# ReefBay vs Aquarium Tracker

The clearest difference is ratings volume: ReefBay at 479 against Aquarium Tracker's 4. ReefBay also leads on update cadence (every 8 days vs monthly). Aquarium Tracker's advantage is rating (5.0 vs 4.8). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. ReefBay sells 4 in-app purchases, starting at $4.99 per month and Aquarium Tracker sells 3 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Aquarium Tracker holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: ReefBay has 479 ratings behind it against 4, so its average is the more settled of the two.

ReefBay ships an update every 8 days, Aquarium Tracker monthly. Both last shipped on October 30, 2026.

## The numbers

| Metric | ReefBay | Aquarium Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (479 ratings)](https://appshunter.io/ios/app/reefbay/id6478054386/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/aquarium-tracker-acuaryo/id6749809692/reviews)** |
| Number of ratings | **479** | 4 |
| Positive reviews | 82.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 8 days** | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 88 MB | 60 MB |
| Requires iOS | 16.4 | **16.1** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Toolit Media LLC](https://appshunter.io/developer/1331221462) | [Akyno Apps](https://appshunter.io/developer/1827845576) |

## What reviewers say

### ReefBay

[App page](https://appshunter.io/ios/app/reefbay/id6478054386)

Manage your saltwater aquarium with this comprehensive app. Track water parameters, log inhabitants, and receive task reminders. Connect with a community of hobbyists, explore local marketplaces, and access helpful guides.

**Highlights:** Local marketplace for buying/selling, Explore coral and fish databases, Personalized tank profiles, Water parameter tracking with charts, Community forums and support, Task reminders for maintenance, Aquarium guides and resources

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ReefBay DeepDive | $4.99 | per month |
| ReefBay DeepDive | $4.99 | per month |
| ReefBay DeepDive | $29.99 | per year |
| ReefBay DeepDive | $39.99 | per year |

**What reviewers like**

- 👍 Intuitive and easy-to-use interface
- 📊 Comprehensive parameter tracking with visual graphs
- 🌐 Active community for sharing and learning
- 🛒 Integrated marketplace for buying/selling coral and equipment
- 💬 Social hub connecting reef keepers

**What reviewers complain about**

- 🐛 Coral identification feature is inaccurate
- 🎨 Inconsistent UI presentation and design
- ❌ Navigation dead ends and UI issues
- 📧 Excessive email notifications despite unsubscribing
- 🔐 Account deletion/data loss concerns

**Reported bugs**

- Coral ID misidentifies corals as fish
- App stopped working after update
- Cannot click create button due to text overlap
- Account mysteriously deleted
- Unsubscribe function not working for emails

**Requested features**

- Add ammonia and nitrite to water parameter tracking
- Improve coral identification accuracy
- Enhance UI consistency and presentation
- Better email notification management


### Aquarium Tracker

[App page](https://appshunter.io/ios/app/aquarium-tracker-acuaryo/id6749809692)

Organize and track all your aquarium logs, parameters, and maintenance tasks in one place. This personal assistant helps you monitor livestock, water quality, and essential care routines to ensure a healthy and thriving aquatic environment.

**Highlights:** Organize multiple aquariums, Manage livestock and health, Track water parameters, Schedule maintenance tasks, Complete aquarium history, Visual parameter alerts

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Monthly | $5.99 | per month |
| PRO Annual | $34.99 | per year |
| Remove Ads | $12.99 | one-time |


## Frequently asked questions

### Is ReefBay free?

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

### Is Aquarium Tracker free?

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

### Which has better reviews, ReefBay or Aquarium Tracker?

Aquarium Tracker is rated higher. ReefBay averages 4.8 out of 5 from 479 ratings, while Aquarium Tracker averages 5.0 from 4 ratings.

### Do ReefBay or Aquarium Tracker have ads?

Both ReefBay and Aquarium Tracker show ads.

### Which is updated more often, ReefBay or Aquarium Tracker?

ReefBay ships an update every 8 days, and Aquarium Tracker monthly. Most recently, ReefBay was updated on October 30, 2026 and Aquarium Tracker on October 30, 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.*