# Rainlayer vs Cardia Sleep

The clearest difference is iOS requirement: Rainlayer at 15.0 against Cardia Sleep's 18.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Rainlayer sells 3 in-app purchases, starting at $5.99 per month and Cardia Sleep sells 1 in-app purchase, starting at $14.99 per year. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Rainlayer | Cardia Sleep |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 49 MB | 2 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Franz Bruckhoff](https://appshunter.io/developer/399345216) | [Tuong Nguyen](https://appshunter.io/developer/1878188325) |

## What reviewers say

### Rainlayer

[App page](https://appshunter.io/ios/app/rainlayer-immersive-rain/id6744941675)

Experience lifelike 3D rain recordings for enhanced sleep, focus, and relaxation. This app offers a premium audio sanctuary with genuine nature sounds to help you unwind, block distractions, and achieve mental stillness.

**Highlights:** Genuine 3D rain recordings, Taptanium™-certified audio, Seamless soundscape transitions, Infinite play for uninterrupted calm, Sleep timer, Headphone-optimized 3D sound

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (1 Month) | $5.99 | per month |
| Premium (1 Year) | $39.99 | per year |
| Premium (1 Year) | $59.99 | per year |


### Cardia Sleep

[App page](https://appshunter.io/ios/app/cardia-sleep/id6759352829)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cardia Sleep Pro | $14.99 | per year |


## Frequently asked questions

### Is Rainlayer free?

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

### Is Cardia Sleep free?

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

### Do Rainlayer or Cardia Sleep have ads?

Neither Rainlayer nor Cardia Sleep shows ads.

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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.*