PDF Reader Pro Edition® vs Della ▸ AI Receptionist
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PDF Reader Pro Edition®
This powerful application allows users to read, manage, edit, and annotate PDF files on iOS devices. It offers real-time online collaboration, form filling, and advanced annotation tools. Create, organize, and secure your PDF documents with ease.
- Real-time online collaboration and chat
- Fillable PDF forms
- Extensive annotation tools (highlight, notes, signature)
- EasyReview mode for text markup
- Create new PDF files
- Secure Vault folder
- Built-in scanner
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PDF Reader Pro Edition — AI-Powered PDF Reader. Built with Privacy in Mind. Read, edit, annotate and understand PDFs faster with powerful AI tools and professional PDF features built for iPhone, iPad and iPhone Duo. Chat with PDFs, summarize documents, translate files, highlight key insights, fill & sign forms, edit & convert PDFs and more — all in one modern PDF experience. Your documents are yours. We believe they should stay that way. That’s why we build every feature with privacy in mind. With on-device AI powered by Apple Intelligence and on-device PDF conversions, your documents can stay on your device while you stay in control of your data. Built for Apple Devices • Powered by Apple Intelligence* • On-device AI for speed and privacy • On-device PDF conversions • Built with privacy in mind • Fast, modern & easy to use • iCloud support • Updated for iOS 27, with the new Liquid Glass design • Optimized for iPhone, iPad and iPhone Duo. AI-Powered PDF Tools • Chat with your PDFs • AI summaries & key insights • AI Mind Maps for complex documents • AI-powered highlights • Translate PDFs instantly • Ask questions about documents • Simplify long PDFs in seconds Powerful PDF Editing • Edit text and images in PDFs • Annotate & markup documents • Highlight, underline & draw • Add notes, shapes & signatures • Fill & sign PDF forms • Redact sensitive information • Protect PDFs with passwords Organize & Convert PDFs • Convert PDFs to Word, Excel, PowerPoint, images & text • Merge, rotate, reorder and delete pages • Convert Word, Excel, PowerPoint and images to PDF • Scan documents and recognize text (OCR) • Compare two PDFs • Reduce file size • Vault: keep sensitive files in an encrypted, password-protected folder Designed for iPhone Duo Read, sign and edit in every pose, with layouts that adapt as you fold, unfold or turn your device. A dedicated laptop-style workspace keeps your page on top and your tools and panels below, so your document stays in view. Move between poses without losing your place or interrupting your work. Made for every angle. Whether you’re reviewing contracts, studying, editing reports or working on the go, PDF Reader Pro Edition helps you work smarter with PDFs—without compromising your privacy. Download PDF Reader Pro Edition today. *Apple Intelligence requires a supported device and compatible software. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms of Service: https://www.pdf-app.com/terms Privacy Policy: https://www.pdf-app.com/privacy-policy
Della ▸ AI Receptionist
This app acts as a virtual receptionist, answering calls 24/7, booking appointments, qualifying leads, and providing instant summaries of messages. It supports multiple industries and offers features like voice cloning and multi-language support.
