# BlendZ vs LM

The clearest difference is price: LM at Free against BlendZ's $0.99. LM also leads on rating (4.2 vs 3.7) and update cadence (every 3 weeks vs every 4 months). BlendZ's advantage is in-app purchases (none vs 1) and device support (3 vs 1). On ratings volume and ads there is nothing between them.

LM is free to download; BlendZ costs $0.99 up front. LM sells 1 in-app purchase, starting at $9.99 per month. BlendZ asks for nothing beyond the download.

LM holds the better App Store score, 4.2 against 3.7. Both are backed by a comparable volume of ratings — 3 and 5 respectively. Written reviews point the same way: 75% of BlendZ's written reviews are positive against 88% of LM's.

BlendZ ships an update every 4 months, LM every 3 weeks. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | BlendZ | LM |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/blendz/id960352638/reviews) | **[4.2 (5 ratings)](https://appshunter.io/ios/app/lm-cam-for-obs-studio/id1541086068/reviews)** |
| Number of ratings | 3 | **5** |
| Positive reviews | 75.0% of reviews | **87.5% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Paid | **Freemium** |
| Size | 5 MB | 21 MB |
| Requires iOS | **9.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Darren Alexander](https://appshunter.io/developer/946616105) | [LiveMedia Corporation](https://appshunter.io/developer/1541086070) |

## 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


### LM

[App page](https://appshunter.io/ios/app/lm-cam-for-obs-studio/id1541086068)

This app transforms your mobile device into a high-quality camera source for live streaming and video production. It supports various professional broadcasting protocols and offers advanced features for seamless integration with popular software.

**Highlights:** NDI, SRT, RTMP streaming, OBS Studio, vMix, Wirecast compatible, Remote control operations, Multiple resolutions and frame rates, Image and camera settings, Background effects

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LM-Cam Pro (1 month) | $9.99 | per month |


## Frequently asked questions

### Is BlendZ free?

BlendZ costs $0.99, with no in-app purchases.

### Is LM free?

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

### Which has better reviews, BlendZ or LM?

LM is rated higher. BlendZ averages 3.7 out of 5 from 3 ratings, while LM averages 4.2 from 5 ratings.

### Do BlendZ or LM have ads?

Neither BlendZ nor LM shows ads.

### Which is updated more often, BlendZ or LM?

BlendZ ships an update every 4 months, and LM every 3 weeks. Most recently, BlendZ was updated on October 24, 2026 and LM on October 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.*