# Moonlull vs 悠逸YOYONG

The clearest difference is in-app purchases: 悠逸YOYONG at none against Moonlull's 3. Moonlull's advantage is update cadence (weekly vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Moonlull sells 3 in-app purchases, starting at $1.99 per month. 悠逸YOYONG asks for nothing beyond the download.

Moonlull ships an update weekly, 悠逸YOYONG every 5 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Moonlull | 悠逸YOYONG |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 5 weeks |
| Monetization | — | Free |
| Size | 293 MB | 31 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [湘 彭](https://appshunter.io/developer/1846490222) | [Tianjin Youyang Deyi Technology Co., Ltd.](https://appshunter.io/developer/992321779) |

## What reviewers say

### Moonlull

[App page](https://appshunter.io/ios/app/moonlull/id6754218061)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MoonLull Monthly Pro | $1.99 | per month |
| MoonLull Annual Pro | $7.99 | per year |
| MoonLull Permanent Pro | $14.99 | one-time |


### 悠逸YOYONG

[App page](https://appshunter.io/ios/app/yoyong/id6789094481)

This app offers a rich library of natural soundscapes and white noise to help you relax, focus, and fall asleep faster. Create personalized sound environments by combining and adjusting various audio elements. It also includes features like a Pomodoro timer and guided breathing exercises.

**Highlights:** High-quality environmental sounds and white noise, Customizable sound combinations, Save and recall sound presets, Automatic timer for sound playback, Pomodoro timer for focus sessions, Guided breathing exercises, Binaural beats and isochronic tones

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

**In-app purchases:** none


## Frequently asked questions

### Is Moonlull free?

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

### Is 悠逸YOYONG free?

悠逸YOYONG is free to download, with no in-app purchases.

### Do Moonlull or 悠逸YOYONG have ads?

Neither Moonlull nor 悠逸YOYONG shows ads.

### Which is updated more often, Moonlull or 悠逸YOYONG?

Moonlull ships an update weekly, and 悠逸YOYONG every 5 weeks. Most recently, Moonlull was updated on October 30, 2026 and 悠逸YOYONG on October 31, 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.*