# Readlax vs Concentration training.

The clearest difference is ads: Readlax at none against Concentration training.'s shown. Concentration training.'s advantage is rating (4.8 vs 4.6). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. Readlax sells 5 in-app purchases, starting at $4.99 per month and Concentration training. sells 10 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Concentration training. holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 50 and 42 respectively. Written reviews split almost evenly too, at 95% and 95% positive.

Readlax ships an update monthly, Concentration training. every 5 weeks. The most recent releases landed on August 27, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Readlax | Concentration training. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (50 ratings)](https://appshunter.io/ios/app/readlax-brain-productivity/id1529149313/reviews) | **[4.8 (42 ratings)](https://appshunter.io/ios/app/concentration-training/id6462426417/reviews)** |
| Number of ratings | **50** | 42 |
| Positive reviews | 94.7% of reviews | **94.9% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | Freemium | Free with in-app purchases |
| Size | 65 MB | 29 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Readlax, Inc.](https://appshunter.io/developer/1529149315) | [Olena Gotsulyak](https://appshunter.io/developer/1699979294) |

## What reviewers say

### Readlax

[App page](https://appshunter.io/ios/app/readlax-brain-productivity/id1529149313)

Enhance cognitive skills with a suite of tools including memory games, speed reading exercises, and a habit tracker. Improve focus, learn touch typing, and organize knowledge with smart note-taking features.

**Highlights:** Habit tracker, Memory games, Speed reading exercises, Smart note-taking, Focus timer, Touch typing training

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Readlax PRO Monthly | $4.99 | per month |
| $5.99/month Subscription | $5.99 | per month |
| Readlax PRO Monthly | $8.99 | per month |
| Readlax PRO Yearly | $44.99 | per year |
| Readlax for Life, billed once | $199.99 | one-time |

**What reviewers like**

- 👍 User-friendly interface
- 🧠 Effective brain training games
- 💡 Variety of exercises (memory, focus, reading speed)
- 📈 Progress tracking feature
- ✨ Clean and organized layout

**What reviewers complain about**

- ⚠️ Trial period confusion/unexpected charges
- 🤔 Instructions can be confusing sometimes
- 🔄 Repetitive exercises over time
- 💰 Perceived high subscription costs
- 📱 Some users experienced issues with app functionality on iPhone

**Reported bugs**

- Trial period confusion leading to unexpected charges
- Difficulty understanding game stages/instructions
- Visual clarity issues with text/background colors
- Specific game glitches (e.g., Memory Number marking correct answers as incorrect)
- App not working well on iPhone for one user

**Requested features**

- Improve UI for better navigation
- Add more game variety to reduce repetitiveness
- Include a 'How to use the app' section
- Add social media sharing for scores
- Improve visibility of text in certain games


### Concentration training.

[App page](https://appshunter.io/ios/app/concentration-training/id6462426417)

Enhance your focus, productivity, and memory with targeted exercises. This app helps combat procrastination and improve logic and reflexes through engaging training modules.

**Highlights:** Improve focus and concentration, Boost productivity and overcome procrastination, Enhance logic and reflexes, Train memory recall, Engage with Schulte table exercises, Quick decision-making tasks

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly plan | $1.99 | per month |
| Monthly subscription | $3.99 | per month |
| Annual plan | $5.99 | per year |
| Monthly subscription | $7.99 | per month |
| Monthly subscription | $14.99 | per month |
| Full version | $3.99 | one-time |
| Full version | $4.99 | one-time |
| Premium access | $7.99 | one-time |
| Full version | $9.99 | one-time |
| Full version | $19.99 | one-time |


## Frequently asked questions

### Is Readlax free?

Readlax is free to download, with in-app purchases available.

### Is Concentration training. free?

Concentration training. is free to download, with in-app purchases available.

### Which has better reviews, Readlax or Concentration training.?

Concentration training. is rated higher. Readlax averages 4.6 out of 5 from 50 ratings, while Concentration training. averages 4.8 from 42 ratings.

### Do Readlax or Concentration training. have ads?

Concentration training. shows ads; Readlax does not.

### Which is updated more often, Readlax or Concentration training.?

Readlax ships an update monthly, and Concentration training. every 5 weeks. Most recently, Readlax was updated on August 27, 2026 and Concentration training. on September 23, 2026.

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