# SerenAI vs Empty Boat

The clearest difference is update cadence: SerenAI at every 5 days against Empty Boat's every 11 days. SerenAI also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. SerenAI sells 7 in-app purchases, starting at $9.99 per month and Empty Boat sells 2 in-app purchases, starting at $14.99 per month. Whichever you choose, the download price is not the number that matters.

SerenAI ships an update every 5 days, Empty Boat every 11 days. The most recent releases landed on October 26, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | SerenAI | Empty Boat |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 11 days |
| Size | 56 MB | 44 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [SerenAI Labs, Inc.](https://appshunter.io/developer/1872879825) | [Nguyen Manh](https://appshunter.io/developer/1500937406) |

## What reviewers say

### SerenAI

[App page](https://appshunter.io/ios/app/serenai-for-mental-wellbeing/id6758559253)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic | $9.99 | per month |
| Premium | $19.99 | per month |
| Premium | $19.99 | per month |
| Ultimate | $49.99 | per month |
| 50 Extra Replies | $3.99 | one-time |
| 150 Extra Replies | $9.99 | one-time |
| 300 Extra Replies | $14.99 | one-time |


### Empty Boat

[App page](https://appshunter.io/ios/app/empty-boat-before-you-react/id6798670163)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EmptyBoat_Monthly | $14.99 | per month |
| EmptyBoat_yearly | $69.99 | per year |


## Frequently asked questions

### Is SerenAI free?

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

### Is Empty Boat free?

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

### Do SerenAI or Empty Boat have ads?

Neither SerenAI nor Empty Boat shows ads.

### Which is updated more often, SerenAI or Empty Boat?

SerenAI ships an update every 5 days, and Empty Boat every 11 days. Most recently, SerenAI was updated on October 26, 2026 and Empty Boat on October 29, 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.*