# Smart Focus vs Kusosa

The clearest difference is in-app purchases: Kusosa at none against Smart Focus's 3. Kusosa also leads on iOS requirement (15.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Smart Focus sells 3 in-app purchases, starting at $0.99 per month. Kusosa asks for nothing beyond the download.

Smart Focus ships an update every 10 days, Kusosa every 6 days. The most recent releases landed on October 14, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Smart Focus | Kusosa |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 6 days** |
| Size | 6 MB | 60 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Stephane DEFAYE](https://appshunter.io/developer/1782119826) | [Duorli Rejouis Nebel Massengo](https://appshunter.io/developer/1673076235) |

## What reviewers say

### Smart Focus

[App page](https://appshunter.io/ios/app/smart-focus/id6738873090)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Smart Focus | $0.99 | per month |
| Smart Focus | $1.99 | per year |
| Smart Focus (Lifetime) | $3.99 | one-time |


### Kusosa

[App page](https://appshunter.io/ios/app/kusosa/id6757487074)

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

**In-app purchases:** none


## Frequently asked questions

### Is Smart Focus free?

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

### Is Kusosa free?

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

### Do Smart Focus or Kusosa have ads?

Neither Smart Focus nor Kusosa shows ads.

### Which is updated more often, Smart Focus or Kusosa?

Smart Focus ships an update every 10 days, and Kusosa every 6 days. Most recently, Smart Focus was updated on October 14, 2026 and Kusosa on October 20, 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.*