USB Camera pro vs TCam Viewer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
USB Camera pro
This app enables iPads to function as external displays for USB cameras and video capture cards. It offers plug-and-play connectivity without drivers, supporting various devices and providing features like recording, screenshots, and image enhancement.
- Connect USB cameras and capture cards to iPad
- External display for video capture
- Plug-and-play, no driver needed
- Synchronous recording of audiovisual picture
- One-click screenshot
- Super resolution picture quality enhancement
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Use the latest iOS17 feature "Support external cameras in your iPadOS app" to implement iPad as additional output devices for video display. USB Camera Pro is an App that supports USB camera, USB video capture card and other USB devices to connect to iPad tablet through OTG, and drives iPad tablet to display audiovisual images. This App software is plug-and-play, no driver required, and supports a variety of USB cameras, USB video capture cards, and computer TV and other devices. The latest version also supports synchronous recording of the displayed audiovisual picture, one-click screenshot, performance detection, screen adjustment, super resolution picture quality enhancement, color adjustment, screen image reversal and other features. Note: Due to hardware reasons, this App is not currently supported for iPhone.
TCam Viewer
Easily view, trim, and export Tesla Dashcam and Sentry Mode videos directly on your iPhone. Supports multi-camera layouts and professional overlays with all processing done locally for enhanced privacy. Reconstruct events with smart clip merging and share footage quickly.
- Direct USB drive connection
- Smart clip merging
- Multi-view export
- Timestamp, speed, and GPS overlays
- Local processing for privacy
- Simple trimming
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Plug your Tesla dashcam USB drive directly into your iPhone to view, trim, and export Dashcam and Sentry Mode videos in minutes. Supports HW3 4-camera and AI4/HW4 6-camera footage, multi-view layouts, timestamp / speed / GPS overlays, and fully local processing for better privacy. [Plug and Play] • Connect your Tesla dashcam USB drive directly to iPhone • No laptop, file copying, or complicated workflow • Browse, manage, and export footage anywhere [Smart Clip Merging] • Automatically combines fragmented clips into a continuous timeline • Reconstructs complete events faster • Spend less time searching and more time reviewing [Multi-View Export] • Export single-camera footage in high quality • Create quad-view and multi-camera videos in one tap • Support a customizable “1 large + 3 small” layout with flexible camera order • Append selected cameras to play continuously after the main clip • See front, rear, left, and right angles together for full context [Professional Overlays] • Add accurate timestamp overlays • Parse native Tesla SEI telemetry data • Overlay speed, braking, steering, GPS, and more • Make footage easier to review, preserve, and share [Simple Trimming] • Smooth timeline scrubbing for precise selection • Simple workflow: choose a range → export • Turn raw clips into shareable videos quickly [Private by Design] • All processing happens locally on your device • No cloud upload, no remote storage • Your footage stays on your phone [Built for Tesla Owners] • Supports HW3 4-camera and AI4/HW4 6-camera systems • Keeps improving alongside Tesla OTA updates --- [Requirements] • A Lightning-to-USB or USB-C-to-USB adapter is required to connect your Tesla USB drive • B-pillar camera footage is available only on AI4/HW4 vehicles • SEI telemetry requires Tesla software version 2025.44.25 or later [Disclaimer] Tesla® and TeslaCam® are trademarks of Tesla, Inc. This app is independently developed and is not affiliated with, endorsed by, or sponsored by Tesla, Inc. Support: xudehui_work@163.com - Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ - Privacy Policy: https://githubxdh.github.io/tcam-legal/privacy-policy.html
Screenshots
Verdict
The clearest difference is review sentiment: TCam Viewer at 100% against USB Camera pro's 46%. TCam Viewer also leads on rating (4.0 vs 3.2) and ads (none vs shown). USB Camera pro's advantage is in-app purchases (none vs 3) and ratings volume (13 vs 1). On price, device support and iOS requirement 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. TCam Viewer sells 3 in-app purchases, starting at $1.99 per month. USB Camera pro asks for nothing beyond the download.
TCam Viewer holds the better App Store score, 4.0 against 3.2. That said, the two scores are not equally well evidenced: USB Camera pro has 13 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 46% of USB Camera pro's written reviews are positive against 100% of TCam Viewer's.
USB Camera pro ships an update every 2 months, TCam Viewer fortnightly. The most recent releases landed on October 23, 2026 and October 7, 2026 respectively.
| Parameter | USB Camera pro | TCam Viewer |
|---|---|---|
| Price | Free | Free |
| Rating | 3.2 (13 ratings) | 4.0 (1 ratings) — better |
| Positive reviews | 46.4% of reviews | 100.0% of reviews — better |
| Number of ratings | 13 — better | 1 |
| Update frequency | Every 2 months | Fortnightly — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 35 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | 长沙春觉信息科技有限公司 | Dehui Xu |
Customer experience
USB Camera pro
TCam Viewer
In-app purchases
USB Camera pro
No in-app purchases
TCam Viewer
- Monthly Subscription$1.991 Month
- Yearly Subscription$9.991 Year
- Lifetime Access$14.99









