# Sleepi.ai vs LifespanOS

The clearest difference is in-app purchases: Sleepi.ai at none against LifespanOS's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. LifespanOS sells 1 in-app purchase, starting at $1.99 per month. Sleepi.ai asks for nothing beyond the download.

Sleepi.ai ships an update every 9 days, LifespanOS weekly. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Sleepi.ai | LifespanOS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Size | 14 MB | 2 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Shenzhen Infinite State Technology Co., Ltd](https://appshunter.io/developer/1809522415) | [Haim Scheibler](https://appshunter.io/developer/1887094630) |

## What reviewers say

### Sleepi.ai

[App page](https://appshunter.io/ios/app/sleepiai/id6738334367)

**Features:** macOS Compatibility

**In-app purchases:** none


### LifespanOS

[App page](https://appshunter.io/ios/app/lifespanos/id6779654848)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LifespanOS AI Monthly | $1.99 | per month |


## Frequently asked questions

### Is Sleepi.ai free?

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

### Is LifespanOS free?

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

### Do Sleepi.ai or LifespanOS have ads?

Neither Sleepi.ai nor LifespanOS shows ads.

### Which is updated more often, Sleepi.ai or LifespanOS?

Sleepi.ai ships an update every 9 days, and LifespanOS weekly. Most recently, Sleepi.ai was updated on October 19, 2026 and LifespanOS on October 24, 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.*