Comparison

USB vs TCam Viewer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

USB

This application connects to WIFI image transmission equipment, enabling wireless image data transfer between cameras and iOS devices. It allows for real-time, free transmission of visuals from anywhere, anytime.

Highlights
  • WIFI image transmission
  • Wireless connection to iOS devices
  • Real-time image data transfer
  • Anytime, anywhere access
  • Free wireless transmission
Features
Read full description

USB-VIEW application software is a combination of WIFI image transmission equipment using the software. with WIFI settings to achieve the camera through wireless WIFI and IOS system terminal equipment connection of application software.allows users to truly achieve anytime, anywhere,free wireless transmission of image data.

About

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.

Highlights
  • Direct USB drive connection
  • Smart clip merging
  • Multi-view export
  • Timestamp, speed, and GPS overlays
  • Local processing for privacy
  • Simple trimming
Features
Read full description

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

USB4 screens
TCam Viewer4 screens

Verdict

The call

The clearest difference is review sentiment: TCam Viewer at 100% against USB's 18%. TCam Viewer also leads on rating (4.0 vs 2.0) and update cadence (fortnightly vs every 5 weeks). USB's advantage is in-app purchases (none vs 3) and ratings volume (29 vs 1). On price and ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. TCam Viewer sells 3 in-app purchases, starting at $1.99 per month. USB asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

TCam Viewer holds the better App Store score, 4.0 against 2.0. That said, the two scores are not equally well evidenced: USB has 29 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 18% of USB's written reviews are positive against 100% of TCam Viewer's.

UpkeepUpdate frequency

USB ships an update every 5 weeks, TCam Viewer fortnightly. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.

Scorecard8 real differences · 2 level
USB versus TCam Viewer: the parameters behind the verdict, then further details
ParameterUSBTCam Viewer
PriceFreeFree
Rating2.0 (29 ratings)4.0 (1 ratings) — better
Positive reviews18.2% of reviews100.0% of reviews — better
Number of ratings29 — better1
Update frequencyEvery 5 weeksFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better17.0
Further details — not scored
Size8 MB33 MB
Age rating4+4+
Developer志强 童Dehui Xu

Customer experience

USB

All ratings29 ratings
Positive27.6%
Neutral0.0%
Negative72.4%
Written reviews33 reviews
Positive18.2%
Neutral3.0%
Negative78.8%

TCam Viewer

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

USB

No in-app purchases

3 purchases

TCam Viewer

Subscriptions2
  • Monthly Subscription$1.991 Month
  • Yearly Subscription$9.991 Year
One-time1
  • Lifetime Access$14.99

Questions

Is USB free?
USB is free to download, with no in-app purchases.
Is TCam Viewer free?
TCam Viewer is free to download, with in-app purchases available.
Which has better reviews, USB or TCam Viewer?
TCam Viewer is rated higher. USB averages 2.0 out of 5 from 29 ratings, while TCam Viewer averages 4.0 from 1 ratings.
Do USB or TCam Viewer have ads?
Neither USB nor TCam Viewer shows ads.
Which is updated more often, USB or TCam Viewer?
USB ships an update every 5 weeks, and TCam Viewer fortnightly. Most recently, USB was updated on October 15, 2026 and TCam Viewer on October 7, 2026.

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