# PDF Reader Pro Edition® vs pdfFiller

The clearest difference is price: pdfFiller at Free against PDF Reader Pro Edition®'s $1.99. pdfFiller also leads on update cadence (fortnightly vs every 4 months) and ratings volume (8.5K vs 1.7K). PDF Reader Pro Edition®'s advantage is in-app purchases (none vs 12) and review sentiment (54% vs 20%). On rating, ads, chart position and device support there is nothing between them.

pdfFiller is free to download; PDF Reader Pro Edition® costs $1.99 up front. pdfFiller sells 10 in-app purchases, starting at $19.99 per month. PDF Reader Pro Edition® asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.4 for PDF Reader Pro Edition® against 4.4 for pdfFiller. Both are backed by a comparable volume of ratings — 1.7K and 8.5K respectively. Written reviews are what separate them: 54% of PDF Reader Pro Edition®'s written reviews are positive against 20% of pdfFiller's.

PDF Reader Pro Edition® ships an update every 4 months, pdfFiller fortnightly. Both last shipped on September 24, 2026.

## The numbers

| Metric | PDF Reader Pro Edition® | pdfFiller |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [4.4 (1.7K ratings)](https://appshunter.io/ios/app/pdf-reader-pro-edition/id364502063/reviews) | [4.4 (8.5K ratings)](https://appshunter.io/ios/app/pdffiller-edit-pdf-documents/id571613512/reviews) |
| Number of ratings | 1.7K | **8.5K** |
| Positive reviews | **54.3% of reviews** | 19.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | #128 | **#52** |
| Size | 66 MB | 178 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [iTECH DEVELOPMENT SYSTEMS INC.](https://appshunter.io/developer/298779208) | [airSlate, Inc.](https://appshunter.io/developer/565493707) |

## What reviewers say

### PDF Reader Pro Edition®

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

**Currently charting:** #128 Top Paid · Business (US App Store)

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, iMessage stickers, Vision Pro support

**In-app purchases:** none

**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


### pdfFiller

[App page](https://appshunter.io/ios/app/pdffiller-edit-pdf-documents/id571613512)

**Currently charting:** #52 Top Grossing · Business (US App Store)

This app transforms your device into a mobile office for managing PDF documents. Edit, eSign, and fill out forms, then share or export them. It offers secure storage and access to millions of templates, with offline capabilities.

**Highlights:** Edit PDF documents, Esign and fill out forms, Share and collaborate on documents, Securely store unlimited documents, Access millions of fillable templates, Work offline

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF editor • Basic Monthly | $19.99 | per month |
| PDF editor • Basic Monthly | $19.99 | per month |
| PDF editor • Plus Monthly | $29.99 | per month |
| PDF editor • Plus Monthly | $29.99 | per month |
| PDF editor • Premium Monthly | $39.99 | per month |
| Premium Monthly | $39.99 | per month |
| PDF editor • Basic Annual | $95.99 | per year |
| PDF editor • Basic Annual | $95.99 | per year |
| PDF editor • Plus Annual | $119.99 | per year |
| PDF editor • Premium Annual | $179.99 | per year |

**What reviewers like**

- 👍 Easy to use
- 🚀 Makes virtual work easy
- 💡 Great customer service/support
- 👍 Simple and organized
- 👍 Helpful for PDF management

**What reviewers complain about**

- 🐛 Buggy and glitchy
- 💰 Expensive subscription
- 🔒 Concerns about privacy and security
- 🤥 Misleading/deceptive advertising
- 🔒 Difficult to cancel subscription

**Reported bugs**

- Text/annotations not saving correctly
- Freezing/crashing issues
- Incompatibility with certain devices
- Login/account issues

**Requested features**

- Undo/redo functionality
- Ability to control opacity of annotations
- Better file management options
- Improved mobile experience
- Clearer pricing and subscription details


## Frequently asked questions

### Is PDF Reader Pro Edition® free?

PDF Reader Pro Edition® costs $1.99, with no in-app purchases.

### Is pdfFiller free?

pdfFiller is free to download, with in-app purchases available.

### Which has better reviews, PDF Reader Pro Edition® or pdfFiller?

PDF Reader Pro Edition® and pdfFiller are both rated 4.4 out of 5 on the App Store, from 1.7K and 8.5K ratings respectively.

### Do PDF Reader Pro Edition® or pdfFiller have ads?

Neither PDF Reader Pro Edition® nor pdfFiller shows ads.

### Which is updated more often, PDF Reader Pro Edition® or pdfFiller?

PDF Reader Pro Edition® ships an update every 4 months, and pdfFiller fortnightly. Most recently, PDF Reader Pro Edition® was updated on September 24, 2026 and pdfFiller on September 24, 2026.

### Which is more popular, PDF Reader Pro Edition® or pdfFiller?

PDF Reader Pro Edition® currently peaks at #128 in the App Store charts, and pdfFiller at #52. Chart position reflects recent download velocity rather than total install base.

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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.*