# Focus Aquarium vs Focus Correction

The clearest difference is device support: Focus Correction at 3 against Focus Aquarium's 1. Focus Correction also leads on iOS requirement (15.1 vs 18.6). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Focus Aquarium sells 3 in-app purchases, starting at $3.99 per month and Focus Correction sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Focus Aquarium | Focus Correction |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Size | 45 MB | 43 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ERIK MICHAEL HAFTEL](https://appshunter.io/developer/1884769516) | [AgileNPI LLC](https://appshunter.io/developer/6774055295) |

## 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 Correction

[App page](https://appshunter.io/ios/app/focus-correction/id6774055293)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Early Bird Full Unlock | $1.99 | one-time |
| Full Unlock | $2.99 | one-time |


## Frequently asked questions

### Is Focus Aquarium free?

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

### Is Focus Correction free?

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

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

Neither Focus Aquarium nor Focus Correction shows ads.

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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.*