# BlendZ vs Stream Studio NDI OBS Camera

The clearest difference is review sentiment: BlendZ at 75% against Stream Studio NDI OBS Camera's 0%. BlendZ also leads on rating (3.7 vs 3.0) and in-app purchases (none vs 3). Stream Studio NDI OBS Camera's advantage is price (Free vs $0.99) and update cadence (weekly vs every 4 months). On ratings volume, ads and device support there is nothing between them.

Stream Studio NDI OBS Camera is free to download; BlendZ costs $0.99 up front. Stream Studio NDI OBS Camera sells 3 in-app purchases, starting at $9.99 per month. BlendZ asks for nothing beyond the download.

BlendZ holds the better App Store score, 3.7 against 3.0. Both are backed by a comparable volume of ratings — 3 and 4 respectively. Written reviews point the same way: 75% of BlendZ's written reviews are positive against 0% of Stream Studio NDI OBS Camera's.

BlendZ ships an update every 4 months, Stream Studio NDI OBS Camera weekly. The most recent releases landed on October 10, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | BlendZ | Stream Studio NDI OBS Camera |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/blendz/id960352638/reviews)** | [3.0 (4 ratings)](https://appshunter.io/ios/app/stream-studio-ndi-obs-camera/id6473455859/reviews) |
| Number of ratings | 3 | **4** |
| Positive reviews | **75.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 5 MB | 82 MB |
| Requires iOS | **9.0** | 16 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Darren Alexander](https://appshunter.io/developer/946616105) | [Ludovic Bouguerra](https://appshunter.io/developer/1501244900) |

## What reviewers say

### BlendZ

[App page](https://appshunter.io/ios/app/blendz/id960352638)

Calculate the precise math needed for large, blended projection screens using multiple projectors. Input your desired screen dimensions, projector resolution, and number of projectors to get all the necessary information. Supports both feet and meters for your convenience.

**Highlights:** Calculate blended projection screen math, Input screen dimensions, Input projector resolution, Specify number of projectors, Supports feet and meters, Generate PDF information sheets, Draws grids with grayscale steps

**Features:** macOS Compatibility

**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 BlendZ free?

BlendZ costs $0.99, 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, BlendZ or Stream Studio NDI OBS Camera?

BlendZ is rated higher. BlendZ averages 3.7 out of 5 from 3 ratings, while Stream Studio NDI OBS Camera averages 3.0 from 4 ratings.

### Do BlendZ or Stream Studio NDI OBS Camera have ads?

Neither BlendZ nor Stream Studio NDI OBS Camera shows ads.

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

BlendZ ships an update every 4 months, and Stream Studio NDI OBS Camera weekly. Most recently, BlendZ was updated on October 10, 2026 and Stream Studio NDI OBS Camera on September 27, 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.*