Comparison

USB CAM vs DMX FreeD Trigger

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

Head to head
About

USB CAM

Features
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USB Cam is an official dedicated iOS application developed exclusively for the CEM BS-05 industrial endoscope. Via direct USB connection, it converts your iPhone or iPad into a professional industrial endoscopic inspection terminal with no complicated drivers required, featuring true plug-and-play operation. About CEM BS-05 The BS-05 is a compact industrial endoscope equipped with a high-definition probe ideal for narrow-space inspection and built-in adjustable LED lighting. It is widely used for non-destructive visual inspection of equipment interiors, pipelines, mechanical structures and more. Fully optimized for the BS-05, USB Cam delivers stable real-time images and comprehensive operational control. Core Functions Real-time HD Preview: Low-latency direct USB connection enables high-definition image transmission from the BS-05 probe. One-Click Photo & Video Recording: Instantly capture footage during inspections; all images and videos are saved locally for easy review and report compilation. Portable & Efficient: View visuals directly on mobile devices without extra displays, perfectly suited for on-site field operations. Typical Application Scenarios Industrial Manufacturing: Internal equipment defect detection, assembly verification and non-destructive flaw detection. Auto Maintenance: Inspection of hidden areas including engines, gearboxes and chassis pipelines. Pipeline & Construction: Endoscopic inspection of sewers, wall gaps and HVAC pipelines. Security & Operation Maintenance: Visual inspection in confined spaces, cabinet interiors and circuit line troubleshooting.

About

DMX FreeD Trigger

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FreeD Trigger connects virtual production and live events: it listens for FreeD camera tracking over your local network and fires DMX when your trigger rules match - no cloud required. Built for the floor β€’ Receive FreeD over UDP (port configurable) β€’ Trigger slots with conditions on X, Y, Z, Roll, Pitch, Yaw β€’ Anti-jitter hold time and tolerance for stable firing β€’ Live visualization - position readout and top/side camera plot Professional DMX output β€’ Art-Net or sACN (E1.31) β€’ Unicast to up to 5 target IPs, or Pro Broadcast for subnet/multicast β€’ Adjustable output FPS β€’ Per-action 8-bit or 16-bit channels, ON/OFF levels, fade and delay β€’ Quick Test (Test ON/OFF / Blackout) to verify wiring before the show β€’ Conflict checks to reduce duplicate channels across active slots Workflow β€’ Control - start/stop engine, signal status, charts β€’ Triggers - unlimited slots; enable the ones you need β€’ Settings - DMX, FreeD, engine behavior, Pro subscription β€’ Import / Export / Save projects (.freedmxproj) β€’ Logs for FreeD, DMX, and trigger debugging Free plan Up to 2 enabled trigger slots and Unicast DMX - enough to try the app on real hardware. DMX FreeD Triger Pro (auto-renewable subscription) β€’ Unlimited enabled slots β€’ Broadcast DMX mode Manage or cancel in Apple ID β†’ Subscriptions. Restore purchases and redeem Apple subscription offer codes in Settings β†’ Pro. Before you buy β€’ iPhone/iPad must stay on the same Wi‑Fi as FreeD source and DMX nodes β€’ Allow Local Network when iOS asks β€’ For show use, enable Keep screen awake in Settings; the app is designed for foreground operation during a show β€’ Pro on iOS does not include the separate Mac App Store app - subscribe per platform Terms of Use and Privacy Policy are linked in the app

Screenshots

USB CAM3 screens
DMX FreeD Trigger4 screens

Verdict

The call

The clearest difference is in-app purchases: USB CAM at none against DMX FreeD Trigger's 2. On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. DMX FreeD Trigger sells 2 in-app purchases, starting at $2.99 per month. USB CAM asks for nothing beyond the download.

Scorecard1 real difference Β· 5 level
USB CAM versus DMX FreeD Trigger: the parameters behind the verdict, then further details
ParameterUSB CAMDMX FreeD Trigger
PriceFreeFree
Update frequencyβ€”Every 3 weeks
AdsNoNo
In-app purchasesNo β€” betterYes
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.616.0 β€” better
Further details β€” not scored
Size3 MB1 MB
Age rating17+4+
DeveloperShenzhen Everbest Machinery Industry Co.,LtdIvan Ryzhak

In-app purchases

None

USB CAM

No in-app purchases

2 purchases

DMX FreeD Trigger

Subscriptions2
  • Pro Monthly$2.991 Month
  • Pro Yearly$17.991 Year

Questions

Is USB CAM free?
USB CAM is free to download, with no in-app purchases.
Is DMX FreeD Trigger free?
DMX FreeD Trigger is free to download, with in-app purchases available.
Do USB CAM or DMX FreeD Trigger have ads?
Neither USB CAM nor DMX FreeD Trigger shows ads.

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