# Reef Lab vs Reef Stability

The clearest difference is in-app purchases: Reef Lab at none against Reef Stability's 3. Reef Lab also leads on device support (3 vs 1) and iOS requirement (15.1 vs 18.0). On price and ads there is nothing between them.

Both are free to download. Reef Stability sells 3 in-app purchases, starting at $6.99 per month. Reef Lab asks for nothing beyond the download.

## The numbers

| Metric | Reef Lab | Reef Stability |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Size | 40 MB | 9 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nullpointer Labs LLC](https://appshunter.io/developer/1887095549) | [YUSUF AYDIN](https://appshunter.io/developer/6771871523) |

## What reviewers say

### Reef Lab

[App page](https://appshunter.io/ios/app/reef-lab/id6798386389)

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

**In-app purchases:** none


### Reef Stability

[App page](https://appshunter.io/ios/app/reef-stability-dosing-tracker/id6799461220)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $6.99 | per month |
| Premium Annual | $39.99 | per year |
| Premium Lifetime | $89.99 | one-time |


## Frequently asked questions

### Is Reef Lab free?

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

### Is Reef Stability free?

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

### Do Reef Lab or Reef Stability have ads?

Neither Reef Lab nor Reef Stability 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.*