# Seatorch Link vs Reefability

The clearest difference is in-app purchases: Seatorch Link at none against Reefability's 2. Seatorch Link also leads on iOS requirement (12.0 vs 15.0.0). Reefability's advantage is update cadence (every 4 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Reefability sells 2 in-app purchases, starting at $5.99 per month. Seatorch Link asks for nothing beyond the download.

Seatorch Link ships an update every 2 months, Reefability every 4 days. The most recent releases landed on September 19, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Seatorch Link | Reefability |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.9 (29 ratings)](https://appshunter.io/ios/app/reefability/id6636472070/reviews)** |
| Number of ratings | — | **29** |
| Positive reviews | — | 26.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 56 MB | 70 MB |
| Requires iOS | **12.0** | 15.0.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [志明 廖](https://appshunter.io/developer/1615501998) | [Reefability](https://appshunter.io/developer/1762764786) |

## What reviewers say

### Seatorch Link

[App page](https://appshunter.io/ios/app/seatorch-link/id1640820706)

**Features:** macOS Compatibility

**In-app purchases:** none


### Reefability

[App page](https://appshunter.io/ios/app/reefability/id6636472070)

This AI-powered app offers scientific precision for managing coral reef aquariums. It analyzes microbiome health, water chemistry, and light optimization, and can identify issues from tank photos. It provides tools for hobbyists and professionals to maintain thriving reef ecosystems.

**Highlights:** AI-driven analysis of reef tank health, Smart photo diagnostics for issue identification, Evidence-based solutions and recommendations, Ecosystem stability insights, Professional tools for reef stores and professionals, Integrated parameter monitoring

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1-Month | $5.99 | per month |
| 12-Month | $24.99 | per year |


## Frequently asked questions

### Is Seatorch Link free?

Seatorch Link is free to download, with no in-app purchases.

### Is Reefability free?

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

### Do Seatorch Link or Reefability have ads?

Neither Seatorch Link nor Reefability shows ads.

### Which is updated more often, Seatorch Link or Reefability?

Seatorch Link ships an update every 2 months, and Reefability every 4 days. Most recently, Seatorch Link was updated on September 19, 2026 and Reefability 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.*