# Earth Sounds vs ZenLocks

The clearest difference is update cadence: ZenLocks at weekly against Earth Sounds's every 3 weeks. Earth Sounds's advantage is iOS requirement (15.6 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Earth Sounds sells 2 in-app purchases, starting at $1.99 per month and ZenLocks sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Earth Sounds ships an update every 3 weeks, ZenLocks weekly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Earth Sounds | ZenLocks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/earth-sounds/id6748371823/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Freemium | — |
| Size | 18 MB | 3 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [增鸿 方](https://appshunter.io/developer/1824683077) | [浩 张](https://appshunter.io/developer/1892225562) |

## What reviewers say

### Earth Sounds

[App page](https://appshunter.io/ios/app/earth-sounds/id6748371823)

Create personalized audio environments with a professional sound mixer and immersive video backgrounds. Enhance focus, relaxation, and sleep with a rich library of natural and environmental sounds. Save and share custom scenes for a tranquil experience anytime, anywhere.

**Highlights:** Multi-track sound mixing, Adjustable volume and stereo balance, HD natural landscape video backgrounds, Preset and custom scene management, Rich library of natural and environmental sounds, Offline playback, Cloud sync for scenes

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Premium Yearly | $17.99 | per year |


### ZenLocks

[App page](https://appshunter.io/ios/app/zenlocks/id6765883799)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 中杯 | $1.99 | one-time |
| 大杯 | $5.99 | one-time |
| 超大杯 | $9.99 | one-time |


## Frequently asked questions

### Is Earth Sounds free?

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

### Is ZenLocks free?

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

### Do Earth Sounds or ZenLocks have ads?

Neither Earth Sounds nor ZenLocks shows ads.

### Which is updated more often, Earth Sounds or ZenLocks?

Earth Sounds ships an update every 3 weeks, and ZenLocks weekly. Most recently, Earth Sounds was updated on November 5, 2026 and ZenLocks 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.*