Quad-A Digital

Make Your Media Flow

Manga, video, music — and your screens and files — made smoother.
Apps that bring your NAS and your computer to your phone, tablet, TV and VR headset.

Android iPhone / iPad Mac / Windows Fire tablet Android TV / Apple TV Meta Quest
See the apps
A MacBook with three Fire tablets around it — four screens
NEW

Vertex Display is now on Fire tablets

Turn Fire tablets into extra screens for your Mac or Windows PC. Tap once and you're connected.

Learn more →
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Vertex Display
Vertex Display
Remote desktop & second screen

Your computer's screen, on any device.

Put up to 6 Mac, Windows and Android screens side by side in Meta Quest. Fire tablets and phones can also become extra screens for your Mac or Windows PC. Low latency, audio and clipboard sharing, encryption and PIN.

Meta QuestFire tabletAndroid / iPhone / iPad / Mac / Apple TV in review
Learn more Meta Quest Amazon (Fire) Host apps (free)
Mac, Windows and Android screens side by side in Meta Quest
Vivid
Vivid
NAS video player

Videos on your NAS, played smoothly on every screen.

Organize videos from local storage, SMB or Jellyfin / Emby. Automatic thumbnails, resume, 4K, ISO and Cast. Blu-ray 3D on Meta Quest.

AndroidiPhone / iPadApple TVMeta QuestMac / Windows in review
Learn more Google Play App Store Meta Quest
Vivid on a tablet
Versa
Versa
Manga & PDF viewer

Your NAS, now your bookshelf.

Manga, PDF and EPUB from local storage, SMB or Komga on a shelf of covers. Aligned spreads, biometric lock, and archive editing.

AndroidiPhone / iPadMacAndroid TVWear OSApple TV / Windows / Quest in review
Learn more Google Play App Store
Versa two-page spread
Vortex
Vortex
Music player for NAS & cloud

Your NAS music, played as it is.

Play music from your device, SMB, Dropbox, WebDAV and Google Drive without copying it. Automatic Artists / Albums library, gapless playback, synced lyrics, 10-band EQ and 20 visualizers.

AndroidAndroid TVAndroid AutoiPhone / iPad
Learn more Coming soon Privacy
Vortex
More apps

Other apps

Quad-A Cast
Quad-A Cast
Quad-A Cast
A TV receiver for Vivid and Versa. Cast videos and comics from your iPhone or Android phone to the TV: MKV, multiple audio tracks, subtitles, spreads and zoom. Works only on your home Wi-Fi.
Learn moreComing soonPrivacy
Viaduct
Viaduct
Viaduct
File transfer between iPhone, Android, Mac, Windows and Meta Quest. Send photos, videos and files directly over Wi-Fi, in original quality, with no cloud.
Learn moreComing soonPrivacy
Backup Viewer
Backup Viewer
Backup Viewer
Back up photos and videos from your phone or tablet to NAS over SMB. Browse them anytime on device or TV.
Learn moreGoogle PlayPrivacy
Nagi Launcher
Nagi Launcher
Nagi Launcher
Quiet and fast. A simple, refined home launcher — clock, calendar, widgets, dock and app drawer over your wallpaper.
Learn moreGoogle PlayPrivacy
MD TXT Editor
MD TXT Editor
MD TXT Editor
Markdown / TXT editor for AI workflows. Front matter, Google Drive and split preview.
Learn moreComing soonPrivacy
MATOME Viewer
MATOME Viewer
MATOME Viewer
Japanese digest-site reader. Browse multiple sites at once with a built-in ad blocker. Tablet, TV and Wear OS.
Learn moreSupportPrivacyTerms

Contact

For questions, feedback or bug reports about our apps, please send us an email.

quad.a.digital0000@gmail.com