Comparison

OBS vs RailDrishti (RDPMS)

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

Head to head
About

OBS

Transform your iPhone or iPad into a high-quality webcam for OBS Studio. Connects instantly over your local network with no drivers or complex setup needed. Ideal for streamers, professionals, and presenters seeking stable video.

Highlights
  • Use iPhone/iPad as webcam for OBS
  • High quality, low latency video
  • Instant one-tap connection
  • Simple OBS integration
  • Works on macOS and Windows
  • No login or ads
Features
Read full description

Use your iPhone or iPad as a camera for OBS. Camera Studio is built for live streams, recordings, classes, and presentations when you want a stable camera source from the device you already have. WHAT YOU CAN DO • Start a live camera with one tap • Switch front and rear cameras • Adjust focus, exposure, zoom, and torch • Capture microphone audio and mute when needed • Use a grid overlay to frame your shot • Follow the built-in USB setup guide for macOS, Windows, and Linux An In-App Purchase is required before you can use the app. After purchase, connect a USB cable, tap Start Camera, and add your device in OBS as a Video Capture Device. No account and no extra computer driver required. HOW IT WORKS 1. Open Camera Studio, complete Get Started, and unlock the app with an In-App Purchase or Restore Purchases. 2. Connect your iPhone or iPad to your computer with a genuine Lightning or USB-C cable. 3. Tap Start Camera. Allow Camera and Microphone access when asked. 4. In OBS Studio, add a Video Capture Device source and select your device. Video and audio stay on your device and the computer you connect. This app does not upload your camera feed to a developer server. WHO IT IS FOR Creators, presenters, teachers, and anyone who uses OBS Studio to stream or record and wants a simple wired camera from iPhone or iPad. OBS Studio is independent software from the OBS Project. Camera Studio is not affiliated with, endorsed by, or sponsored by the OBS Project. IN-APP PURCHASES An In-App Purchase is required to use Camera Studio. The camera, USB source, and in-app controls are available only after you unlock Pro. Unlock options: • Auto-renewable weekly, monthly, or yearly subscription • One-time lifetime purchase Payment is charged to your Apple ID. Subscriptions renew automatically unless cancelled at least 24 hours before the period ends. Manage in Settings. Restore Purchases is available in the app. Refunds for App Store purchases are handled by Apple. PRIVACY POLICY https://sites.google.com/view/cam-obs-privacy TERMS OF USE https://sites.google.com/view/cam-obs-terms STANDARD EULA https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Download Camera Studio and use your iPhone or iPad as a wired camera for OBS.

About

RailDrishti (RDPMS)

Features
Read full description

RailDrishti — Live Sensor Telemetry & Alarm Management RailDrishti is a monitoring platform from Bitcomm Technologies. Operations and maintenance teams at any organisation deploying Bitcomm field sensors use the same app to track live equipment health, manage alarms, and review accuracy reports. Currently configured for Indian Railways signalling, with additional verticals onboarding. KEY FEATURES • Live equipment views with real-time telemetry updates. • Real-time alarms with one-tap acknowledgement and audit trail. • Asset register grouped by site and asset type. • Multi-site rollup for engineers covering multiple regions. • Improved security — encrypted credentials, TLS pinning, 2FA at sign-in. DEPLOYMENT Credentials are issued by your organisation's administrator. New organisations can request onboarding at sales@bitcommtechnologies.com. To delete your account: sign in → More → Profile → Delete Account, or visit https://www.bitcommtechnologies.com/privacy-policy/raildrishti-request-del Forgotten password? Contact your administrator or support@bitcommtechnologies.com.

Screenshots

OBS3 screens
RailDrishti (RDPMS)4 screens

Verdict

The call

The clearest difference is in-app purchases: RailDrishti (RDPMS) at none against OBS's 4. RailDrishti (RDPMS) also leads on update cadence (every 8 days vs every 7 months). On price, ads, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. OBS sells 4 in-app purchases, starting at $4.99 per 7 days. RailDrishti (RDPMS) asks for nothing beyond the download.

UpkeepUpdate frequency

OBS ships an update every 7 months, RailDrishti (RDPMS) every 8 days. The most recent releases landed on September 23, 2026 and September 17, 2026 respectively.

Scorecard2 real differences · 8 level
OBS versus RailDrishti (RDPMS): the parameters behind the verdict, then further details
ParameterOBSRailDrishti (RDPMS)
PriceFreeFree
Rating4.4 (435 ratings) — better—
Positive reviews10.7% of reviews—
Number of ratings435 — better—
Update frequencyEvery 7 monthsEvery 8 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size4 MB41 MB
Age rating4+4+
DeveloperDREAMEE STUDIO COMPANY LIMITEDBITCOMM TECHNOLOGIES PRIVATE LIMITED

In-app purchases

4 purchases

OBS

Subscriptions3
  • Weekly camera access$4.997 Days
  • Monthly camera access$9.991 Month
  • Yearly camera access$14.991 Year
One-time1
  • Lifetime camera access$17.99
None

RailDrishti (RDPMS)

No in-app purchases

Questions

Is OBS free?
OBS is free to download, with in-app purchases available.
Is RailDrishti (RDPMS) free?
RailDrishti (RDPMS) is free to download, with no in-app purchases.
Do OBS or RailDrishti (RDPMS) have ads?
Neither OBS nor RailDrishti (RDPMS) shows ads.
Which is updated more often, OBS or RailDrishti (RDPMS)?
OBS ships an update every 7 months, and RailDrishti (RDPMS) every 8 days. Most recently, OBS was updated on September 23, 2026 and RailDrishti (RDPMS) on September 17, 2026.

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