# SleepSafe vs epiderm.ai

The clearest difference is rating: epiderm.ai at 5.0 against SleepSafe's 4.5. epiderm.ai also leads on in-app purchases (none vs 2) and update cadence (every 4 days vs every 2 weeks). SleepSafe's advantage is ratings volume (12 vs 2). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SleepSafe sells 2 in-app purchases, starting at $6.99 per month. epiderm.ai asks for nothing beyond the download.

epiderm.ai holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: SleepSafe has 12 ratings behind it against 2, so its average is the more settled of the two.

SleepSafe ships an update every 2 weeks, epiderm.ai every 4 days. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | SleepSafe | epiderm.ai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (12 ratings)](https://appshunter.io/ios/app/sleepsafe-nightmare-relief/id6470836919/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/epidermai/id6748700476/reviews)** |
| Number of ratings | **12** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | Freemium | **Free** |
| Size | 58 MB | 30 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Oliver Lerstøl Hebnes](https://appshunter.io/developer/1714300498) | [Vivi Rusli](https://appshunter.io/developer/1709850023) |

## What reviewers say

### SleepSafe

[App page](https://appshunter.io/ios/app/sleepsafe-nightmare-relief/id6470836919)

This app uses your Apple Watch to detect nightmares and night terrors in real-time, gently guiding you back to sleep with haptic feedback. It also offers sleep analysis, a sleep talking recorder, and insights into stress and anxiety.

**Highlights:** Real-time nightmare detection, Gentle haptic interventions, Sleep talking recorder, Comprehensive sleep analysis, Personalized sleep score, Stress & anxiety insights

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $6.99 | per month |
| Yearly Premium | $44.99 | per year |


### epiderm.ai

[App page](https://appshunter.io/ios/app/epidermai/id6748700476)

Decode complex skincare ingredient lists instantly. Understand the function of each component to make informed decisions about your skin health and choose products that best suit your needs.

**Highlights:** Decode ingredient functions, Understand skincare ingredients, Make informed product decisions, Empower skincare journey

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SleepSafe free?

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

### Is epiderm.ai free?

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

### Which has better reviews, SleepSafe or epiderm.ai?

epiderm.ai is rated higher. SleepSafe averages 4.5 out of 5 from 12 ratings, while epiderm.ai averages 5.0 from 2 ratings.

### Do SleepSafe or epiderm.ai have ads?

Neither SleepSafe nor epiderm.ai shows ads.

### Which is updated more often, SleepSafe or epiderm.ai?

SleepSafe ships an update every 2 weeks, and epiderm.ai every 4 days. Most recently, SleepSafe was updated on November 7, 2026 and epiderm.ai on October 30, 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.*