# ReefNote vs Reef Notes

The clearest difference is update cadence: Reef Notes at every 6 days against ReefNote's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ReefNote sells 3 in-app purchases, starting at $5.99 per month and Reef Notes sells 1 in-app purchase, starting at $19.99 per year. Whichever you choose, the download price is not the number that matters.

ReefNote ships an update every 3 weeks, Reef Notes every 6 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | ReefNote | Reef Notes |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Size | 6 MB | 10 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [InnovaLabWorks](https://appshunter.io/developer/1888514726) | [师兵 杜](https://appshunter.io/developer/6790610236) |

## What reviewers say

### 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 |


### Reef Notes

[App page](https://appshunter.io/ios/app/reef-notes-saltwater-tank/id6794147577)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reef Notes Pro | $19.99 | per year |


## Frequently asked questions

### Is ReefNote free?

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

### Is Reef Notes free?

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

### Do ReefNote or Reef Notes have ads?

Neither ReefNote nor Reef Notes shows ads.

### Which is updated more often, ReefNote or Reef Notes?

ReefNote ships an update every 3 weeks, and Reef Notes every 6 days. Most recently, ReefNote was updated on October 31, 2026 and Reef Notes on October 31, 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.*