Tiffly vs UDF Studio
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tiffly
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Open, view, and convert multi-page TIFFs on iPhone and iPad. Tiffly turns scans, faxes, and archives into clean, watermark-free PDFs — all on your device. Tiffly is the focused TIFF viewer and PDF converter for people who live with document scans — legal teams, medical records, architects, engineers, archivists, and anyone receiving multi-page TIFFs from fax or scanner. The viewer handles single-page and 100+ page files smoothly. Zoom, pan, swipe through pages, rotate, scrub the thumbnail bar. Export to a clean PDF in seconds — low, medium, or original resolution. No watermark. Ever. Free and Pro both. Everything runs on your device. Your files never leave your iPhone or iPad. FREE • Full multi-page TIFF viewer (zoom, pan, swipe, rotate) • Watermark-free PDF export • Print, share, save to Photos • Batch export up to 5 files PRO — $1.99 one-time (no subscription) • OCR text extraction in 90+ languages (powered by Apple VisionKit) • Password-protected PDFs (AES-128, Apple Preview + Adobe compatible) • Unlimited batch export • PDF merge (many TIFFs → one PDF) • Batch rename patterns ({name}, {index}, {date}) • Markup, signature, and highlights (pen, highlighter, eraser, lasso) • Reorder pages before export • No ads WHO IT'S FOR • Legal teams handling scanned discovery • Medical records and radiology archives • Architects and engineers with multi-page CAD exports • Archivists working with historical TIFF collections • Anyone who needs to read or convert a .tif or .tiff file from email or fax HOW IT WORKS 1. Import a TIFF from Files, Mail, Safari, or any app via Share 2. View every page, zoom, rotate, rearrange 3. Export to a clean, watermark-free PDF PRIVACY Tiffly has no cloud backend. No account, no login, no email required. TIFFs and PDFs never leave your device. OCR, merge, and password encryption all run locally using Apple frameworks (ImageIO, PDFKit, VisionKit). Privacy Policy: https://pergel.co/tiffly/privacy Terms of Use: https://pergel.co/tiffly/terms SUPPORT tiffly@pergel.co
UDF Studio
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UDF Studio is the complete, native toolkit for UYAP UDF documents on Mac, iPhone, and iPad — and everything is free. VIEW • Open and read UYAP UDF files with faithful formatting • Full-text search • Verify electronic signatures — signer, certificate and validity • Quick Look and Share extension support CREATE & EDIT • Create new UDF documents and edit existing ones • Bold, italic, underline, alignment, numbered and bulleted lists • Tables, form fields and images in existing documents are preserved when you save CONVERT & MERGE • Convert PDF, Word and images to UDF • Merge multiple files into a single UDF PDF & TIFF TOOLS • Open multi-page TIFF and PDF files • Reorder, rotate and delete pages, then export as PDF E-SIGNATURE (macOS) • Electronically sign with your e-signature token (smart card) Everything is free and runs entirely on your device — your documents are never uploaded.
Screenshots
Verdict
The clearest difference is in-app purchases: UDF Studio at none against Tiffly's 1. UDF Studio also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Tiffly sells 1 one-off in-app purchase. UDF Studio asks for nothing beyond the download.
| Parameter | Tiffly | UDF Studio |
|---|---|---|
| Price | Free | Free |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 17.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 14 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Furkan Mert Karaman | Eymex |
In-app purchases
Tiffly
- Tiffly Pro$1.99
UDF Studio
No in-app purchases









