# Epio vs Sleep Diary by Psyktest

The clearest difference is in-app purchases: Sleep Diary by Psyktest at none against Epio's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Epio sells 2 in-app purchases, starting at $3.99 per month. Sleep Diary by Psyktest asks for nothing beyond the download.

Epio ships an update fortnightly, Sleep Diary by Psyktest every 3 weeks. The most recent releases landed on October 18, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Epio | Sleep Diary by Psyktest |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Size | 49 MB | 56 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [dHealth AS](https://appshunter.io/developer/1561756341) | [Lavamilk AS](https://appshunter.io/developer/1832836684) |

## What reviewers say

### Epio

[App page](https://appshunter.io/ios/app/epio/id1561756339)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Epio member (medlemsrabatt) | $3.99 | per month |
| Epio member | $7.49 | per month |


### Sleep Diary by Psyktest

[App page](https://appshunter.io/ios/app/sleep-diary-by-psyktest/id6749919068)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Epio free?

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

### Is Sleep Diary by Psyktest free?

Sleep Diary by Psyktest is free to download, with no in-app purchases.

### Do Epio or Sleep Diary by Psyktest have ads?

Neither Epio nor Sleep Diary by Psyktest shows ads.

### Which is updated more often, Epio or Sleep Diary by Psyktest?

Epio ships an update fortnightly, and Sleep Diary by Psyktest every 3 weeks. Most recently, Epio was updated on October 18, 2026 and Sleep Diary by Psyktest on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*