- 24/7 call answering
- Automated appointment booking
- Lead qualification
- Instant message summaries
- Multi-language support
- Customizable voice cloning
- Unified business inbox
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Your hands are full. Della picks up. Della is an AI receptionist and answering service for small businesses. She answers every call 24/7, books the appointment while the caller is still on the line, and texts you a summary, so you stop losing customers to voicemail. Keep your number. Forward your existing line to Della in about two minutes, and switch forwarding off any time with your carrier's code. WHAT DELLA DOES ON A CALL • Answers 24/7 in a natural voice • Books appointments and texts the caller a confirmation • Answers questions about your prices, hours and services from what you teach her • Asks new leads the questions your trade needs • Takes messages and texts you a summary right after the call • Transfers urgent calls to you or to whoever is on call • Speaks 16 languages and switches to the caller's language, including Quebec French • Always tells callers she is an automated assistant SOUNDS LIKE YOU Pick a voice, or clone your own from a one-minute sample. You give consent first and stay in control. SHE CALLS THEM TOO Reminder calls the day before, confirmations and follow-ups. On Pro, run outbound campaigns to your own prospect lists, with do-not-call checks and quiet hours built in. EVERY CALL ON RECORD • A calls list with a summary and an outcome for each call • Transcripts, and recordings when you turn them on (callers are told) • An inbox that shows only what needs you, with one tap to call back or text • Ask Della about your calls, bookings and leads in plain words • See the bookings and leads she brought in each week BOOKINGS AND QUOTES • Booking requests you confirm or reschedule in one tap • Google Calendar connection, and calendar files for Apple Calendar • Your own booking link to share anywhere • Quote requests taken on the call, and quotes with accept and decline links BUILT FOR YOUR TRADE Hair salons, barbershops, nail salons, med spas, medical clinics, dental, chiro and physio, therapists, veterinary clinics, law firms, accountants, consultants, real estate, construction, home services, fitness studios, event planners and more. HEAR HER FIRST Call +1 (818) 918-4562 to hear Della answer. After you sign up, place a free test call to hear her with your own business details. YOUR DATA Your calls, transcripts and contacts belong to you. Pause Della or delete a recording any time. Payment is charged to your Apple ID when you confirm the 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/
Screenshots
Verdict
The clearest difference is update cadence: Della ▸ AI Receptionist at weekly against PDF Reader Pro Edition®'s every 4 months. PDF Reader Pro Edition®'s advantage is monetization model (paid vs subscription) and review sentiment (54% vs 44%). On price, ads, in-app purchases and device support 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. PDF Reader Pro Edition® sells 3 in-app purchases, starting at $3.99 per month and Della ▸ AI Receptionist sells 10 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.
PDF Reader Pro Edition® ships an update every 4 months, Della ▸ AI Receptionist weekly. Both last shipped on October 24, 2026.
| Parameter | PDF Reader Pro Edition® | Della ▸ AI Receptionist |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (1.7K ratings) — better | — |
| Positive reviews | 53.9% of reviews — better | 43.9% of reviews |
| Number of ratings | 1.7K — better | — |
| Update frequency | Every 4 months | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Paid — better | Subscription |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 | 17.6 |
| Further details — not scored | ||
| Size | 137 MB | 110 MB |
| Age rating | 17+ | 4+ |
| Developer | iTECH DEVELOPMENT SYSTEMS INC. | iCubemedia Inc. |
Customer experience
PDF Reader Pro Edition®
Della ▸ AI Receptionist
Bugs and requests
PDF Reader Pro Edition®
Reported bugs
4 issues- App crashes when opening certain PDF files
- Annotations disappear or fail to save
- Compatibility issues with newer iOS versions
- Slow performance on older iPad models
Requested features
4 requests- Add support for password-protected PDFs
- Improve annotation tools with better undo/redo
- Implement cloud storage integration (Dropbox, iCloud, etc.)
- Add ability to insert, delete, and rearrange PDF pages
Della ▸ AI Receptionist
Not enough reviews yet to summarise bugs or requests.
In-app purchases
PDF Reader Pro Edition®
- Pro & AI-Powered Tools (1 Month)$3.991 Month
- PDF Reader Pro Edition Loyalty$9.991 Year
- Pro & AI-Powered Tools (1 Year)7 Days trial$24.991 Year
Della ▸ AI Receptionist
- Personal Starter Plan$19.991 Month
- Solo Plan$34.991 Month
- Plan Perso Pro for Personal usage$49.991 Month
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- Starter Plan$59.991 Month
- Pro Plan$179.991 Month
- 200 Coins$9.99
- 100 Coins$19.99
- 500 Coins$49.99
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- 1500 Coins$99.99
- 1000 Coins$99.99



