# TopDirector (NDI,SRT,UVC,RTSP) vs Sleight Lab

The clearest difference is iOS requirement: Sleight Lab at 15.1 against TopDirector (NDI,SRT,UVC,RTSP)'s 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. TopDirector (NDI,SRT,UVC,RTSP) sells 10 in-app purchases, starting at $49.99 per year and Sleight Lab sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

TopDirector (NDI,SRT,UVC,RTSP) ships an update every 10 days, Sleight Lab weekly. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | TopDirector (NDI,SRT,UVC,RTSP) | Sleight Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (114 ratings)](https://appshunter.io/ios/app/topdirector-ndisrtuvcrtsp/id1581209932/reviews)** | — |
| Number of ratings | **114** | — |
| Positive reviews | 37.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Weekly** |
| Monetization | Paid | — |
| Size | 98 MB | 42 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TopDirector Corporation](https://appshunter.io/developer/1581209934) | [Romain Maillard](https://appshunter.io/developer/1890460725) |

## What reviewers say

### 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


### Sleight Lab

[App page](https://appshunter.io/ios/app/sleight-lab-magic-practice/id6761615063)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Sleight Lab Pro Annual | $29.99 | per year |
| Lifetime Access | $69.99 | one-time |


## Frequently asked questions

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

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

### Is Sleight Lab free?

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

### Do TopDirector (NDI,SRT,UVC,RTSP) or Sleight Lab have ads?

Neither TopDirector (NDI,SRT,UVC,RTSP) nor Sleight Lab shows ads.

### Which is updated more often, TopDirector (NDI,SRT,UVC,RTSP) or Sleight Lab?

TopDirector (NDI,SRT,UVC,RTSP) ships an update every 10 days, and Sleight Lab weekly. Most recently, TopDirector (NDI,SRT,UVC,RTSP) was updated on November 3, 2026 and Sleight Lab on November 5, 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.*