Every major podcast app can export your subscriptions as an OPML file. Follow the steps for your app below, then upload it here.
🟠 Overcast iOS
1. Open Overcast and tap Settings (bottom right)
2. Scroll down and tap Export OPML
3. Share or save the file, then upload it here
🟣 Pocket Casts iOS & Android
1. Tap your Profile icon (top right)
2. Go to Import/Export → Export OPML
3. Save the file, then upload it here
🔵 Castro iOS
1. Open Settings (gear icon)
2. Tap Export Subscriptions
3. Save the .opml file, then upload it here
🟢 AntennaPod Android
1. Tap the three-dot menu → Settings
2. Go to Import/Export → Export as OPML
3. Save the file, then upload it here
🎙️ Podcast Addict Android
1. Tap the menu (☰) → Backup
2. Tap Export to OPML
3. Save the file, then upload it here