# Reefly vs AquaKeeper

The clearest difference is ads: Reefly at none against AquaKeeper's shown. Reefly also leads on update cadence (daily vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Reefly sells 2 in-app purchases, starting at $3.99 per month and AquaKeeper sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Reefly ships an update daily, AquaKeeper every 2 months. The most recent releases landed on October 11, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Reefly | AquaKeeper |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Every 2 months |
| Size | 3 MB | 18 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Justinas Kristopaitis](https://appshunter.io/developer/1812310636) | [Trang Le](https://appshunter.io/developer/1797500654) |

## What reviewers say

### Reefly

[App page](https://appshunter.io/ios/app/reefly/id6766267836)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ReefLog Pro | $3.99 | per month |
| ReefLog Pro | $17.99 | per year |


### AquaKeeper

[App page](https://appshunter.io/ios/app/aquakeeper-fish-tank-tracker/id6773038204)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Month | $0.99 | per month |
| One Year | $8.99 | per year |
| Lifetime | $12.99 | one-time |


## Frequently asked questions

### Is Reefly free?

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

### Is AquaKeeper free?

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

### Do Reefly or AquaKeeper have ads?

AquaKeeper shows ads; Reefly does not.

### Which is updated more often, Reefly or AquaKeeper?

Reefly ships an update daily, and AquaKeeper every 2 months. Most recently, Reefly was updated on October 11, 2026 and AquaKeeper on October 22, 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.*