Q vs vCastSender
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Q
Control Q-SYS systems remotely from your iOS device. Design custom user interfaces in Q-SYS Designer software to manage various system elements like audio, video, and lighting. Offers extensive control capabilities for a seamless user experience.
- Remote system control
- Customizable user interfaces (UCIs)
- Source selection
- PTZ camera control with video preview
- Lighting dimmer control
- Volume faders
- Signal meters
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Control Q-SYS systems from your iOS device! Within Q-SYS Designer software, user control interfaces (UCIs) can be created, and nearly any element in the system can be placed in the UCIs for control and monitoring. This enables a near limitless array of control capability, all from your iOS device, including source selection buttons, Q-SYS PTZ camera controls (with video preview frames), lighting dimmer controls, projector on/off selector, signal meters, screen up/down, snapshot recall, volume control faders, and more. This app is designed for use with QSC's Q-SYS Platform only. Q-SYS UCI deployment onto a Core processor for use with TSC touch screens, UCI viewer for PC and iOS app requires license activation. Visit www.qsc.com/uci for more details.
vCastSender
Stream live recordings, share your screen, photos, videos, and annotations wirelessly to ViewSonic Interactive Flat Panels and other devices. Facilitates seamless wireless presentations and collaborative work, eliminating the need for cables.
- Wireless screen sharing
- Live recording streaming
- Direct annotation
- Photo and video sharing
- Camera feed sharing
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ViewBoard® Cast by ViewSonic ViewBoard® Cast is designed for wireless presentations and wireless collaboration – say goodbye to wires for good! Using the vCastSender iOS app, will allow you to not only stream live recordings and annotate directly onto ViewSonic Interactive Flat Panels, but also share your screen, photos, videos, annotations, and camera to different ViewSonic Interactive Flat Panels and other devices. Let the collaborations begin!
Screenshots
Verdict
The clearest difference is rating: Q at 3.0 against vCastSender's 2.4. vCastSender's advantage is monetization model (free vs free with in-app purchases). On price, review sentiment, ratings volume and update cadence there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Q holds the better App Store score, 3.0 against 2.4. Both are backed by a comparable volume of ratings — 53 and 33 respectively. Written reviews complicate that: 13% of Q's written reviews are positive against 15% of vCastSender's, so the app with the better star average is not the one people write more warmly about.
Q ships an update every 3 months, vCastSender every 5 months. The most recent releases landed on August 15, 2026 and July 5, 2026 respectively.
| Parameter | Q | vCastSender |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (53 ratings) — better | 2.4 (33 ratings) |
| Positive reviews | 13.3% of reviews | 14.8% of reviews — better |
| Number of ratings | 53 — better | 33 |
| Update frequency | Every 3 months — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 18 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | QSC Audio Products, LLC. | ViewSonic International Corp. |
Customer experience
Q
vCastSender
In-app purchases
Q
No in-app purchases
vCastSender
No in-app purchases
