# spacedesk vs FlowAnalyzer Viewer

The clearest difference is update cadence: spacedesk at every 3 weeks against FlowAnalyzer Viewer's every 2 months. spacedesk also leads on iOS requirement (9.3 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. spacedesk sells 11 one-off in-app purchases and FlowAnalyzer Viewer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

spacedesk ships an update every 3 weeks, FlowAnalyzer Viewer every 2 months. The most recent releases landed on October 20, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | spacedesk | FlowAnalyzer Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (2.2K ratings)](https://appshunter.io/ios/app/spacedesk-usb-display-for-pc/id1069217220/reviews)** | — |
| Number of ratings | **2.2K** | — |
| Positive reviews | 71.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 17 MB | 1 MB |
| Requires iOS | **9.3** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [datronicsoft Technology GmbH](https://appshunter.io/developer/1069217219) | [Transparent Blue Water LLC](https://appshunter.io/developer/1847968351) |

## What reviewers say

### spacedesk

[App page](https://appshunter.io/ios/app/spacedesk-usb-display-for-pc/id1069217220)

Extend your Windows PC's desktop to another device wirelessly or via USB. Use your tablet or phone as a drawing tablet or a portable second monitor for travel and productivity.

**Highlights:** Windows desktop extension, Screen mirroring, Remote desktop viewer, Drawing tablet functionality, Wireless display monitor, USB display monitor, Remote control

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Business License: 46-50 Conn. | $9.00 | one-time |
| Business License: 41-45 Conn. | $18.00 | one-time |
| Business License: 1 connection | $19.00 | one-time |
| Business License: 36-40 Conn. | $25.00 | one-time |
| Business License: 31-35 Conn. | $35.00 | one-time |
| Business License: 26-30 Conn. | $45.00 | one-time |
| Business License: 21-25 Conn. | $50.00 | one-time |
| Business License: 16-20 Conn. | $59.00 | one-time |
| Business License: 11-15 Conn. | $60.00 | one-time |
| Business License: 6-10 Conn. | $70.00 | one-time |
| Business License: 2-5 Conn. | $79.00 | one-time |


### FlowAnalyzer Viewer

[App page](https://appshunter.io/ios/app/flowanalyzer-viewer/id6754879365)

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

**In-app purchases (1)**

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


## Frequently asked questions

### Is spacedesk free?

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

### Is FlowAnalyzer Viewer free?

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

### Do spacedesk or FlowAnalyzer Viewer have ads?

Neither spacedesk nor FlowAnalyzer Viewer shows ads.

### Which is updated more often, spacedesk or FlowAnalyzer Viewer?

spacedesk ships an update every 3 weeks, and FlowAnalyzer Viewer every 2 months. Most recently, spacedesk was updated on October 20, 2026 and FlowAnalyzer Viewer on October 21, 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.*