# Spatial Sleep vs ILYEO

The clearest difference is review sentiment: ILYEO at 100% against Spatial Sleep's 0%. ILYEO also leads on update cadence (every 3 days vs every 3 months) and rating (5.0 vs 4.6). Spatial Sleep's advantage is ratings volume (11 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

ILYEO holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Spatial Sleep has 11 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Spatial Sleep's written reviews are positive against 100% of ILYEO's.

Spatial Sleep ships an update every 3 months, ILYEO every 3 days. The most recent releases landed on October 2, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Spatial Sleep | ILYEO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (11 ratings)](https://appshunter.io/ios/app/spatial-sleep/id6449580101/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ilyeo/id6782918454/reviews)** |
| Number of ratings | **11** | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | Free | Free |
| Size | 131 MB | 50 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Sound Health Systems, Inc.](https://appshunter.io/developer/1500011226) | [Joylux Inc.](https://appshunter.io/developer/1052879099) |

## What reviewers say

### Spatial Sleep

[App page](https://appshunter.io/ios/app/spatial-sleep/id6449580101)

This science-backed app uses acoustic resonance harmonies, paired with a wearable headband, to help users fall asleep faster, stay asleep longer, and wake up refreshed. It offers drug-free, non-invasive sleep support and includes post-sleep breathwork and brain teaser games.

**Highlights:** Acoustic resonance harmonies for sleep, Wearable headband integration, Clinically proven sleep improvement, Drug-free and non-invasive, Personalized harmonies via machine learning, Post-sleep breathwork exercises, Brain teaser games for alertness

**Features:** macOS Compatibility

**In-app purchases:** none


### ILYEO

[App page](https://appshunter.io/ios/app/ilyeo/id6782918454)

This app guides users through red-light therapy sessions using a connected device. It offers personalized treatment plans, placement instructions, and pain tracking to help manage muscle and joint discomfort.

**Highlights:** Personalized treatment protocols, Guided placement instructions, Session calendar and reminders, Pain tracking and progress logging, Bluetooth device connectivity

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

**In-app purchases:** none


## Frequently asked questions

### Is Spatial Sleep free?

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

### Is ILYEO free?

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

### Which has better reviews, Spatial Sleep or ILYEO?

ILYEO is rated higher. Spatial Sleep averages 4.6 out of 5 from 11 ratings, while ILYEO averages 5.0 from 1 ratings.

### Do Spatial Sleep or ILYEO have ads?

Neither Spatial Sleep nor ILYEO shows ads.

### Which is updated more often, Spatial Sleep or ILYEO?

Spatial Sleep ships an update every 3 months, and ILYEO every 3 days. Most recently, Spatial Sleep was updated on October 2, 2026 and ILYEO on October 3, 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.*