# Coralytic vs ReefNote

The clearest difference is in-app purchases: Coralytic at none against ReefNote's 3. Coralytic also leads on update cadence (daily vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ReefNote sells 3 in-app purchases, starting at $5.99 per month. Coralytic asks for nothing beyond the download.

Coralytic ships an update daily, ReefNote every 3 weeks. Both last shipped on October 28, 2026.

## The numbers

| Metric | Coralytic | ReefNote |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/coralytic-reef-tank-tracker/id6768277786/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 3 weeks |
| Monetization | Freemium | — |
| Size | 13 MB | 6 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Lime Network LLC](https://appshunter.io/developer/1895008969) | [InnovaLabWorks](https://appshunter.io/developer/1888514726) |

## What reviewers say

### Coralytic

[App page](https://appshunter.io/ios/app/coralytic-reef-tank-tracker/id6768277786)

This app helps saltwater aquarium hobbyists track water parameters, monitor livestock, and receive AI-driven insights for reef health. It offers features like quick logging, maintenance scheduling, and a comprehensive livestock library, all within a user-friendly interface.

**Highlights:** Track 15 water parameters, Quick Log water parameters, Charts with target ranges, Reef Score™ health metric, Maintenance scheduler, Livestock library, ICP results entry, AI Insights recommendations

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

**In-app purchases:** none


### ReefNote

[App page](https://appshunter.io/ios/app/reefnote-aquarium-log/id6788604575)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ReefNote Pro | $5.99 | per month |
| ReefNote Pro | $34.99 | per year |
| ReefNote Lifetime | $2.99 | one-time |


## Frequently asked questions

### Is Coralytic free?

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

### Is ReefNote free?

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

### Do Coralytic or ReefNote have ads?

Neither Coralytic nor ReefNote shows ads.

### Which is updated more often, Coralytic or ReefNote?

Coralytic ships an update daily, and ReefNote every 3 weeks. Most recently, Coralytic was updated on October 28, 2026 and ReefNote on October 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*