# ClearView Flex vs SiennaLink

The clearest difference is review sentiment: ClearView Flex at 100% against SiennaLink's 50%. ClearView Flex also leads on rating (4.5 vs 3.0). SiennaLink's advantage is update cadence (every 3 weeks vs every 6 months) and iOS requirement (10.0 vs 17.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ClearView Flex holds the better App Store score, 4.5 against 3.0. Both are backed by a comparable volume of ratings — 4 and 6 respectively. Written reviews point the same way: 100% of ClearView Flex's written reviews are positive against 50% of SiennaLink's.

ClearView Flex ships an update every 6 months, SiennaLink every 3 weeks. The most recent releases landed on October 3, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | ClearView Flex | SiennaLink |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (4 ratings)](https://appshunter.io/ios/app/clearview-flex/id1221918001/reviews)** | [3.0 (6 ratings)](https://appshunter.io/ios/app/siennalink/id1480149231/reviews) |
| Number of ratings | 4 | **6** |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 42 MB | 21 MB |
| Requires iOS | 17.0 | **10.0** |
| Devices | iPhone, iPad, Apple TV | **iPhone, iPad, iPod, Apple TV** |
| Age rating | 4+ | 4+ |
| Developer | [Sohonet inc](https://appshunter.io/developer/1011221731) | [Mark Gilbert](https://appshunter.io/developer/593898292) |

## What reviewers say

### ClearView Flex

[App page](https://appshunter.io/ios/app/clearview-flex/id1221918001)

This app enables secure live video review sessions on your mobile device. Collaborate with your team in real-time, share instant feedback, and make faster decisions, even with a weak internet connection.

**Highlights:** Live, high-quality video streaming, Encrypted live streams, Real-time review and feedback, Low-bandwidth viewing, Video conferencing, Annotation tools

**Features:** macOS Compatibility

**In-app purchases:** none


### SiennaLink

[App page](https://appshunter.io/ios/app/siennalink/id1480149231)

This application receives video and audio streams from a compatible server, enabling low-latency, high-quality remote monitoring. It utilizes a proprietary protocol for efficient transmission over wide area networks, even across long distances. Users can configure server addresses through an in-app settings menu.

**Highlights:** Low latency video and audio monitoring, High quality streaming, Wide area network acceleration, NDI stream format compatibility, Remote server address configuration, Super low latency viewing

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

**In-app purchases:** none


## Frequently asked questions

### Is ClearView Flex free?

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

### Is SiennaLink free?

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

### Which has better reviews, ClearView Flex or SiennaLink?

ClearView Flex is rated higher. ClearView Flex averages 4.5 out of 5 from 4 ratings, while SiennaLink averages 3.0 from 6 ratings.

### Do ClearView Flex or SiennaLink have ads?

Neither ClearView Flex nor SiennaLink shows ads.

### Which is updated more often, ClearView Flex or SiennaLink?

ClearView Flex ships an update every 6 months, and SiennaLink every 3 weeks. Most recently, ClearView Flex was updated on October 3, 2026 and SiennaLink on October 13, 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.*