# Grow Light Smart Controller vs Reef Trak

The clearest difference is in-app purchases: Grow Light Smart Controller at none against Reef Trak's 2. Grow Light Smart Controller also leads on iOS requirement (9.0 vs 17.0). Reef Trak's advantage is update cadence (weekly vs every 3 months). On price, 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. Grow Light Smart Controller asks for nothing beyond the download.

Grow Light Smart Controller ships an update every 3 months, Reef Trak weekly. The most recent releases landed on September 19, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Grow Light Smart Controller | Reef Trak |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (33 ratings)](https://appshunter.io/ios/app/reef-trak-reef-manager/id6741099733/reviews)** |
| Number of ratings | — | **33** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | — | Freemium |
| Size | 25 MB | 109 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [黎 向](https://appshunter.io/developer/1143445440) | [Joe Marino](https://appshunter.io/developer/1793070192) |

## What reviewers say

### Grow Light Smart Controller

[App page](https://appshunter.io/ios/app/grow-light-smart-controller/id1346509105)

**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 Grow Light Smart Controller free?

Grow Light Smart Controller is free to download, with no in-app purchases.

### Is Reef Trak free?

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

### Do Grow Light Smart Controller or Reef Trak have ads?

Neither Grow Light Smart Controller nor Reef Trak shows ads.

### Which is updated more often, Grow Light Smart Controller or Reef Trak?

Grow Light Smart Controller ships an update every 3 months, and Reef Trak weekly. Most recently, Grow Light Smart Controller 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.*