PDFly vs EchoPDF Ai
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PDFly
Transform photos and documents into professional PDFs with powerful OCR and editing tools. Manage your files securely and efficiently, online or offline. This app simplifies your document workflow for any use.
- Scan documents to PDF
- Convert images to PDF
- OCR text recognition
- Edit PDF text and add annotations
- Secure file management with passwords
- Online and offline functionality
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PDFly - PDF Editor & Scanner is a smart, secure, and easy-to-use tool that turns your photos and documents into professional PDF files. With powerful OCR recognition and built-in editing tools, PDFly makes managing your documents simple and efficient — anytime, anywhere. Main Features: Scan to PDF: Capture documents, receipts, or notes with your camera and convert them into clear, high-quality PDFs. Image to PDF Converter: Select multiple images from your gallery and instantly create a single, well-organized PDF file. OCR Text Recognition: Extract editable text from images or scanned pages with accurate AI-powered OCR. PDF Editor: Edit text, add annotations, highlight, underline, or insert shapes directly within your PDF files. Secure File Management: Protect your sensitive files with password encryption and manage all PDFs in one place. Online & Offline Use: Edit and view your documents anywhere, even without internet access. Lightweight & Fast: Enjoy smooth performance with a clean, user-friendly interface. Why PDFly? PDFly offers everything you need to create, scan, and edit PDF files in one simple app. Whether for school, office, or personal use, it’s your reliable digital document assistant. Simplify your document workflow with PDFly — smart, stable, and secure.
EchoPDF Ai
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EchoPDF Ai brings everyday PDF tasks into one clear workspace: merge, split, export pages as images, convert Office documents to PDF, and create new PDFs through a fast, conversational flow. Chat-style PDF creation Type plain text or pick a photo from your library to generate a PDF, then save it inside the app or share it with the system share sheet. PDF toolkit • Merge — Combine multiple PDFs and images into a single file • Split — Split a PDF by pages for easier filing • To picture — Export PDF pages as images • File conversion — Turn Word, Excel, and PowerPoint files into PDFs Scan & library Use the Scan tab to pull images from your photos, and keep PDFs, splits, and exports organized in one document library. Built for quick work on the go—office paperwork, school notes, and one-off files. Supported formats and conversion results depend on what you import and what the app accepts in each flow.
Screenshots
Verdict
The clearest difference is ads: EchoPDF Ai at none against PDFly's shown. PDFly's advantage is update cadence (every 11 days vs monthly). On price, in-app purchases, 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. Neither carries in-app purchases, so what you see is what you pay.
PDFly ships an update every 11 days, EchoPDF Ai monthly. The most recent releases landed on September 18, 2026 and September 21, 2026 respectively.
| Parameter | PDFly | EchoPDF Ai |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 11 days — better | Monthly |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 16.0 |
| Further details — not scored | ||
| Size | 36 MB | 644 MB |
| Age rating | 4+ | 4+ |
| Developer | 野 徐 | UNLIMITED BURST TECHNOLOGY CO., LIMITED |
In-app purchases
PDFly
No in-app purchases
EchoPDF Ai
No in-app purchases









