# NDI Screen Capture vs Test Signal Generator

The clearest difference is rating: Test Signal Generator at 4.0 against NDI Screen Capture's 3.0. NDI Screen Capture's advantage is ratings volume (11 vs 1) and iOS requirement (17.6 vs 26.5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. NDI Screen Capture sells 2 one-off in-app purchases and Test Signal Generator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Test Signal Generator holds the better App Store score, 4.0 against 3.0. That said, the two scores are not equally well evidenced: NDI Screen Capture has 11 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | NDI Screen Capture | Test Signal Generator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (11 ratings)](https://appshunter.io/ios/app/ndi-screen-capture/id6471483473/reviews) | **[4.0 (1 ratings)](https://appshunter.io/ios/app/test-signal-generator/id6781354860/reviews)** |
| Number of ratings | **11** | 1 |
| Positive reviews | 27.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Free with in-app purchases | — |
| Size | 49 MB | 3 MB |
| Requires iOS | **17.6** | 26.5 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [TopDirector Corporation](https://appshunter.io/developer/1581209934) | [Praetorius GmbH](https://appshunter.io/developer/6776974754) |

## What reviewers say

### NDI Screen Capture

[App page](https://appshunter.io/ios/app/ndi-screen-capture/id6471483473)

Capture iOS and iPadOS screen content in real-time and stream it as NDI output. Supports NDI HX H.264 and HEVC, with audio and microphone input. Ideal for e-learning and game demonstrations.

**Highlights:** Real-time screen capture, NDI output streaming, NDI HX H.264/HEVC support, Lock screen rotation, Audio and mic input, Easy to use

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove One Minute Limit | $4.99 | one-time |
| Enable Partial Screen Capture | $4.99 | one-time |


### Test Signal Generator

[App page](https://appshunter.io/ios/app/test-signal-generator/id6781354860)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Signal Generator Pro | $4.99 | one-time |


## Frequently asked questions

### Is NDI Screen Capture free?

NDI Screen Capture is free to download, with in-app purchases available.

### Is Test Signal Generator free?

Test Signal Generator is free to download, with in-app purchases available.

### Which has better reviews, NDI Screen Capture or Test Signal Generator?

Test Signal Generator is rated higher. NDI Screen Capture averages 3.0 out of 5 from 11 ratings, while Test Signal Generator averages 4.0 from 1 ratings.

### Do NDI Screen Capture or Test Signal Generator have ads?

Neither NDI Screen Capture nor Test Signal Generator shows ads.

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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.*