# Current USA LOOP vs ReefBay

The clearest difference is review sentiment: ReefBay at 87% against Current USA LOOP's 28%. ReefBay also leads on rating (4.8 vs 2.6) and update cadence (weekly vs every 12 months). Current USA LOOP's advantage is in-app purchases (none vs 4) and ads (none vs shown). On price and device support there is nothing between them.

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

ReefBay holds the better App Store score, 4.8 against 2.6. That said, the two scores are not equally well evidenced: ReefBay has 448 ratings behind it against 19, so its average is the more settled of the two. Written reviews point the same way: 28% of Current USA LOOP's written reviews are positive against 87% of ReefBay's.

Current USA LOOP ships an update every 12 months, ReefBay weekly. The most recent releases landed on September 19, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Current USA LOOP | ReefBay |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (19 ratings)](https://appshunter.io/ios/app/current-usa-loop/id1242605170/reviews) | **[4.8 (448 ratings)](https://appshunter.io/ios/app/reefbay/id6478054386/reviews)** |
| Number of ratings | 19 | **448** |
| Positive reviews | 28.1% of reviews | **86.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 12 months | **Weekly** |
| Monetization | **Free** | Freemium |
| Size | 4 MB | 79 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Current USA, Inc.](https://appshunter.io/developer/1242605169) | [Toolit Media LLC](https://appshunter.io/developer/1331221462) |

## What reviewers say

### Current USA LOOP

[App page](https://appshunter.io/ios/app/current-usa-loop/id1242605170)

Wirelessly control and program your aquarium's lighting, wave pumps, and return pumps. Simulate realistic weather effects and monitor water temperature. Designed for users with compatible Current USA LOOP products.

**Highlights:** Wireless control via Bluetooth, Program lighting schedules, Simulate weather effects, Control wave and return pumps, On-demand FEED mode, Monitor water temperature, Natural weather and ocean sounds

**Features:** macOS Compatibility

**In-app purchases:** none


### ReefBay

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

Manage your saltwater aquarium with this app. Track water parameters, log inhabitants, and get task reminders. Connect with a community of hobbyists, explore a marketplace, and access guides for a thriving reef tank.

**Highlights:** Local marketplace for buying/selling, Explore coral and fish listings, Personalized tank profiles, Water parameter tracking, 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 Current USA LOOP free?

Current USA LOOP is free to download, with no in-app purchases.

### Is ReefBay free?

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

### Which has better reviews, Current USA LOOP or ReefBay?

ReefBay is rated higher. Current USA LOOP averages 2.6 out of 5 from 19 ratings, while ReefBay averages 4.8 from 448 ratings.

### Do Current USA LOOP or ReefBay have ads?

ReefBay shows ads; Current USA LOOP does not.

### Which is updated more often, Current USA LOOP or ReefBay?

Current USA LOOP ships an update every 12 months, and ReefBay weekly. Most recently, Current USA LOOP was updated on September 19, 2026 and ReefBay on September 25, 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.*