# 20 Clues vs Train your brain

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.

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.

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.

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.

## The numbers

| Metric | 20 Clues | Train your brain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (494 ratings)](https://appshunter.io/ios/app/20-clues/id975001930/reviews) | **[4.5 (390 ratings)](https://appshunter.io/ios/app/train-your-brain-reasoning/id1462633932/reviews)** |
| Number of ratings | **494** | 390 |
| Positive reviews | **91.8% of reviews** | 65.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Every 3 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 38 MB | 121 MB |
| Requires iOS | **6.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Maribou Inc.](https://appshunter.io/developer/371097622) | [Tellmewow](https://appshunter.io/developer/1373142956) |

## What reviewers say

### 20 Clues

[App page](https://appshunter.io/ios/app/20-clues/id975001930)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 300 coins | $0.99 | one-time |
| 1500 coins | $2.99 | one-time |
| 3000 coins | $4.99 | one-time |
| 9000 coins | $9.99 | one-time |

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

- Coins not properly credited after purchase
- Occasional crashes or freezes

**Requested features**

- More levels and content
- Easier ways to earn hints/clues
- Customizable difficulty settings


### Train your brain

[App page](https://appshunter.io/ios/app/train-your-brain-reasoning/id1462633932)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $3.99 | one-time |

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

- 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)

**Requested features**

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


## Frequently asked 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.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*