# PDF Reader Pro Edition® vs Della ▸ AI Receptionist

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.

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.

## The numbers

| Metric | PDF Reader Pro Edition® | Della ▸ AI Receptionist |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (1.7K ratings)](https://appshunter.io/ios/app/pdf-reader-pro-edition/id364502063/reviews)** | — |
| Number of ratings | **1.7K** | — |
| Positive reviews | **53.9% of reviews** | 43.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | **Paid** | Subscription |
| Size | 137 MB | 110 MB |
| Requires iOS | 17.6 | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [iTECH DEVELOPMENT SYSTEMS INC.](https://appshunter.io/developer/298779208) | [iCubemedia Inc.](https://appshunter.io/developer/453286185) |

## What reviewers say

### PDF Reader Pro Edition®

[App page](https://appshunter.io/ios/app/pdf-reader-pro-edition/id364502063)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro & AI-Powered Tools (1 Month) | $3.99 | per month |
| PDF Reader Pro Edition Loyalty | $9.99 | per year |
| Pro & AI-Powered Tools (1 Year) | $24.99 | per year |

**What reviewers like**

- 🚀 Fast and easy to use
- 📁 Good file organization and management
- ✍️ Useful annotation and highlighting tools
- 🔒 Secure document storage

**What reviewers complain about**

- 🐛 Crashes and stability issues
- 🔍 Poor search functionality
- 📤 Difficulty sharing/exporting annotated files
- 🤔 Unintuitive user interface

**Reported bugs**

- 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**

- 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

[App page](https://appshunter.io/ios/app/della-ai-receptionist/id1138538780)

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.

**Highlights:** 24/7 call answering, Automated appointment booking, Lead qualification, Instant message summaries, Multi-language support, Customizable voice cloning, Unified business inbox

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Personal Starter Plan | $19.99 | per month |
| Solo Plan | $34.99 | per month |
| Plan Perso Pro for Personal usage | $49.99 | per month |
| Starter Plan | $59.99 | per month |
| Pro Plan | $179.99 | per month |
| 200 Coins | $9.99 | one-time |
| 100 Coins | $19.99 | one-time |
| 500 Coins | $49.99 | one-time |
| 1500 Coins | $99.99 | one-time |
| 1000 Coins | $99.99 | one-time |


## Frequently asked questions

### Is PDF Reader Pro Edition® free?

PDF Reader Pro Edition® is free to download, with in-app purchases available.

### Is Della ▸ AI Receptionist free?

Della ▸ AI Receptionist is free to download, with in-app purchases available.

### Do PDF Reader Pro Edition® or Della ▸ AI Receptionist have ads?

Neither PDF Reader Pro Edition® nor Della ▸ AI Receptionist shows ads.

### Which is updated more often, PDF Reader Pro Edition® or Della ▸ AI Receptionist?

PDF Reader Pro Edition® ships an update every 4 months, and Della ▸ AI Receptionist weekly. Most recently, PDF Reader Pro Edition® was updated on October 24, 2026 and Della ▸ AI Receptionist on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*