# vMix Virtual Control Surface vs TopDirector (NDI,SRT,UVC,RTSP)

The clearest difference is price: TopDirector (NDI,SRT,UVC,RTSP) at Free against vMix Virtual Control Surface's $19.99. TopDirector (NDI,SRT,UVC,RTSP) also leads on update cadence (every 10 days vs every 4 months) and ratings volume (114 vs 9). vMix Virtual Control Surface's advantage is in-app purchases (none vs 10) and iOS requirement (13.0 vs 17.6). On rating, review sentiment, ads and device support there is nothing between them.

TopDirector (NDI,SRT,UVC,RTSP) is free to download; vMix Virtual Control Surface costs $19.99 up front. TopDirector (NDI,SRT,UVC,RTSP) sells 10 in-app purchases, starting at $49.99 per year. vMix Virtual Control Surface asks for nothing beyond the download.

TopDirector (NDI,SRT,UVC,RTSP) holds the better App Store score, 4.1 against 3.9. That said, the two scores are not equally well evidenced: TopDirector (NDI,SRT,UVC,RTSP) has 114 ratings behind it against 9, so its average is the more settled of the two. Written reviews complicate that: 40% of vMix Virtual Control Surface's written reviews are positive against 38% of TopDirector (NDI,SRT,UVC,RTSP)'s, so the app with the better star average is not the one people write more warmly about.

vMix Virtual Control Surface ships an update every 4 months, TopDirector (NDI,SRT,UVC,RTSP) every 10 days. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | vMix Virtual Control Surface | TopDirector (NDI,SRT,UVC,RTSP) |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| Rating | [3.9 (9 ratings)](https://appshunter.io/ios/app/vmix-virtual-control-surface/id978932322/reviews) | **[4.1 (114 ratings)](https://appshunter.io/ios/app/topdirector-ndisrtuvcrtsp/id1581209932/reviews)** |
| Number of ratings | 9 | **114** |
| Positive reviews | **40.0% of reviews** | 37.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 10 days** |
| Monetization | **Free** | Paid |
| Size | 14 MB | 98 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Seth Haberman](https://appshunter.io/developer/978932321) | [TopDirector Corporation](https://appshunter.io/developer/1581209934) |

## What reviewers say

### vMix Virtual Control Surface

[App page](https://appshunter.io/ios/app/vmix-virtual-control-surface/id978932322)

This app provides a virtual control surface for the vMix video switching software. It allows users to control vMix functions remotely over a network, mimicking the feel of a hardware switcher with numerous programmable buttons and faders.

**Highlights:** 512 preview buttons, 512 program buttons, 512 audio input faders, Audio channel control, Clip playback control, Transition and DSK buttons, Programmable user buttons

**In-app purchases:** none


### TopDirector (NDI,SRT,UVC,RTSP)

[App page](https://appshunter.io/ios/app/topdirector-ndisrtuvcrtsp/id1581209932)

This app allows users to switch between multiple video sources, including external cameras and built-in device cameras, for live streaming and recording. It offers advanced features like real-time transitions, overlays, picture-in-picture effects, and remote control capabilities.

**Highlights:** Multicam switching (up to 9 inputs), Supports NDI, SRT, UVC, RTSP protocols, Real-time transitions and playback, Customizable overlays (titles, logos, clock), Picture-in-picture effects, Remote title overlay via LAN, Live sports slow-motion playback

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Features | $49.99 | per year |
| NDI and TALLY | $4.99 | one-time |
| Enable USB(UVC) Camera Input | $4.99 | one-time |
| Screen Mirroring/AirPlay | $9.99 | one-time |
| PTZ Camera Control | $9.99 | one-time |
| Picture in Picture Watermark | $14.99 | one-time |
| Logo and Background Music | $14.99 | one-time |
| Video Scopes, Color Grading | $14.99 | one-time |
| UTitle, Title, NTitle, SuperFG | $14.99 | one-time |
| Unlimited PGM Duration | $14.99 | one-time |

**What reviewers like**

- 💡 Game-changer for portable churches
- 💡 Zero wires, no tangled mess
- 💡 Flexible upgrades, not forced bloat
- 💡 Saves money compared to traditional setups
- 💡 Bluetooth video switcher integration

**What reviewers complain about**

- 💸 Hidden pricing, very expensive
- 💸 Burned money, no refund
- 💸 Waste of money
- 💸 Not a cheap app with IAPs
- 💸 Expensive product

**Reported bugs**

- Crashes at opening on iPad Pro M2
- iPad camera always 30fps despite correct config
- App freezes when syncing iPad Pro with iPhone
- App crashes every time after latest update
- App won't open if 'Don't allow' is selected for album access

**Requested features**

- PIP templates with square or round screens
- Scrolling text in overlays
- Ability to replay, back-forward, adjust speed, freeze
- RTMP input support
- OSC control for Stream Decks


## Frequently asked questions

### Is vMix Virtual Control Surface free?

vMix Virtual Control Surface costs $19.99, with no in-app purchases.

### Is TopDirector (NDI,SRT,UVC,RTSP) free?

TopDirector (NDI,SRT,UVC,RTSP) is free to download, with in-app purchases available.

### Which has better reviews, vMix Virtual Control Surface or TopDirector (NDI,SRT,UVC,RTSP)?

TopDirector (NDI,SRT,UVC,RTSP) is rated higher. vMix Virtual Control Surface averages 3.9 out of 5 from 9 ratings, while TopDirector (NDI,SRT,UVC,RTSP) averages 4.1 from 114 ratings.

### Do vMix Virtual Control Surface or TopDirector (NDI,SRT,UVC,RTSP) have ads?

Neither vMix Virtual Control Surface nor TopDirector (NDI,SRT,UVC,RTSP) shows ads.

### Which is updated more often, vMix Virtual Control Surface or TopDirector (NDI,SRT,UVC,RTSP)?

vMix Virtual Control Surface ships an update every 4 months, and TopDirector (NDI,SRT,UVC,RTSP) every 10 days. Most recently, vMix Virtual Control Surface was updated on October 24, 2026 and TopDirector (NDI,SRT,UVC,RTSP) on October 22, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*