# ObsidianGO vs Aquaro

The clearest difference is update cadence: Aquaro at every 3 weeks against ObsidianGO's every 18 months. ObsidianGO's advantage is iOS requirement (9.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ObsidianGO ships an update every 18 months, Aquaro every 3 weeks. The most recent releases landed on October 2, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | ObsidianGO | Aquaro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 3 weeks** |
| Size | 17 MB | 47 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KanDao Technology Co.,Ltd](https://appshunter.io/developer/1269464488) | [Aquaro d.o.o.](https://appshunter.io/developer/1798952078) |

## What reviewers say

### ObsidianGO

[App page](https://appshunter.io/ios/app/obsidiango/id1372731153)

**Features:** macOS Compatibility

**In-app purchases:** none


### Aquaro

[App page](https://appshunter.io/ios/app/aquaro/id6742553999)

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

**In-app purchases:** none


## Frequently asked questions

### Is ObsidianGO free?

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

### Is Aquaro free?

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

### Do ObsidianGO or Aquaro have ads?

Neither ObsidianGO nor Aquaro shows ads.

### Which is updated more often, ObsidianGO or Aquaro?

ObsidianGO ships an update every 18 months, and Aquaro every 3 weeks. Most recently, ObsidianGO was updated on October 2, 2026 and Aquaro on October 13, 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.*