# Reef Trak vs SunnyReef

The clearest difference is update cadence: SunnyReef at every 3 days against Reef Trak's weekly. Reef Trak's advantage is iOS requirement (17.0 vs 26.5). On price, ads, in-app purchases and device support there is nothing between them.

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

Reef Trak ships an update weekly, SunnyReef every 3 days. Both last shipped on October 23, 2026.

## The numbers

| Metric | Reef Trak | SunnyReef |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (44 ratings)](https://appshunter.io/ios/app/reef-trak-reef-manager/id6741099733/reviews)** | — |
| Number of ratings | **44** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Freemium | — |
| Size | 121 MB | 15 MB |
| Requires iOS | **17.0** | 26.5 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Reef Research Labs LLC](https://appshunter.io/developer/1793070192) | [Lukasz Litwin](https://appshunter.io/developer/6779138203) |

## What reviewers say

### Reef Trak

[App page](https://appshunter.io/ios/app/reef-trak-reef-manager/id6741099733)

This app helps reef tank enthusiasts manage all aspects of their aquarium, from daily testing and livestock records to equipment tracking and maintenance schedules. It provides tools for data analysis, trend spotting, and preventing costly mistakes, offering both free and premium features.

**Highlights:** Parameter logging and trend charts, Livestock library with care profiles, Tank health snapshots and data export, Equipment and maintenance tracking, Dosing calculators and unit converters, Progress photo logging

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reef Trak Premium Monthly | $3.99 | per month |
| Reef Trak Lifetime | $9.99 | one-time |


### SunnyReef

[App page](https://appshunter.io/ios/app/sunnyreef/id6779138201)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SunnyReef Premium Monthly | $3.99 | per month |
| SunnyReef Premium Annual | $24.99 | per year |


## Frequently asked questions

### Is Reef Trak free?

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

### Is SunnyReef free?

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

### Do Reef Trak or SunnyReef have ads?

Neither Reef Trak nor SunnyReef shows ads.

### Which is updated more often, Reef Trak or SunnyReef?

Reef Trak ships an update weekly, and SunnyReef every 3 days. Most recently, Reef Trak was updated on October 23, 2026 and SunnyReef on October 23, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*