Comparison

20 Clues vs Train your brain

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

Head to head
About

20 Clues

Guess 20 words by interpreting photo clues. Tap images to zoom and uncover hidden connections to the answers. This addictive brainteaser offers a unique word association experience.

Highlights
  • Guess 20 words
  • Use photos as clues
  • Tap to zoom on images
  • Word association challenges
  • Multi-language support
Features
Read full description

Clear the board by guessing 20 words. Use photos as clues. Each photo contains a clue. Tap the picture to zoom in for a closer look, and then find the word that is in any way related to the photo. Some answers are straightforward, some are quite tricky. Enjoy this addictive brainteaser! Features: • Less typing, more fun! • Play in English, French, German, Russian, Italian, Spanish or Portuguese • New way to play word search. If you like pics and word association games, this puzzle is for you!

About

Train your brain

Engage in a variety of logic and reasoning games designed to stimulate your mind. This collection offers playful challenges for all ages, helping to improve cognitive functions like problem-solving and planning. Enjoy daily brain training with an intuitive interface and multiple language options.

Highlights
  • Number sequences
  • Mathematical reasoning
  • Logic puzzles
  • Guess hidden series
  • Time estimation
  • Mental planning
  • Daily brain training
Features
Read full description

We present this collection of Tellmewow games to develop logic and reasoning ability. Fun games for the whole family to stimulate your mind in a playful way. This game is suitable for all kinds of people, from the youngest to the elderly and senior players. TYPES OF GAMES - Number sequences - Simple mathematical reasoning operations - Logic puzzles - Guess the hidden series of elements - Time estimation - Mental planning games In addition to reasoning, these games help to stimulate other areas such as visual association, fine motor skills, attention or processing speed. APP FEATURES - Daily brain training - Available in 6 languages: Spanish, Italian, French, English, Portuguese and German. - Easy and intuitive interface - Different levels for all ages - Constant updates with new games GAMES FOR LOGICAL REASONING DEVELOPMENT Reasoning is one of the essential cognitive functions in our daily life. The development of reasoning ability helps to keep the mind healthy and a healthy life. Reasoning is one of the superior cognitive functions that allows us to think and make decisions to deal with the stimuli, events and situations. It consists of organizing functions related to logic, strategy, planning, problem solving and hypothetico-deductive reasoning. The different games of this app stimulate different aspects of reasoning such as numerical, logical or abstract reasoning. This app is a part of a collection of puzzles developed in collaboration with doctors and experts in neuropsychology. In the complete version composed of 5 cognitive functions, you will find memory games, attention games, visuospatial or coordination games, among others. ABOUT TELLMEWOW Tellmewow is a mobile game development company specialized in easy adaptation and basic usability which makes their games ideal for the elderly or young people who simply want to play an occasional games without major complications. If you have any suggestions for improvement or want to stay tuned about upcoming games, follow us on our social networks. @tellmewow

Screenshots

20 Clues4 screens
Train your brain4 screens

Verdict

The call

The clearest difference is ads: 20 Clues at none against Train your brain's shown. 20 Clues also leads on review sentiment (92% vs 66%) and iOS requirement (6.0 vs 12.0). Train your brain's advantage is update cadence (every 3 months vs every 8 months). On price, rating, ratings volume and in-app purchases 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. 20 Clues sells 4 one-off in-app purchases and Train your brain sells 1 one-off in-app purchase. 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 — 4.5 for 20 Clues against 4.5 for Train your brain. Both are backed by a comparable volume of ratings — 494 and 390 respectively. Written reviews are what separate them: 92% of 20 Clues's written reviews are positive against 66% of Train your brain's.

UpkeepUpdate frequency

20 Clues ships an update every 8 months, Train your brain every 3 months. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

Scorecard4 real differences · 6 level
20 Clues versus Train your brain: the parameters behind the verdict, then further details
Parameter20 CluesTrain your brain
PriceFreeFree
Rating4.5 (494 ratings)4.5 (390 ratings) — better
Positive reviews91.8% of reviews — better65.9% of reviews
Number of ratings494 — better390
Update frequencyEvery 8 monthsEvery 3 months — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS6.0 — better12.0
Further details — not scored
Size38 MB121 MB
Age rating4+4+
DeveloperMaribou Inc.Tellmewow

Customer experience

20 Clues

All ratings494 ratings
Positive90.3%
Neutral7.9%
Negative1.8%
Written reviews280 reviews
Positive91.8%
Neutral6.8%
Negative1.4%

Train your brain

All ratings380 ratings
Positive89.7%
Neutral4.2%
Negative6.1%
Written reviews82 reviews
Positive65.9%
Neutral9.8%
Negative24.4%

User reviews

20 Clues

From 494 App Store ratings

What we love

  • 👍 Engaging brain exercise
  • 🧠 Stimulates thinking
  • 🕹️ Fun and addictive gameplay
  • 🧠 Challenges the mind
  • 🤔 Makes you think outside the box

Room to improve

  • 💰 Expensive hints/clues
  • 🤔 Some clues are not intuitive
  • 🇺🇸 Biased towards European/non-American references
  • 🤯 Levels can be very difficult

Train your brain

From 390 App Store ratings

What we love

  • 🧠 Good for brain training
  • 🧠 Helps with logical reasoning
  • 🧠 Good for concentration
  • 🧩 Great puzzle games
  • 👍 Entertaining and fun

Room to improve

  • 📺 Excessive ads
  • 📺 Ads cover game elements
  • 📺 Unclosable ads
  • 📺 Ads after payment
  • 💰 Paid version still has ads

Bugs and requests

20 Clues

Reported bugs

2 issues
  • Coins not properly credited after purchase
  • Occasional crashes or freezes

Requested features

3 requests
  • More levels and content
  • Easier ways to earn hints/clues
  • Customizable difficulty settings

Train your brain

Reported bugs

6 issues
  • Ads cover game controls
  • Cannot close ads
  • Paid purchase not remembered
  • Still seeing ads after paying for ad-free
  • Unsolvable levels in specific games (e.g., Linha reta 23, Sliding Blocks, Jogo das cores)
Show 1 more
  • Game crashes or freezes due to ads

Requested features

4 requests
  • Add hints or skip levels
  • Fix unsolvable levels
  • Improve game logic for specific levels
  • Allow resuming games from where left off

In-app purchases

4 purchases

20 Clues

One-time4
  • 300 coins$0.99
  • 1500 coins$2.99
  • 3000 coins$4.99
Show 1 more
  • 9000 coins$9.99
1 purchases

Train your brain

One-time1
  • Remove ads$3.99

Questions

Is 20 Clues free?
20 Clues is free to download, with in-app purchases available.
Is Train your brain free?
Train your brain is free to download, with in-app purchases available.
Which has better reviews, 20 Clues or Train your brain?
Train your brain is rated higher. 20 Clues averages 4.5 out of 5 from 494 ratings, while Train your brain averages 4.5 from 390 ratings.
Do 20 Clues or Train your brain have ads?
Train your brain shows ads; 20 Clues does not.
Which is updated more often, 20 Clues or Train your brain?
20 Clues ships an update every 8 months, and Train your brain every 3 months. Most recently, 20 Clues was updated on October 24, 2026 and Train your brain on October 29, 2026.

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