# Sea Focus vs Reef

The clearest difference is in-app purchases: Reef at none against Sea Focus's 3. Reef also leads on update cadence (every 2 days vs every 5 months) and iOS requirement (15.0 vs 17.2). On price, ads and device support there is nothing between them.

Both are free to download. Sea Focus sells 3 in-app purchases, starting at $3.99 per 7 days. Reef asks for nothing beyond the download.

Sea Focus ships an update every 5 months, Reef every 2 days. The most recent releases landed on September 5, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Sea Focus | Reef |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 days** |
| Size | 36 MB | 99 MB |
| Requires iOS | 17.2 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Cevahir Turgut](https://appshunter.io/developer/1296608296) | [Victor Laybats](https://appshunter.io/developer/6781441777) |

## What reviewers say

### Sea Focus

[App page](https://appshunter.io/ios/app/sea-focus-deep-work-timer/id6760896324)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly: Ocean Focus Timer Weekly | $3.99 | per 7 days |
| Monthly: Deep Work Focus Monthly | $6.99 | per month |
| Ocean Focus Deep Work Shield Yearly | $24.99 | per year |


### Reef

[App page](https://appshunter.io/ios/app/reef-habit-tracker-and-focus/id6781681916)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Sea Focus free?

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

### Is Reef free?

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

### Do Sea Focus or Reef have ads?

Neither Sea Focus nor Reef shows ads.

### Which is updated more often, Sea Focus or Reef?

Sea Focus ships an update every 5 months, and Reef every 2 days. Most recently, Sea Focus was updated on September 5, 2026 and Reef on September 17, 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.*