# Fasoo Secure Viewer vs Spatial Sketcher

The clearest difference is device support: Fasoo Secure Viewer at 3 against Spatial Sketcher's 1. Fasoo Secure Viewer also leads on iOS requirement (15.0 vs 17.6). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Fasoo Secure Viewer ships an update every 6 weeks, Spatial Sketcher every 2 months. The most recent releases landed on October 10, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Fasoo Secure Viewer | Spatial Sketcher |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Size | 118 MB | 1 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Fasoo AI Co., Ltd.](https://appshunter.io/developer/429136974) | [EDWIN ZHAO](https://appshunter.io/developer/1871205427) |

## What reviewers say

### Fasoo Secure Viewer

[App page](https://appshunter.io/ios/app/fasoo-secure-viewer/id6478472132)

**In-app purchases:** none


### Spatial Sketcher

[App page](https://appshunter.io/ios/app/spatial-sketcher/id6758155932)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Fasoo Secure Viewer free?

Fasoo Secure Viewer is free to download, with no in-app purchases.

### Is Spatial Sketcher free?

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

### Do Fasoo Secure Viewer or Spatial Sketcher have ads?

Neither Fasoo Secure Viewer nor Spatial Sketcher shows ads.

### Which is updated more often, Fasoo Secure Viewer or Spatial Sketcher?

Fasoo Secure Viewer ships an update every 6 weeks, and Spatial Sketcher every 2 months. Most recently, Fasoo Secure Viewer was updated on October 10, 2026 and Spatial Sketcher on October 8, 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.*