Straight into Castbox
No web-page detour. Listeners land in the Castbox app on your show, where Subscribe is a single tap away.
Turn any castbox.fm link into a smart link that launches Castbox on your show or a specific episode, so a tap from your bio or socials drops listeners on iPhone and Android one button away from Subscribe.
Trusted by 50,000+ creators and marketersBuilt for podcasters with a global Castbox audience
Castbox is a popular cross-platform podcast app with a huge international catalogue and an in-app community feed that helps shows find new listeners worldwide. The catch: when one of those listeners taps a plain castbox.fm link from another platform, mobile often opens a web page first, putting a screen between interest and the Subscribe button.
A Castbox deep link removes that screen. Share a short LinkTwin link instead of a raw castbox.fm URL, and a tap on iPhone or Android opens the Castbox app directly on your show or the episode you’re pushing, landing the listener exactly where subscribing, following, and playing each take a single tap.
If Castbox isn’t installed, the link gracefully opens castbox.fm in the browser, so the same link is safe to reuse in your Instagram bio, show notes, an email, or a QR code regardless of which app each fan prefers. One branded short URL that does the right thing across devices, and reports every tap.
Why Podcasters Use It
Castbox listeners span the world, meet them in-app the moment they tap, wherever they are.
No web-page detour. Listeners land in the Castbox app on your show, where Subscribe is a single tap away.
Lower the friction to subscribe and follow, and more taps turn into listeners who hear every new episode.
Use the same smart link across bios, posts, and show notes, it adapts to each listener’s device on its own.
Built-in analytics show which post, channel, or episode actually sends listeners to Castbox.
From a castbox.fm URL to an app-opening, trackable link in about a minute, no code needed.
Grab the link to your show or a single episode from the Castbox share sheet or your browser’s address bar.
Drop the URL into the generator above. LinkTwin detects the Castbox link and prepares the iOS and Android handoff.
Use the generated link as-is, or add a custom alias (like /listen) or your own domain for a clean URL.
Add it to your bio, newsletter, and posts. Every tap opens Castbox when possible, and every tap is counted.
Paste a link from any of these addresses and LinkTwin opens it in the Castbox app. When the app is not there, the same page opens in the browser, so the link never breaks.
castbox.fmTikTok never lets a link out on its own, so LinkTwin shows a short guide to TikTok's own Open in browser, two taps away. On X, it takes one tap on iPhone, and app links open directly on Android. If an app is not installed, the visitor gets the normal web page.
However you promote your show, a deep link gets Castbox fans to Subscribe faster.
Share one link when an episode lands; Castbox fans tap once and they’re listening in the app.
Run a “follow on Castbox” campaign and see which channel converts the most listeners.
Promote into regions where Castbox is popular and track exactly which audiences respond.
Send your social followers into the Castbox app from a single, trackable bio link.
Analytics
Castbox gives hosts limited per-link data, so a tracked LinkTwin link is how you see what your promotion really drives.
Still wondering about something? Ask us directly.
Paste your castbox.fm show or episode URL into LinkTwin and share the short link it gives you. On a phone with Castbox installed, the link opens the app directly on that page, where listeners can subscribe and play in one tap. Without the app, it opens castbox.fm in the browser instead, handled automatically.
Yes. LinkTwin supports both show-level and individual episode links. Each opens in the right place inside the Castbox app, with a web fallback if the app isn’t installed, so you can promote a specific episode the moment it publishes.
Yes. Castbox runs on iOS and Android, and a LinkTwin link adapts to each: it opens the Castbox app when installed and falls back to the castbox.fm web page otherwise, including on desktop. You only ever share one link.
Definitely. Every LinkTwin link records total clicks, unique clicks, country, device and referrer in real time. You can add UTM tags or retargeting pixels too, valuable for understanding which post or region your global Castbox traffic comes from.
Yes. LinkTwin offers a free-forever plan with 10 links and 500 clicks a month, perfect for getting started. You only upgrade if you need a custom domain, more clicks, or advanced features like A/B testing and retargeting. No credit card required.
Create a free Castbox deep link that opens your show in the app and tracks every click.
Free plan. No credit card. Cancel paid plans anytime.