# Rx2U vs Sleep Sounds ..

The clearest difference is ads: Rx2U at none against Sleep Sounds ..'s shown. Rx2U also leads on iOS requirement (11.0 vs 13.0). Sleep Sounds ..'s advantage is device support (4 vs 1). On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Rx2U ships an update every 41 months, Sleep Sounds .. every 38 months. The most recent releases landed on October 8, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Rx2U | Sleep Sounds .. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (2.6K ratings)](https://appshunter.io/ios/app/sleep-sounds/id1605454852/reviews)** |
| Number of ratings | — | **2.6K** |
| Positive reviews | — | 91.9% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 41 months | **Every 38 months** |
| Monetization | — | Ad-supported |
| Size | 33 MB | 27 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Digital Simplistics, LLC](https://appshunter.io/developer/945507146) | [UniCom Technology](https://appshunter.io/developer/1270764210) |

## What reviewers say

### Rx2U

[App page](https://appshunter.io/ios/app/rx2u/id1438462133)

**In-app purchases:** none


### Sleep Sounds ..

[App page](https://appshunter.io/ios/app/sleep-sounds/id1605454852)

Create personalized soundscapes with a wide variety of high-definition nature sounds, rain, and white noise. Save your favorite mixes and use the built-in timer to automatically stop playback. Enjoy offline functionality and background mode for uninterrupted relaxation.

**Highlights:** HD sound collection, Mixable soundscapes, Customizable ambiences, Favorite sound mixes, Automatic timer, Offline functionality, Background mode

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Customization options
- 💤 Helps with sleep
- 🎨 Variety of sounds
- 💰 Free app

**What reviewers complain about**

- 🐛 Randomly shuts off
- 🔇 Lack of background playback

**Reported bugs**

- Randomly shuts off
- Incompatible with some devices

**Requested features**

- More sound options
- Improved background playback


## Frequently asked questions

### Is Rx2U free?

Rx2U is free to download, with no in-app purchases.

### Is Sleep Sounds .. free?

Sleep Sounds .. is free to download, with no in-app purchases.

### Do Rx2U or Sleep Sounds .. have ads?

Sleep Sounds .. shows ads; Rx2U does not.

### Which is updated more often, Rx2U or Sleep Sounds ..?

Rx2U ships an update every 41 months, and Sleep Sounds .. every 38 months. Most recently, Rx2U was updated on October 8, 2026 and Sleep Sounds .. on October 25, 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.*