# Reefability vs Persisty

The clearest difference is in-app purchases: Persisty at none against Reefability's 9. 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. Persisty asks for nothing beyond the download.

## The numbers

| Metric | Reefability | Persisty |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (34 ratings)](https://appshunter.io/ios/app/reefability/id6636472070/reviews)** | — |
| Number of ratings | **34** | — |
| Positive reviews | 34.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 89 MB | 5 MB |
| Requires iOS | 15.0.0 | 15.0 |
| Devices | iPhone, iPad, iPod, Apple Watch | iPhone, iPad, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Reefability](https://appshunter.io/developer/1762764786) | [Daniel Kennedy](https://appshunter.io/developer/1762219307) |

## What reviewers say

### 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 |


### Persisty

[App page](https://appshunter.io/ios/app/persisty/id6755922654)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Reefability free?

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

### Is Persisty free?

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

### Do Reefability or Persisty have ads?

Neither Reefability nor Persisty shows ads.

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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.*