# TopDirector (NDI,SRT,UVC,RTSP) vs Stream Studio

The clearest difference is rating: Stream Studio at 5.0 against TopDirector (NDI,SRT,UVC,RTSP)'s 4.1. Stream Studio also leads on monetization model (free with in-app purchases vs paid). TopDirector (NDI,SRT,UVC,RTSP)'s advantage is update cadence (every 10 days vs every 6 months) and ratings volume (114 vs 2). On price, ads, in-app purchases and device support 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 Stream Studio sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Stream Studio holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: TopDirector (NDI,SRT,UVC,RTSP) has 114 ratings behind it against 2, so its average is the more settled of the two.

TopDirector (NDI,SRT,UVC,RTSP) ships an update every 10 days, Stream Studio every 6 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | TopDirector (NDI,SRT,UVC,RTSP) | Stream Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (114 ratings)](https://appshunter.io/ios/app/topdirector-ndisrtuvcrtsp/id1581209932/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/stream-studio-rtmp-streaming/id6736374657/reviews)** |
| Number of ratings | **114** | 2 |
| Positive reviews | 37.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 6 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 98 MB | 40 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TopDirector Corporation](https://appshunter.io/developer/1581209934) | [Ludovic Bouguerra](https://appshunter.io/developer/1501244900) |

## 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


### Stream Studio

[App page](https://appshunter.io/ios/app/stream-studio-rtmp-streaming/id6736374657)

This app enables content creators to broadcast live streams to any RTMP-compatible platform. It offers a quick setup process and an intuitive interface for a seamless streaming experience. Designed for professionals and enthusiasts alike, it enhances live broadcasting capabilities.

**Highlights:** RTMP compatibility for any platform, Quick RTMP URL and stream key setup, Intuitive and modern user interface, Professional live streaming tool, Supports iPhone and iPad

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stream Studio Monthly | $9.99 | per month |
| Stream Studio Yearly | $39.99 | per year |


## 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 Stream Studio free?

Stream Studio is free to download, with in-app purchases available.

### Which has better reviews, TopDirector (NDI,SRT,UVC,RTSP) or Stream Studio?

Stream Studio is rated higher. TopDirector (NDI,SRT,UVC,RTSP) averages 4.1 out of 5 from 114 ratings, while Stream Studio averages 5.0 from 2 ratings.

### Do TopDirector (NDI,SRT,UVC,RTSP) or Stream Studio have ads?

Neither TopDirector (NDI,SRT,UVC,RTSP) nor Stream Studio shows ads.

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

TopDirector (NDI,SRT,UVC,RTSP) ships an update every 10 days, and Stream Studio every 6 months. Most recently, TopDirector (NDI,SRT,UVC,RTSP) was updated on November 3, 2026 and Stream Studio on October 30, 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.*