# SOURCE INT vs Clos

The clearest difference is in-app purchases: SOURCE INT at none against Clos's 2. SOURCE INT also leads on device support (4 vs 2). Clos's advantage is iOS requirement (12.1 vs 15.1). On price, update cadence and ads there is nothing between them.

Both are free to download. Clos sells 2 in-app purchases, starting at $5.99 per year. SOURCE INT asks for nothing beyond the download.

SOURCE INT ships an update every 3 months, Clos every 5 months. The most recent releases landed on October 10, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | SOURCE INT | Clos |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Size | 125 MB | 157 MB |
| Requires iOS | 15.1 | **12.1** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Source INT S.A](https://appshunter.io/developer/1049479470) | [York Chou](https://appshunter.io/developer/1215726194) |

## What reviewers say

### SOURCE INT

[App page](https://appshunter.io/ios/app/source-int/id1566314128)

**Features:** Vision Pro support

**In-app purchases:** none


### Clos

[App page](https://appshunter.io/ios/app/clos-scotland/id1644569710)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly | $5.99 | per year |
| Clos Pro lifetime | $19.99 | one-time |


## Frequently asked questions

### Is SOURCE INT free?

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

### Is Clos free?

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

### Do SOURCE INT or Clos have ads?

Neither SOURCE INT nor Clos shows ads.

### Which is updated more often, SOURCE INT or Clos?

SOURCE INT ships an update every 3 months, and Clos every 5 months. Most recently, SOURCE INT was updated on October 10, 2026 and Clos on October 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.*