# SLEEPONE AI vs Mao Reader

The clearest difference is in-app purchases: SLEEPONE AI at none against Mao Reader's 2. SLEEPONE AI also leads on update cadence (monthly vs every 2 months) and iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Mao Reader sells 2 in-app purchases, starting at $3.99 per year. SLEEPONE AI asks for nothing beyond the download.

SLEEPONE AI ships an update monthly, Mao Reader every 2 months. The most recent releases landed on October 14, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | SLEEPONE AI | Mao Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 100 MB | 776 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [彬 韩](https://appshunter.io/developer/1787324417) | [洪吉 王](https://appshunter.io/developer/1888032826) |

## What reviewers say

### SLEEPONE AI

[App page](https://appshunter.io/ios/app/sleepone-ai/id6740016715)

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

**In-app purchases:** none


### Mao Reader

[App page](https://appshunter.io/ios/app/mao-reader/id6770492168)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 包年会员 | $3.99 | per year |
| 研读永久版 | $7.99 | one-time |


## Frequently asked questions

### Is SLEEPONE AI free?

SLEEPONE AI is free to download, with no in-app purchases.

### Is Mao Reader free?

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

### Do SLEEPONE AI or Mao Reader have ads?

Neither SLEEPONE AI nor Mao Reader shows ads.

### Which is updated more often, SLEEPONE AI or Mao Reader?

SLEEPONE AI ships an update monthly, and Mao Reader every 2 months. Most recently, SLEEPONE AI was updated on October 14, 2026 and Mao Reader on October 11, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*