Spy PDF vs PDF Studio

Spy PDF – Fast & Clean PDF Viewer No need to install heavy, complex apps just to view a single PDF. With Spy PDF, simply select your file and it opens instantly. That’s it. [Key Features] - Instant Launch – Open PDF files immediately with a single tap. - Recent Files – Access your frequently viewed files right from the list. - Smooth Scrolling – Read naturally with fluid page transitions. - Landscape & Portrait Support – Optimized for any orientation you prefer. - Error-Free Rendering – Stable performance with corrupted file alerts. [Recommended For] - Anyone who wants to open PDF attachments from emails instantly. - Professionals and students who frequently read contracts, resumes, or research papers. - Users who want a lightweight viewer without bloated, unnecessary features. - Those who want to quickly find older files from a recent history list. No accounts. No sign-ins. Just open and read. With Spy PDF, viewing PDFs is no longer a hassle.

Every PDF tool you need — 100% on your device. PDF Studio reads, edits, scans, converts, signs and protects PDFs with no account, no cloud upload and no tracking. Your files never leave your iPhone, iPad or Mac. And it's a one-time purchase — no subscription. SCAN & CREATE • Scan documents with automatic edge detection • Turn photos or typed text into clean PDFs • Make scans searchable with on-device OCR EDIT & ORGANIZE • Merge, split, reorder, rotate and delete pages • Compress to a target file size • Crop, add margins, page numbers and watermarks CONVERT • PDF to Word, plain text or images — and back FILL, SIGN & PROTECT • Fill forms and sign by hand or with a saved signature • Build fillable forms and extract form data to CSV • Password-protect, unlock and permanently redact • Certify & seal a document and verify it later — fully offline ON-DEVICE AI • Summarize, chat with and translate a PDF — nothing is uploaded MEASURE & MORE • Distance, area and angle with scale • Beautiful on iPhone, iPad and Mac, with iCloud sync for your own library WHY PDF STUDIO • Private by design — everything runs on your device • Pay once, own it forever — no subscription required • No ads, no account, no data collection PDF Studio Pro unlocks every tool with a single purchase or an optional subscription. Terms of Use (EULA): https://birsoftware.com/terms.html