# ReefRanks vs ReefKeeper

The clearest difference is ads: ReefKeeper at none against ReefRanks's shown. ReefKeeper also leads on update cadence (weekly vs every 3 weeks). ReefRanks's advantage is iOS requirement (15.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. ReefRanks sells 4 in-app purchases, starting at $7.00 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.

ReefRanks ships an update every 3 weeks, ReefKeeper weekly. The most recent releases landed on October 12, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | ReefRanks | ReefKeeper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/reefranks/id6779229334/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 5 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [ReefRanks, LLC](https://appshunter.io/developer/6779229336) | [Jose Salcido](https://appshunter.io/developer/1895673171) |

## What reviewers say

### 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 |


### 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 ReefRanks free?

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

### Is ReefKeeper free?

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

### Do ReefRanks or ReefKeeper have ads?

ReefRanks shows ads; ReefKeeper does not.

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

ReefRanks ships an update every 3 weeks, and ReefKeeper weekly. Most recently, ReefRanks was updated on October 12, 2026 and ReefKeeper on October 13, 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.*