# onSleep vs Noctara

The clearest difference is update cadence: Noctara at every 5 days against onSleep's monthly. onSleep's advantage is iOS requirement (15.1 vs 17). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. onSleep sells 2 in-app purchases, starting at $3.99 per month and Noctara sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

onSleep ships an update monthly, Noctara every 5 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | onSleep | Noctara |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Size | 73 MB | 9 MB |
| Requires iOS | **15.1** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [appsix](https://appshunter.io/developer/1867625178) | [KIENY KWAN](https://appshunter.io/developer/1812131057) |

## What reviewers say

### onSleep

[App page](https://appshunter.io/ios/app/onsleep-sleep-tracker-and-diary/id6757688486)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| onSleep Pro Monthly Plan | $3.99 | per month |
| onSleep Pro Yearly Plan | $29.99 | per year |


### Noctara

[App page](https://appshunter.io/ios/app/noctara/id6761163036)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Noctara - Premium Monthly | $2.99 | per month |
| Noctara- Premium Annual | $29.99 | per year |


## Frequently asked questions

### Is onSleep free?

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

### Is Noctara free?

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

### Do onSleep or Noctara have ads?

Neither onSleep nor Noctara shows ads.

### Which is updated more often, onSleep or Noctara?

onSleep ships an update monthly, and Noctara every 5 days. Most recently, onSleep was updated on October 28, 2026 and Noctara on October 31, 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.*