📱 iOS app sign-in (Jellyfin)
Use StreamyfinMoonfin toas streamthe recommended Jellyfin app on ana compatible iPhone or iPad. Streamyfin remains an alternative.
Before you start
- Be an active member of the Discord and have the Jellyfin username and password
providedsuppliedthereby Cruv. Ask Cruv for a Jellyfin account if you do not have one. - Use your supplied username, not your email. An Emby account is not automatically your Jellyfin account.
Install the appMoonfin
Install StreamyfinMoonfin from the App Store.Store. UseThe Streamyfin’scurrent websitelisting tosupports findiOS/iPadOS 16 or later; check its officialCompatibility storesection linksfor your device. This is a public App Store app, so TestFlight is not required. Moonfin is free and checkhas deviceno compatibility.
Compareplayback appsunlock foror this devicesubscription.
Connect Streamyfinand sign in
- Open
StreamyfinMoonfin.andChooseaddAdda serverServer ifonethe server-entry screen is not alreadyshown.open. EnterInServer Address, enter https://jellyfin.blackbeardsvault.com in theServer URLfield,andthen tapchoose Connect.Enter Use the complete HTTPS URL; Moonfin detects the server type automatically.- If Who’s watching? appears, choose your existing profile. If yours is missing, choose Add User to enter your username.
- Choose Password if Moonfin opens Quick Connect automatically. Enter your supplied Jellyfin Username if requested and your Password, then
tapchooseLogSign In.UseEmbySaveConnect is not the login for thisaccountserver. - Complete the appearance wizard or choose Skip setup
onlytoonkeepyourtheowndefaults.deviceOpenifaoffered.movie or episode and test picture, audio, and subtitles.
Expected result: your available Jellyfin libraries load.and Openwatch progress appear. Moonfin is a titlefree independent client; ordinary streaming does not require the Moonbase server plugin. Extra integrations and playsettings sync depend on what Cruv enables on the server.
If Quick Connect is offered, you can authorize the displayed code from an already signed-in browser instead of typing a shortpassword. partFollow the Quick Connect instructions.
First use
Choose your preferred audio and subtitle languages during setup, or change them later under Settings → Playback & SyncPlay. Moonfin remembers the account; review Settings → Account & Security → Auto Login if this is a shared device. An optional local app PIN is separate from your Jellyfin password and from a Quick Connect code.
Downloads
Downloads require a request to check video and sound.
Streamyfinapproval usesfrom oneCruv, completeeven URL.when ThereMoonfin shows a Download button. After approval, use the Downloading Media guide. The separate old downloader is no separate Port value to enter in this flow.deprecated.
UsingAlternatives
Streamyfin anremains a useful alternative if Moonfin is incompatible or has a playback problem on your device. Use Streamyfin’s official Jellyfinstore app instead?The official Jellyfin Mobilelinks Swiftfin apps use different menus. Add the same complete server URL and sign in with the same Jellyfin account. SwiftfinThe isofficial aJellyfin videoclients client;are music,also photo,available; their screens differ.
The official Jellyfin Mobile and bookSwiftfin librariesapps are notalso supported.alternatives. Swiftfin focuses on video; its menus and supported library types differ from Moonfin.
Troubleshooting
- Cannot connect:
recheckcheckthe complete https://jellyfin.blackbeardsvault.com, address, includinghttps://. Do not add 8096, 8920, or Emby’s Port 0. Trybrowsersigningsign-into see whetherthrough the same addressandinaccountawork. Wrong saved server: return to server selection and add the correct address. Do not reinstall as the first step.browser.- Sign-in rejected:
checkremoveforaccidental spaces and use your supplied Jellyfin username.StopIf browser sign-in also fails, stop repeated attempts and askCruv for help if it still fails.Cruv. - Browsing works but
videoplayback fails: updateand reopenthe app,try another title, and report the exact error. Keep streamingleave quality on Auto whereavailable; codecoffered, andsubtitletry another title. Test the audio and subtitles too. Format, HDR, and surround-sound supportvariesdependbyondevice.your device and app; a supported platform does not guarantee every file will direct-play. - Need another client: use the platform alternative or the browser guide while reporting the problem.
Contact @Captain Cruv in #support-channel on Discord. Include theyour device model, operating system, app name/version, title, exact error, and when it happened. Never post your password.
References
StreamyfinMoonfin interfaceon labelsthe App Store · Moonfin sign-in · Moonfin downloads · Official Jellyfin clientsalternatives
Technical guidance reviewed September17 October 2026. Store availabilitybuilds, compatibility, and interface labels can change.differ; check your device’s listing before installing.