# Aquarist's Notes vs Aquarium Tracker

The clearest difference is ads: Aquarist's Notes at none against Aquarium Tracker's shown. Aquarist's Notes also leads on update cadence (every 6 days vs monthly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Aquarist's Notes sells 2 in-app purchases, starting at $1.99 per month and Aquarium Tracker sells 3 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Aquarist's Notes ships an update every 6 days, Aquarium Tracker monthly. The most recent releases landed on October 15, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Aquarist's Notes | Aquarium Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/aquarium-tracker-acuaryo/id6749809692/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 6 days** | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 16 MB | 60 MB |
| Requires iOS | 16.4 | **16.1** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ludek Slouf](https://appshunter.io/developer/1664390856) | [Akyno Apps](https://appshunter.io/developer/1827845576) |

## What reviewers say

### Aquarist's Notes

[App page](https://appshunter.io/ios/app/aquarists-notes/id6451252680)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $1.99 | per month |
| Annual subscription | $9.99 | per year |


### Aquarium Tracker

[App page](https://appshunter.io/ios/app/aquarium-tracker-acuaryo/id6749809692)

Organize and track all your aquarium logs, parameters, and maintenance tasks in one place. This personal assistant helps you monitor livestock, water quality, and essential care routines to ensure a healthy and thriving aquatic environment.

**Highlights:** Organize multiple aquariums, Manage livestock and health, Track water parameters, Schedule maintenance tasks, Complete aquarium history, Visual parameter alerts

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Monthly | $5.99 | per month |
| PRO Annual | $34.99 | per year |
| Remove Ads | $12.99 | one-time |


## Frequently asked questions

### Is Aquarist's Notes free?

Aquarist's Notes is free to download, with in-app purchases available.

### Is Aquarium Tracker free?

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

### Do Aquarist's Notes or Aquarium Tracker have ads?

Aquarium Tracker shows ads; Aquarist's Notes does not.

### Which is updated more often, Aquarist's Notes or Aquarium Tracker?

Aquarist's Notes ships an update every 6 days, and Aquarium Tracker monthly. Most recently, Aquarist's Notes was updated on October 15, 2026 and Aquarium Tracker on October 26, 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.*