# BlendZ vs HollyView

The clearest difference is review sentiment: BlendZ at 75% against HollyView's 15%. BlendZ also leads on rating (3.7 vs 2.4) and iOS requirement (9.0 vs 13.0). HollyView's advantage is price (Free vs $0.99) and ratings volume (74 vs 3). On ads, in-app purchases and device support there is nothing between them.

HollyView is free to download; BlendZ costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

BlendZ holds the better App Store score, 3.7 against 2.4. That said, the two scores are not equally well evidenced: HollyView has 74 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 75% of BlendZ's written reviews are positive against 15% of HollyView's.

BlendZ ships an update every 4 months, HollyView every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | BlendZ | HollyView |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/blendz/id960352638/reviews)** | [2.4 (74 ratings)](https://appshunter.io/ios/app/hollyview/id1460631425/reviews) |
| Number of ratings | 3 | **74** |
| Positive reviews | **75.0% of reviews** | 14.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Size | 5 MB | 163 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Darren Alexander](https://appshunter.io/developer/946616105) | [深圳市昊一源科技有限公司](https://appshunter.io/developer/1460631424) |

## 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


### HollyView

[App page](https://appshunter.io/ios/app/hollyview/id1460631425)

This app facilitates real-time wireless video transmission for monitoring and analysis. It allows users to doodle on images, record and share videos, and manage device firmware and diagnostics.

**Highlights:** Real-time monitoring, Image analysis, Photo doodling, Video recording, Firmware updates, Device diagnostics

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

**In-app purchases:** none

**What reviewers like**

- 👍 Works for some users
- 👍 Good for client viewing
- 👍 Reliable with older versions
- 👍 Fast connection (sometimes)

**What reviewers complain about**

- 🐛 App frequently crashes
- 🐛 Connection issues
- 🐛 Black screen on mobile
- 🐛 Updates break functionality
- 🐛 Poor device compatibility

**Reported bugs**

- App not recognizing phone/iPad connection
- No feed when manually connecting
- App only works on older devices
- Black screen on iPad/Mac
- App won't connect after update

**Requested features**

- Make auto brightness optional
- Hide iOS application bar
- True display out support
- Add remember serial number feature
- Allow deleting preset LUTs


## Frequently asked questions

### Is BlendZ free?

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

### Is HollyView free?

HollyView is free to download, with no in-app purchases.

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

BlendZ is rated higher. BlendZ averages 3.7 out of 5 from 3 ratings, while HollyView averages 2.4 from 74 ratings.

### Do BlendZ or HollyView have ads?

Neither BlendZ nor HollyView shows ads.

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

BlendZ ships an update every 4 months, and HollyView every 2 months. Most recently, BlendZ was updated on November 1, 2026 and HollyView on November 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*