# AquariumNotes vs fishkeepr

The clearest difference is in-app purchases: fishkeepr at none against AquariumNotes's 3. fishkeepr also leads on ads (none vs shown) and update cadence (every 4 days vs monthly). On price and device support there is nothing between them.

Both are free to download. AquariumNotes sells 3 in-app purchases, starting at $2.99 per month. fishkeepr asks for nothing beyond the download.

AquariumNotes ships an update monthly, fishkeepr every 4 days. The most recent releases landed on September 23, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | AquariumNotes | fishkeepr |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 4 days** |
| Size | 7 MB | 66 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yusuke Morimoto](https://appshunter.io/developer/1702989537) | [CADEN ALEC HENDERSON](https://appshunter.io/developer/1890594919) |

## What reviewers say

### AquariumNotes

[App page](https://appshunter.io/ios/app/aquariumnotes/id6480376453)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PremiumMember/1Month | $2.99 | per month |
| PremiumMember/6Month | $9.99 | per 6 months |
| PremiumMember/1Year | $19.99 | per year |


### fishkeepr

[App page](https://appshunter.io/ios/app/fishkeepr/id6761639983)

**Features:** Family Sharing

**In-app purchases:** none


## Frequently asked questions

### Is AquariumNotes free?

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

### Is fishkeepr free?

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

### Do AquariumNotes or fishkeepr have ads?

AquariumNotes shows ads; fishkeepr does not.

### Which is updated more often, AquariumNotes or fishkeepr?

AquariumNotes ships an update monthly, and fishkeepr every 4 days. Most recently, AquariumNotes was updated on September 23, 2026 and fishkeepr on September 15, 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.*