# Ocean Deep Meditation Timer vs CENTRO

The clearest difference is in-app purchases: Ocean Deep Meditation Timer at none against CENTRO's 2. Ocean Deep Meditation Timer also leads on ads (none vs shown). CENTRO's advantage is iOS requirement (16.4 vs 26.2). On price and device support there is nothing between them.

Both are free to download. CENTRO sells 2 in-app purchases, starting at $8.99 per month. Ocean Deep Meditation Timer asks for nothing beyond the download.

## The numbers

| Metric | Ocean Deep Meditation Timer | CENTRO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 6 days |
| Size | 2 MB | 64 MB |
| Requires iOS | 26.2 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Gergely Balint Doczy](https://appshunter.io/developer/1883475451) | [HUSSEIN GHADDAR](https://appshunter.io/developer/6774019581) |

## What reviewers say

### Ocean Deep Meditation Timer

[App page](https://appshunter.io/ios/app/ocean-deep-meditation-timer/id6760252509)

**In-app purchases:** none


### CENTRO

[App page](https://appshunter.io/ios/app/centro-nervous-system/id6774019579)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $8.99 | per month |
| Annual Plan | $69.99 | per year |


## Frequently asked questions

### Is Ocean Deep Meditation Timer free?

Ocean Deep Meditation Timer is free to download, with no in-app purchases.

### Is CENTRO free?

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

### Do Ocean Deep Meditation Timer or CENTRO have ads?

CENTRO shows ads; Ocean Deep Meditation Timer does not.

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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.*