# Reeflo vs ReefKeeper

Reeflo and ReefKeeper are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Reeflo sells 2 in-app purchases, starting at $4.99 per month and ReefKeeper sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Reeflo ships an update every 6 days, ReefKeeper weekly. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Reeflo | ReefKeeper |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Weekly |
| Size | 8 MB | 5 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Develak](https://appshunter.io/developer/1803580275) | [Jose Salcido](https://appshunter.io/developer/1895673171) |

## What reviewers say

### Reeflo

[App page](https://appshunter.io/ios/app/reeflo-reef-aquarium-tracker/id6777350925)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reeflo Pro Monthly | $4.99 | per month |
| Reeflo Pro Annual | $29.99 | per year |


### ReefKeeper

[App page](https://appshunter.io/ios/app/reefkeeper-aquarium-tracker/id6780324072)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reef Keeper Pro Monthly | $4.99 | per month |
| Reef Keeper Pro Yearly | $44.99 | per year |
| Reef Keeper Pro: Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is Reeflo free?

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

### Is ReefKeeper free?

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

### Do Reeflo or ReefKeeper have ads?

Neither Reeflo nor ReefKeeper shows ads.

### Which is updated more often, Reeflo or ReefKeeper?

Reeflo ships an update every 6 days, and ReefKeeper weekly. Most recently, Reeflo was updated on October 29, 2026 and ReefKeeper on October 31, 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.*