PDFfiled vs Private AI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PDFfiled
This app offers a comprehensive suite of 15 PDF tools, including scanning, editing, signing, and management, all without watermarks or sign-up. It works entirely offline, making it ideal for students, professionals, and small businesses needing efficient document handling.
- Scan documents with auto edge detection
- Fill and sign any PDF form
- Edit and annotate PDFs
- Compress and merge PDF files
- AI document summarization
- Offline document processing
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15 PDF tools. No watermark. No sign-up. Truly free. PDFfiled is a complete PDF toolkit — scan, edit, sign, and manage documents in one lightweight app that works entirely offline. Built for students, professionals, and small businesses who need real PDF tools without subscriptions, watermarks, or forced accounts. FILL & SIGN ANY DOCUMENT - Skip the printer entirely — fill out any form right on your screen, no pen or paper needed - Scan your signature once, then reuse it with a single tap, forever - Or draw a fresh signature directly on the page in seconds - Drop in images, stamps, or custom digital signatures anywhere you need them - Send a signing link straight to WhatsApp, Gmail, or SMS — no app download required on their end - Watch signed documents land back in your hands, instantly - Built for contracts, consent forms, agreements, and invoices — anything that used to mean printing, signing, and scanning back DOCUMENT SCANNER - Smart auto edge detection and perspective correction - Scan receipts, invoices, contracts, IDs, whiteboards, and textbooks - Multi-page scanning — combine into a single clean PDF - Automatic scan quality enhancement PDF READER & EDITOR - Read and annotate any PDF - Draw, highlight, and add comments on any page - Add blank or scanned pages to existing PDFs - Reorder, rotate, delete, and organize pages 15 PDF TOOLS IN ONE APP - Compress — reduce file size by up to 75% - Merge — combine multiple PDFs into one - Split — extract specific pages into new files - Lock / Unlock — add or remove password encryption - Watermark — add text or image watermarks - Image to PDF & PDF to Image — convert instantly, full quality - Page Numbers — add and customize numbering AI DOCUMENT SUMMARIZER - Summarize lengthy PDFs and documents in seconds with key takeaways - Export summaries directly as a formatted PDF or TXT file - Save time reading long contracts, reports, or research papers SHARE AND EXPORT - Share via WhatsApp, Gmail, Google Drive, Dropbox, and more - Export as PDF or image, full quality, no watermark - Files stay on your device unless you choose to share WHO IT'S FOR - Students — scan notes, textbooks, and assignments into clean PDFs - Professionals — sign contracts and invoices without printing a single page - Small businesses — merge, compress, and share client documents on the go - Anyone who wants a fast, reliable PDF app without confusing menus PDFFILED PRO - Unlock all 12+ professional PDF tools with an ad-free experience - Flexible weekly, monthly, and yearly plans - Instant purchase restoration across all your Apple devices - Manage your subscription anytime from the Active Member dashboard PRIVACY FIRST - Your documents are processed on your device — not uploaded to a server - No account required to scan, edit, or export - Full control over what you share, and with whom WHY PDFFILED - No watermark, ever — on any export - No forced account creation — open and start immediately - Fully offline — no internet required, your files never leave your device - Lightweight and fast — won't slow down your phone - Genuinely free — no hidden costs, no premium wall Download PDFfiled and go paperless today.
Private AI
Run advanced AI models for chat, image generation, and document analysis directly on your device. Enjoy complete privacy with no cloud processing or account requirements. Use AI offline with no limits on generations or credits.
- Local AI chat with multiple models
- On-device image generation
- Analyze photos and documents
- Offline AI functionality
- No cloud processing or accounts
- Import custom GGUF models
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Use DeepSeek, Qwen and other supported models for writing, reasoning, summaries and everyday questions. Analyze PDFs and photos, generate images with local Stable Diffusion models, or import your own compatible GGUF file. CHAT WITH LOCAL AI Download ready-to-use models from the built-in library or import your own GGUF models. Switch between models anytime and choose the right AI for your task. Private AI supports a growing local model library, including Gemma, Qwen, Llama, DeepSeek, Ministral, IBM Granite, BioMistral, SmolLM, Liquid LFM, Dolphin, and more. PRIVACY COMES FIRST Private AI is built around local processing. • Your prompts stay on your device • Your conversations stay on your device • Your generated images stay on your device • Your files remain under your control • No cloud AI processing for local models • No account required GENERATE IMAGES ON DEVICE Create AI images directly on your iPhone or iPad with local Stable Diffusion models. Generate images from text prompts, adjust advanced generation settings, save results to your gallery, and keep your creative workflow local. UNDERSTAND PHOTOS AND FILES Use vision-capable models to analyze images, understand visual content, read documents, summarize files, and ask questions about what you see. Supported vision models include MiniCPM-V, Moondream, Gemma Vision, Qwen VL, and Llama Vision. OFFLINE AI, WHENEVER YOU NEED IT Once supported models are downloaded, you can use local AI even without an internet connection. Chat, write, reason, summarize, and generate images wherever you are. NO ARTIFICIAL LIMITS • No AI credits • No daily generation limits • No subscription required for local AI • Import your own GGUF models • Use the models you choose YOUR DEVICE. YOUR MODELS. YOUR PRIVACY. Private AI gives you a flexible local AI player for text models, vision models, and image generation models. Some features require downloading large models and may perform best on newer devices. Model availability and performance may vary by device, memory, and storage. Private AI is free to use and may show ads. A one-time in-app purchase is available to remove ads forever. Terms of Service: https://private-ai.xmakers.net/terms Privacy Policy: https://private-ai.xmakers.net/privacy
Screenshots
Verdict
The clearest difference is rating: Private AI at 5.0 against PDFfiled's 1.0. On price, ratings volume, update cadence and ads 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. PDFfiled sells 5 in-app purchases, starting at $0.99 per 7 days and Private AI sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Private AI holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
PDFfiled ships an update every 2 weeks, Private AI every 9 days. Both last shipped on October 31, 2026.
| Parameter | PDFfiled | Private AI |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 5.0 (1 ratings) — better |
| Number of ratings | 1 | 1 |
| Update frequency | Every 2 weeks | Every 9 days — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 173 MB | 19 MB |
| Age rating | 4+ | 12+ |
| Developer | Jeet Kakadiya | Viktor Balitskyi |
Customer experience
PDFfiled
Private AI
In-app purchases
PDFfiled
- PdfFiled Weekly Pro$0.997 Days
- PdfFiled Monthly Pro$1.991 Month
- PdfFiled 3 Months Pro$4.993 Months
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- PdfFiled 6 Months Pro$7.996 Months
- PdfFiled Yearly Pro$9.991 Year
Private AI
- Remove Ads Forever$4.99








