4K UniPlay vs PrintStream

4K UniPlay is a lightweight, easy‑to‑use local audio and video player and file manager. It supports mainstream video and audio formats, makes importing simple, and delivers smooth playback—ideal for study, binge‑watching, and listening. 【Main function】 1. Core Playback - Supports most common audio and video formats. Video: avi, mkv, mov, mp4, mpg, 3gp, webm, wmv, m4v, mpeg, rm, rmvb, ogv, vob, amv, flv. Audio: aac, flac, mp3, ogg, m4a, wav, ape, wma, opus. - 0.5x–2.0x speed control, scrubbing, portrait/landscape switching, and gesture adjustments for brightness/volume. - Vinyl‑style animation and background playback for a more immersive music experience. 2. Import & Transfer - One‑tap import via Photos, Files app, and the system Share Sheet. - Local Wi‑Fi web transfer: upload/download files directly from a desktop browser. - Device‑to‑device transfer within the app, enabling faster and safer file exchange. 3. File Management - Create folders, rename, move, copy, delete, sort, and batch select for efficient organization. 4. Private Video Management - Built‑in Private Folder to securely manage sensitive videos, protected with biometric lock. 5. Personalization & Compatibility - Follows system Dark Mode with multiple theme styles. - Language switching for Chinese (Simplified/Traditional) and English.

Print photos, PDFs, scanned documents and notes straight from your iPhone or iPad — no cables, no drivers, no sign-up. PrintStream finds your AirPrint printer automatically. Crop, enhance and lay out pages, then tap Print. PRINT ANYTHING • Photos from your library or camera, auto-fit to A4, Letter, Legal or A5 • PDFs from Files, ready to print in one tap • Notes and lists typed right in the app • Color or grayscale in one switch SCAN DOCUMENTS • Document scanner with automatic edge detection • Crop, straighten and print a clean copy EDIT BEFORE YOU PRINT • Crop with free, 1:1, 4:3, 3:2 or 16:9 ratios • Rotate and apply B&W, Sepia or Negative filters SAVE PAPER • Batch print many photos at once • 2-up and 4-up layouts, plus ID card front and back PRIVATE BY DESIGN • Your documents go from your device to your printer — never to our servers • Print history and saved PDFs stay on your device • No account needed PRINTSTREAM PREMIUM Unlock no-watermark prints, the document scanner, batch printing, all filters and saved files. Payment is charged to your Apple ID at confirmation of purchase. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel in your App Store account settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://emrekotun.github.io/print_stream_privacy_policy/