Turn your Railway app into a narrated demo video
Yes — InstaDemo makes demo videos for Railway apps. Paste your Railway URL and it records a walkthrough, writes the narration script and generates the voiceover automatically. No screen recorder, no editing, no voice talent. The free plan includes 5 demos a month; Pro is $19/month for 50 at 1080p with no watermark.
Railway apps skew toward real products with real backends — which usually means a login, and that changes how you record the demo.
The problem with shipping on Railway
The product works. Showing it means a scheduled call every single time, because the thing worth seeing is behind a login.
What to know for Railway specifically
-
Use the generated
*.up.railway.appdomain or your custom domain — either is fine as long as it is public. - Most Railway apps put the interesting part behind auth. If yours does, the URL alone gets you the marketing page; the Autopilot extension gets you the product.
- Confirm the service is running before generating — a crashed or redeploying service serves an error page, and that is what would be recorded.
How it works
- 1. Paste your Railway URL.
- 2. InstaDemo crawls the site and picks the pages worth showing — you can change the selection.
- 3. It writes a narration script from your real page content. You review and edit it.
- 4. It records the walkthrough, generates the voiceover, and returns a finished MP4.
See one
A recent demo generated from a URL, start to finish, with no human editing.
Watch a sample demo →Railway demo videos — questions
My Railway app is behind a login — how do I demo it?
Use the InstaDemo Autopilot Chrome extension. It records your real click-through inside the signed-in app and turns that exact flow into a narrated demo video.
Custom domain or the railway.app subdomain?
Either works. The only requirement is that the URL is publicly reachable.
What happens if my service is mid-deploy?
The recorder captures whatever the URL serves, so a deploy error page would end up in the video. Check the URL loads before generating.
Make one now
Paste your Railway URL and get a narrated demo video back. 5 free demos a month, no card required.
Generate my demo video