# Current USA LOOP vs Reef Trak

The clearest difference is review sentiment: Reef Trak at 100% against Current USA LOOP's 28%. Reef Trak 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 2) and iOS requirement (11.0 vs 17.0). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Reef Trak sells 2 in-app purchases, starting at $3.99 per month. Current USA LOOP asks for nothing beyond the download.

Reef Trak holds the better App Store score, 4.8 against 2.6. Both are backed by a comparable volume of ratings — 19 and 33 respectively. Written reviews point the same way: 28% of Current USA LOOP's written reviews are positive against 100% of Reef Trak's.

Current USA LOOP ships an update every 12 months, Reef Trak weekly. The most recent releases landed on September 19, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Current USA LOOP | Reef Trak |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (19 ratings)](https://appshunter.io/ios/app/current-usa-loop/id1242605170/reviews) | **[4.8 (33 ratings)](https://appshunter.io/ios/app/reef-trak-reef-manager/id6741099733/reviews)** |
| Number of ratings | 19 | **33** |
| Positive reviews | 28.1% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Weekly** |
| Monetization | **Free** | Freemium |
| Size | 4 MB | 109 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Current USA, Inc.](https://appshunter.io/developer/1242605169) | [Joe Marino](https://appshunter.io/developer/1793070192) |

## 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


### Reef Trak

[App page](https://appshunter.io/ios/app/reef-trak-reef-manager/id6741099733)

This app helps reef tank enthusiasts manage all aspects of their aquarium, from daily testing and livestock records to equipment tracking and maintenance schedules. It provides tools for data analysis, trend spotting, and preventing costly mistakes, offering both free and premium features.

**Highlights:** Parameter logging and trend charts, Livestock library with care profiles, Tank health snapshots and data export, Equipment and maintenance tracking, Dosing calculators and unit converters, Progress photo logging

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reef Trak Premium Monthly | $3.99 | per month |
| Reef Trak Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is Current USA LOOP free?

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

### Is Reef Trak free?

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

### Which has better reviews, Current USA LOOP or Reef Trak?

Reef Trak is rated higher. Current USA LOOP averages 2.6 out of 5 from 19 ratings, while Reef Trak averages 4.8 from 33 ratings.

### Do Current USA LOOP or Reef Trak have ads?

Neither Current USA LOOP nor Reef Trak shows ads.

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

Current USA LOOP ships an update every 12 months, and Reef Trak weekly. Most recently, Current USA LOOP was updated on September 19, 2026 and Reef Trak on September 23, 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.*