# Sovereign vs Second Brain Link

The clearest difference is in-app purchases: Second Brain Link at none against Sovereign's 3. Second Brain Link also leads on iOS requirement (15.1 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Sovereign sells 3 in-app purchases, starting at $4.99 per month. Second Brain Link asks for nothing beyond the download.

## The numbers

| Metric | Sovereign | Second Brain Link |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 17 MB | 51 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [joseph hamawi](https://appshunter.io/developer/1854729220) | [Adrian Vicovan](https://appshunter.io/developer/6790683158) |

## What reviewers say

### Sovereign

[App page](https://appshunter.io/ios/app/sovereign-private-ai-notes/id6762365626)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sovereign Pro Monthly | $4.99 | per month |
| Sovereign Pro Yearly | $29.99 | per year |
| Sovereign Pro Lifetime | $79.99 | one-time |


### Second Brain Link

[App page](https://appshunter.io/ios/app/second-brain-link/id6790683156)

**In-app purchases:** none


## Frequently asked questions

### Is Sovereign free?

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

### Is Second Brain Link free?

Second Brain Link is free to download, with no in-app purchases.

### Do Sovereign or Second Brain Link have ads?

Neither Sovereign nor Second Brain Link 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.*