# NDI Test Patterns vs Stream Studio NDI OBS Camera

The clearest difference is review sentiment: NDI Test Patterns at 100% against Stream Studio NDI OBS Camera's 0%. NDI Test Patterns also leads on rating (5.0 vs 3.0) and in-app purchases (none vs 3). Stream Studio NDI OBS Camera's advantage is update cadence (weekly vs every 4 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Stream Studio NDI OBS Camera sells 3 in-app purchases, starting at $9.99 per month. NDI Test Patterns asks for nothing beyond the download.

NDI Test Patterns holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews point the same way: 100% of NDI Test Patterns's written reviews are positive against 0% of Stream Studio NDI OBS Camera's.

NDI Test Patterns ships an update every 4 months, Stream Studio NDI OBS Camera weekly. The most recent releases landed on August 13, 2026 and June 2, 2026 respectively.

## The numbers

| Metric | NDI Test Patterns | Stream Studio NDI OBS Camera |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ndi-test-patterns/id1571995248/reviews)** | [3.0 (4 ratings)](https://appshunter.io/ios/app/stream-studio-ndi-obs-camera/id6473455859/reviews) |
| Number of ratings | 2 | **4** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 10 MB | 82 MB |
| Requires iOS | **14.4** | 16 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NewTek](https://appshunter.io/developer/573312611) | [Ludovic Bouguerra](https://appshunter.io/developer/1501244900) |

## What reviewers say

### NDI Test Patterns

[App page](https://appshunter.io/ios/app/ndi-test-patterns/id1571995248)

Transform your mobile device into a professional NDI® test pattern generator. Send video and audio test signals, or create custom slideshows using your own images. Ideal for live video production workflows.

**Highlights:** Mobile NDI test pattern source, Audio test tone generation, Custom NDI slideshows, High-resolution photo support, Automatic NDI device recognition, iPhone and iPad compatible

**Features:** Vision Pro support

**In-app purchases:** none


### Stream Studio NDI OBS Camera

[App page](https://appshunter.io/ios/app/stream-studio-ndi-obs-camera/id6473455859)

Transform your iPhone or iPad into a professional camera for presentations, tutorials, and gaming. This app enables real-time streaming to NDI or RTSP-enabled devices with high-quality, low-latency video. Its user-friendly interface and customizable settings make it accessible for all users.

**Highlights:** Seamless camera casting via NDI/RTSP, High-quality, low-latency streaming, User-friendly interface, Customizable resolution and frame rate, Wide compatibility with NDI/RTSP receivers, Privacy and security features

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $9.99 | per month |
| Pro yearly | $44.99 | per year |
| Pro Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is NDI Test Patterns free?

NDI Test Patterns is free to download, with no in-app purchases.

### Is Stream Studio NDI OBS Camera free?

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

### Which has better reviews, NDI Test Patterns or Stream Studio NDI OBS Camera?

NDI Test Patterns is rated higher. NDI Test Patterns averages 5.0 out of 5 from 2 ratings, while Stream Studio NDI OBS Camera averages 3.0 from 4 ratings.

### Do NDI Test Patterns or Stream Studio NDI OBS Camera have ads?

Neither NDI Test Patterns nor Stream Studio NDI OBS Camera shows ads.

### Which is updated more often, NDI Test Patterns or Stream Studio NDI OBS Camera?

NDI Test Patterns ships an update every 4 months, and Stream Studio NDI OBS Camera weekly. Most recently, NDI Test Patterns was updated on August 13, 2026 and Stream Studio NDI OBS Camera on June 2, 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.*