# Aquael BT vs Reefability

The clearest difference is review sentiment: Aquael BT at 100% against Reefability's 34%. Aquael BT also leads on rating (4.8 vs 3.0) and in-app purchases (none vs 9). Reefability's advantage is update cadence (every 2 days vs every 3 weeks) and ratings volume (34 vs 6). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Reefability sells 9 in-app purchases, starting at $9.99 per month. Aquael BT asks for nothing beyond the download.

Aquael BT holds the better App Store score, 4.8 against 3.0. That said, the two scores are not equally well evidenced: Reefability has 34 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 100% of Aquael BT's written reviews are positive against 34% of Reefability's.

Aquael BT ships an update every 3 weeks, Reefability every 2 days. The most recent releases landed on October 8, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Aquael BT | Reefability |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (6 ratings)](https://appshunter.io/ios/app/aquael-bt/id6449745648/reviews)** | [3.0 (34 ratings)](https://appshunter.io/ios/app/reefability/id6636472070/reviews) |
| Number of ratings | 6 | **34** |
| Positive reviews | **100.0% of reviews** | 34.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 166 MB | 89 MB |
| Requires iOS | 15.0 | 15.0.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [AQUAEL SP Z O O](https://appshunter.io/developer/1146413127) | [Reefability](https://appshunter.io/developer/1762764786) |

## What reviewers say

### Aquael BT

[App page](https://appshunter.io/ios/app/aquael-bt/id6449745648)

Control your aquarium's lighting, filtration, and heating remotely. Create custom light cycles, adjust filter flow, and monitor temperature from anywhere in the world. Features include shared access and PIN protection for settings.

**Highlights:** Remote aquarium device control, Customizable lighting modes and spectra, Programmable sunrise/sunset cycles, Adjustable filter flow and precise heating, Feeding mode for controlled food placement, Shared access for collaborative management, PIN protection for settings

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

**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, Apple Watch app, Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1-Month | $9.99 | per month |
| Controller plan (monthly) | $11.99 | per month |
| 12-Month | $34.99 | per year |
| Controller plan (annual) | $49.99 | per year |
| Day pass | $1.99 | one-time |
| 5 tank rebuilds | $2.99 | one-time |
| Week pass | $4.99 | one-time |
| 15 tank rebuilds | $6.99 | one-time |
| Month pass | $12.99 | one-time |


## Frequently asked questions

### Is Aquael BT free?

Aquael BT is free to download, with no in-app purchases.

### Is Reefability free?

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

### Which has better reviews, Aquael BT or Reefability?

Aquael BT is rated higher. Aquael BT averages 4.8 out of 5 from 6 ratings, while Reefability averages 3.0 from 34 ratings.

### Do Aquael BT or Reefability have ads?

Neither Aquael BT nor Reefability shows ads.

### Which is updated more often, Aquael BT or Reefability?

Aquael BT ships an update every 3 weeks, and Reefability every 2 days. Most recently, Aquael BT was updated on October 8, 2026 and Reefability on October 15, 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.*