# Focus Aquarium vs Focus Dive

The clearest difference is in-app purchases: Focus Dive at none against Focus Aquarium's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Focus Aquarium sells 3 in-app purchases, starting at $3.99 per month. Focus Dive asks for nothing beyond the download.

Focus Aquarium ships an update fortnightly, Focus Dive every 11 days. The most recent releases landed on September 11, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | Focus Aquarium | Focus Dive |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 11 days** |
| Size | 45 MB | 62 MB |
| Requires iOS | 18.6 | **18.2** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [ERIK MICHAEL HAFTEL](https://appshunter.io/developer/1884769516) | [Seung Ah Shin](https://appshunter.io/developer/1867877223) |

## What reviewers say

### Focus Aquarium

[App page](https://appshunter.io/ios/app/focus-aquarium/id6760512225)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Monthly) | $3.99 | per month |
| Premium (Yearly) | $29.99 | per year |
| Premium (Lifetime) | $59.99 | one-time |


### Focus Dive

[App page](https://appshunter.io/ios/app/focus-dive-study-work-timer/id6760871510)

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

**In-app purchases:** none


## Frequently asked questions

### Is Focus Aquarium free?

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

### Is Focus Dive free?

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

### Do Focus Aquarium or Focus Dive have ads?

Neither Focus Aquarium nor Focus Dive shows ads.

### Which is updated more often, Focus Aquarium or Focus Dive?

Focus Aquarium ships an update fortnightly, and Focus Dive every 11 days. Most recently, Focus Aquarium was updated on September 11, 2026 and Focus Dive on May 16, 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.*