# Hubera vs Concentration training.

The clearest difference is in-app purchases: Hubera at none against Concentration training.'s 10. Hubera also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Concentration training. sells 10 in-app purchases, starting at $1.99 per month. Hubera asks for nothing beyond the download.

Hubera ships an update every 3 weeks, Concentration training. every 5 weeks. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Hubera | Concentration training. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (44 ratings)](https://appshunter.io/ios/app/concentration-training/id6462426417/reviews)** |
| Number of ratings | — | **44** |
| Positive reviews | — | 94.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 26 MB | 42 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Rhodium Tecnologia e Comercio LTDA](https://appshunter.io/developer/1535765231) | [Olena Gotsulyak](https://appshunter.io/developer/1699979294) |

## What reviewers say

### Hubera

[App page](https://appshunter.io/ios/app/hubera/id1535765229)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Hubera free?

Hubera is free to download, with no in-app purchases.

### Is Concentration training. free?

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

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

Concentration training. shows ads; Hubera does not.

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

Hubera ships an update every 3 weeks, and Concentration training. every 5 weeks. Most recently, Hubera was updated on November 3, 2026 and Concentration training. on November 7, 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.*