# Webcam & OBS Studio vs Eidetic Notes

The clearest difference is update cadence: Webcam & OBS Studio at every 5 days against Eidetic Notes's every 2 weeks. Eidetic Notes's advantage is iOS requirement (15.0 vs 26.0). 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.

Webcam & OBS Studio ships an update every 5 days, Eidetic Notes every 2 weeks. The most recent releases landed on October 2, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Webcam & OBS Studio | Eidetic Notes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (27 ratings)](https://appshunter.io/ios/app/webcam-and-obs-studio-ndi/id6783665684/reviews)** | — |
| Number of ratings | **27** | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 13 MB | 9 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, Mac | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Driving Theory Test LLC](https://appshunter.io/developer/1807477662) | [能辉 黄](https://appshunter.io/developer/1759484159) |

## What reviewers say

### Webcam & OBS Studio

[App page](https://appshunter.io/ios/app/webcam-and-obs-studio-ndi/id6783665684)

Transform your iPhone into a professional 4K wireless webcam for streaming and video calls. Utilize NDI technology for high-quality, low-latency video transmission to your computer. Offers pro camera controls and dual connection modes for flexibility.

**Highlights:** 4K Ultra HD & 1080p streaming, Ultra-low latency, Wireless Wi-Fi and USB connection, Pro camera controls (focus, exposure, zoom), Crystal clear audio transmission, Battery-saving mode

**Features:** Vision Pro support

**In-app purchases:** none


### Eidetic Notes

[App page](https://appshunter.io/ios/app/eidetic-notes/id6784158190)

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

**In-app purchases:** none


## Frequently asked questions

### Is Webcam & OBS Studio free?

Webcam & OBS Studio is free to download, with no in-app purchases.

### Is Eidetic Notes free?

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

### Do Webcam & OBS Studio or Eidetic Notes have ads?

Both Webcam & OBS Studio and Eidetic Notes show ads.

### Which is updated more often, Webcam & OBS Studio or Eidetic Notes?

Webcam & OBS Studio ships an update every 5 days, and Eidetic Notes every 2 weeks. Most recently, Webcam & OBS Studio was updated on October 2, 2026 and Eidetic Notes on September 28, 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.*