vCastSender vs ON24 Screenshare
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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!
ON24 Screenshare
This app allows users to broadcast their iPad screen live during virtual events. It integrates with presentation software to share content directly with an audience. Ensure you have the necessary permissions before sharing any material.
- Live screen sharing from iPad
- Integrates with Elite Studio
- Broadcast content to audience
- Easy to use interface
- Secure broadcasting
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When presenting a live Forum event from your iPad, tapping the screenshare icon in Elite Studio will launch the ON24 screenshare app and request permission to broadcast your screen. Once you tap on the Broadcast button you will be sharing your iPad screen to your audience. The “ON24 Screenshare” is provided for download via The Apple App Store (“App Store”). ON24 Screenshare is created and owned by ON24, Inc. (“ON24”). However, ON24 Screenshare is solely available for download via the App Store. ON24 does not control or manage any features or requirements of the App Store, and any use thereof is solely at your own risk. Any information collected via the App Store is owned by Apple, and ON24 does not have access to or control of your Apple account or related information. Any use of the ON24 Screenshare is your sole responsibility, and you should ensure that you have all the necessary permissions to share any content you may share through the ON24 Screenshare.
Screenshots
Verdict
The clearest difference is rating: ON24 Screenshare at 5.0 against vCastSender's 2.4. vCastSender's advantage is ratings volume (33 vs 1) and iOS requirement (11.0 vs 16.6). On price, update cadence, ads and in-app purchases 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.
ON24 Screenshare holds the better App Store score, 5.0 against 2.4. That said, the two scores are not equally well evidenced: vCastSender has 33 ratings behind it against 1, so its average is the more settled of the two.
vCastSender ships an update every 5 months, ON24 Screenshare every 6 months. The most recent releases landed on July 5, 2026 and June 6, 2026 respectively.
| Parameter | vCastSender | ON24 Screenshare |
|---|---|---|
| Price | Free | Free |
| Rating | 2.4 (33 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 14.8% of reviews | — |
| Number of ratings | 33 — better | 1 |
| Update frequency | Every 5 months — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 24 MB | 31 MB |
| Age rating | 4+ | 17+ |
| Developer | ViewSonic International Corp. | On24, Inc |
Customer experience
vCastSender
ON24 Screenshare
In-app purchases
vCastSender
No in-app purchases
ON24 Screenshare
No in-app purchases
Questions
Is vCastSender free?
Is ON24 Screenshare free?
Which has better reviews, vCastSender or ON24 Screenshare?
Do vCastSender or ON24 Screenshare have ads?
Which is updated more often, vCastSender or ON24 Screenshare?
Other comparisons
