# OrionLed vs Aquarium Notebook

The clearest difference is in-app purchases: OrionLed at none against Aquarium Notebook's 1. OrionLed also leads on ads (none vs shown). Aquarium Notebook's advantage is update cadence (weekly vs monthly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Aquarium Notebook sells 1 one-off in-app purchase. OrionLed asks for nothing beyond the download.

OrionLed ships an update monthly, Aquarium Notebook weekly. The most recent releases landed on November 4, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | OrionLed | Aquarium Notebook |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Weekly** |
| Size | 20 MB | 28 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Innolife Mekatronik Muhendislik ve Danismanlik San. Tic. Ltd. Sti.](https://appshunter.io/developer/1441310498) | [HALIL UYDURAN](https://appshunter.io/developer/6797798817) |

## What reviewers say

### OrionLed

[App page](https://appshunter.io/ios/app/orionled/id6670503904)

**Features:** macOS Compatibility

**In-app purchases:** none


### Aquarium Notebook

[App page](https://appshunter.io/ios/app/aquarium-notebook-breeding/id6797798455)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $2.99 | one-time |


## Frequently asked questions

### Is OrionLed free?

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

### Is Aquarium Notebook free?

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

### Do OrionLed or Aquarium Notebook have ads?

Aquarium Notebook shows ads; OrionLed does not.

### Which is updated more often, OrionLed or Aquarium Notebook?

OrionLed ships an update monthly, and Aquarium Notebook weekly. Most recently, OrionLed was updated on November 4, 2026 and Aquarium Notebook on November 10, 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.*