# Sona Mobile vs Focus

The clearest difference is in-app purchases: Sona Mobile at none against Focus's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Focus sells 3 in-app purchases, starting at $4.99 per month. Sona Mobile asks for nothing beyond the download.

## The numbers

| Metric | Sona Mobile | Focus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (10 ratings)](https://appshunter.io/ios/app/sona-mobile/id562898091/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free | — |
| Size | 38 MB | 107 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sona Systems](https://appshunter.io/developer/562898094) | [Rishabh Aggarwal](https://appshunter.io/developer/6807083696) |

## What reviewers say

### Sona Mobile

[App page](https://appshunter.io/ios/app/sona-mobile/id562898091)

This mobile application grants users access to the Sona Systems platform. It is designed for participants, researchers, and principal investigators, requiring the specific URL of a Sona site for functionality.

**Highlights:** Access Sona Systems, For participants, For researchers, For principal investigators, Requires Sona site URL

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

**In-app purchases:** none


### Focus

[App page](https://appshunter.io/ios/app/focus-summit-together/id6811546229)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Summit Pro Monthly | $4.99 | per month |
| Summit Pro 6 Months | $17.99 | per 6 months |
| Summit Pro Annual | $29.99 | per year |


## Frequently asked questions

### Is Sona Mobile free?

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

### Is Focus free?

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

### Do Sona Mobile or Focus have ads?

Neither Sona Mobile nor Focus shows ads.

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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.*