# Aquarist's Notes vs Acuario Manager

The clearest difference is in-app purchases: Acuario Manager at none against Aquarist's Notes's 2. Acuario Manager also leads on update cadence (every 2 days vs every 6 days). Aquarist's Notes's advantage is ads (none vs shown). On price, 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. Acuario Manager asks for nothing beyond the download.

Aquarist's Notes ships an update every 6 days, Acuario Manager every 2 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Aquarist's Notes | Acuario Manager |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 6 days | **Every 2 days** |
| Size | 16 MB | 111 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ludek Slouf](https://appshunter.io/developer/1664390856) | [Gtphone](https://appshunter.io/developer/6798597332) |

## 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 |


### Acuario Manager

[App page](https://appshunter.io/ios/app/acuario-manager/id6804070497)

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

**In-app purchases:** none


## Frequently asked questions

### Is Aquarist's Notes free?

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

### Is Acuario Manager free?

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

### Do Aquarist's Notes or Acuario Manager have ads?

Acuario Manager shows ads; Aquarist's Notes does not.

### Which is updated more often, Aquarist's Notes or Acuario Manager?

Aquarist's Notes ships an update every 6 days, and Acuario Manager every 2 days. Most recently, Aquarist's Notes was updated on October 30, 2026 and Acuario Manager 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.*