# knock vs aug spatial

The clearest difference is update cadence: aug spatial at daily against knock's every 2 weeks. knock's advantage is iOS requirement (13.0 vs 18.0). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for knock against 5.0 for aug spatial. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

knock ships an update every 2 weeks, aug spatial daily. Both last shipped on November 3, 2026.

## The numbers

| Metric | knock | aug spatial |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/knock-silent-videos/id6446387265/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/aug-spatial/id6464393167/reviews) |
| Number of ratings | 2 | **3** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Daily** |
| Monetization | Free | Free |
| Size | 41 MB | 74 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Slang Social, LLC](https://appshunter.io/developer/1667647618) | [PBD LLC](https://appshunter.io/developer/1705888811) |

## What reviewers say

### knock

[App page](https://appshunter.io/ios/app/knock-silent-videos/id6446387265)

Send silent video messages to friends and family, transforming your interactions into a social doorbell camera experience. See who's there and receive their silent video responses throughout the day.

**Highlights:** Send silent video messages, Social doorbell camera concept, Connect with close friends and partners, Receive video messages throughout the day, Unique visual experience

**In-app purchases:** none


### aug spatial

[App page](https://appshunter.io/ios/app/aug-spatial/id6464393167)

This app transforms your surroundings into a social feed where you can post text, images, and animated stickers in augmented reality. Discover messages left by others in real-world locations and connect with your community in an immersive way.

**Highlights:** AR Text Placement, Discover & Explore AR Content, Create AR Stickers from Live Photos, Share AR Messages with Nearby Users, World as a Social Feed

**In-app purchases:** none


## Frequently asked questions

### Is knock free?

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

### Is aug spatial free?

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

### Which has better reviews, knock or aug spatial?

knock and aug spatial are both rated 5.0 out of 5 on the App Store, from 2 and 3 ratings respectively.

### Do knock or aug spatial have ads?

Neither knock nor aug spatial shows ads.

### Which is updated more often, knock or aug spatial?

knock ships an update every 2 weeks, and aug spatial daily. Most recently, knock was updated on November 3, 2026 and aug spatial on November 3, 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.*