# Fit and Phat vs ReefBay

The clearest difference is in-app purchases: Fit and Phat at none against ReefBay's 4. Fit and Phat also leads on ads (none vs shown). ReefBay's advantage is update cadence (every 8 days vs every 37 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. ReefBay sells 4 in-app purchases, starting at $4.99 per month. Fit and Phat asks for nothing beyond the download.

Fit and Phat ships an update every 37 months, ReefBay every 8 days. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Fit and Phat | ReefBay |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (488 ratings)](https://appshunter.io/ios/app/reefbay/id6478054386/reviews)** |
| Number of ratings | — | **488** |
| Positive reviews | — | 82.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 37 months | **Every 8 days** |
| Monetization | — | Free with in-app purchases |
| Size | 29 MB | 88 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Charity Lickfold](https://appshunter.io/developer/1593923404) | [Toolit Media LLC](https://appshunter.io/developer/1331221462) |

## What reviewers say

### Fit and Phat

[App page](https://appshunter.io/ios/app/fit-and-phat/id1593923402)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Fit and Phat free?

Fit and Phat is free to download, with no in-app purchases.

### Is ReefBay free?

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

### Do Fit and Phat or ReefBay have ads?

ReefBay shows ads; Fit and Phat does not.

### Which is updated more often, Fit and Phat or ReefBay?

Fit and Phat ships an update every 37 months, and ReefBay every 8 days. Most recently, Fit and Phat was updated on November 3, 2026 and ReefBay on November 8, 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.*