# SleepFactory vs Okolee

The clearest difference is in-app purchases: SleepFactory at none against Okolee's 2. SleepFactory also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Okolee sells 2 in-app purchases, starting at $5.99 per month. SleepFactory asks for nothing beyond the download.

SleepFactory ships an update fortnightly, Okolee every 9 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | SleepFactory | Okolee |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 9 days** |
| Size | 124 MB | 97 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 12+ |
| Developer | [Klinika TES](https://appshunter.io/developer/1794022644) | [Petr Jelinek](https://appshunter.io/developer/1547225439) |

## What reviewers say

### SleepFactory

[App page](https://appshunter.io/ios/app/sleepfactory/id6741397244)

**In-app purchases:** none


### Okolee

[App page](https://appshunter.io/ios/app/okolee/id6766990286)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $5.99 | per month |
| Yearly | $49.99 | per year |


## Frequently asked questions

### Is SleepFactory free?

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

### Is Okolee free?

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

### Do SleepFactory or Okolee have ads?

Neither SleepFactory nor Okolee shows ads.

### Which is updated more often, SleepFactory or Okolee?

SleepFactory ships an update fortnightly, and Okolee every 9 days. Most recently, SleepFactory was updated on October 25, 2026 and Okolee on October 25, 2026.

---

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