, with in-app purchases available.
Is Brain Test free?
Brain Test is free to download, with in-app purchases available.
Which has better reviews, Chain Of Thought or Brain Test?
Brain Test is rated higher. Chain Of Thought averages 4.1 out of 5 from 248 ratings, while Brain Test averages 4.1 from 71 ratings.
Do Chain Of Thought or Brain Test have ads?
Brain Test shows ads; Chain Of Thought does not.
Which is updated more often, Chain Of Thought or Brain Test?
Chain Of Thought ships an update every 3 months, and Brain Test every 2 weeks. Most recently, Chain Of Thought was updated on November 11, 2026 and Brain Test on November 6, 2026.

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