# Reefi vs ReefRanks

The clearest difference is update cadence: Reefi at every 10 days against ReefRanks's every 6 weeks. ReefRanks's advantage is ratings volume (3 vs 1). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Reefi sells 3 in-app purchases, starting at $3.99 per 7 days and ReefRanks sells 4 in-app purchases, starting at $7.00 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Reefi against 5.0 for ReefRanks. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

Reefi ships an update every 10 days, ReefRanks every 6 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Reefi | ReefRanks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/reefi-aquarium-tracker/id6756351188/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/reefranks/id6779229334/reviews) |
| Number of ratings | 1 | **3** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 10 days** | Every 6 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 65 MB | 4 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Tibbe Naarding](https://appshunter.io/developer/1860234190) | [ReefRanks, LLC](https://appshunter.io/developer/6779229336) |

## What reviewers say

### Reefi

[App page](https://appshunter.io/ios/app/reefi-aquarium-tracker/id6756351188)

This app helps aquarium owners manage their tanks with smart tools for tracking water parameters, maintenance, and livestock health. It provides reminders, a dosing calculator, and an AI coach to ensure a healthy aquatic ecosystem.

**Highlights:** Water parameter tracking, Maintenance reminders, Dosing calculator, Livestock health logs, Equipment management, AI aquarium coach

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reefi Pro Weekly | $3.99 | per 7 days |
| Reefi Pro Monthly | $9.99 | per month |
| Reefi Pro Annual | $79.99 | per year |


### ReefRanks

[App page](https://appshunter.io/ios/app/reefranks/id6779229334)

This app allows saltwater reef hobbyists to create a digital portfolio of their coral collections. It uses AI for coral identification, unlocks collectible cards, and fosters a global community for enthusiasts to connect and share their passion.

**Highlights:** Digital coral collection portfolio, AI-powered coral verification, Collectible Coral Cards, ReefXP and leaderboards, Extensive coral database, Coral marketplace, Community profiles and connections

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Collector Monthly | $7.00 | per month |
| Pro Reefer Monthly | $15.00 | per month |
| Collector Yearly | $70.00 | per year |
| Pro Reefer Yearly | $150.00 | per year |


## Frequently asked questions

### Is Reefi free?

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

### Is ReefRanks free?

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

### Which has better reviews, Reefi or ReefRanks?

Reefi and ReefRanks are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

### Do Reefi or ReefRanks have ads?

Both Reefi and ReefRanks show ads.

### Which is updated more often, Reefi or ReefRanks?

Reefi ships an update every 10 days, and ReefRanks every 6 weeks. Most recently, Reefi was updated on October 30, 2026 and ReefRanks 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.*