# SmileAI vs Lullaby Method

The clearest difference is update cadence: Lullaby Method at every 2 weeks against SmileAI's every 7 months. SmileAI's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. SmileAI sells 3 in-app purchases, starting at $0.99 per month and Lullaby Method sells 3 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

SmileAI ships an update every 7 months, Lullaby Method every 2 weeks. The most recent releases landed on October 11, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | SmileAI | Lullaby Method |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 weeks** |
| Size | 11 MB | 74 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [龙 李](https://appshunter.io/developer/879758991) | [Engin Aytekin](https://appshunter.io/developer/1896277039) |

## What reviewers say

### SmileAI

[App page](https://appshunter.io/ios/app/smileai/id6738887353)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly VIP Subscription | $0.99 | per month |
| Annual VIP Subscription | $4.99 | per year |
| Remove Ads | $0.99 | one-time |


### Lullaby Method

[App page](https://appshunter.io/ios/app/lullaby-method-sleep-manifest/id6776793046)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lullaby Method Premium | $3.99 | per 7 days |
| Lullaby Method Premium | $9.99 | per month |
| Lullaby Method Premium | $59.99 | per year |


## Frequently asked questions

### Is SmileAI free?

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

### Is Lullaby Method free?

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

### Do SmileAI or Lullaby Method have ads?

Neither SmileAI nor Lullaby Method shows ads.

### Which is updated more often, SmileAI or Lullaby Method?

SmileAI ships an update every 7 months, and Lullaby Method every 2 weeks. Most recently, SmileAI was updated on October 11, 2026 and Lullaby Method on October 18, 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.*