# Acrobat Reader vs OpenDocument Reader Pro

The clearest difference is price: Acrobat Reader at Free against OpenDocument Reader Pro's $3.99. Acrobat Reader also leads on review sentiment (49% vs 20%) and rating (4.6 vs 4.2). OpenDocument Reader Pro's advantage is in-app purchases (none vs 18) and iOS requirement (15.0 vs 18.3). On ads and device support there is nothing between them.

Acrobat Reader is free to download; OpenDocument Reader Pro costs $3.99 up front. Acrobat Reader sells 16 in-app purchases, starting at $3.99 per month. OpenDocument Reader Pro asks for nothing beyond the download.

Acrobat Reader holds the better App Store score, 4.6 against 4.2. That said, the two scores are not equally well evidenced: Acrobat Reader has 654K ratings behind it against 292, so its average is the more settled of the two. Written reviews point the same way: 49% of Acrobat Reader's written reviews are positive against 20% of OpenDocument Reader Pro's.

Acrobat Reader ships an update every 9 days, OpenDocument Reader Pro every 2 months. The most recent releases landed on September 29, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Acrobat Reader | OpenDocument Reader Pro |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[4.6 (654K ratings)](https://appshunter.io/ios/app/acrobat-reader-pdf-editor/id469337564/reviews)** | [4.2 (292 ratings)](https://appshunter.io/ios/app/opendocument-reader-pro/id1452061743/reviews) |
| Number of ratings | **654K** | 292 |
| Positive reviews | **49.1% of reviews** | 19.5% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 months |
| Monetization | Freemium | **Ad-supported** |
| Best chart rank | **#2** | #86 |
| Size | 522 MB | 6 MB |
| Requires iOS | 18.3 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Adobe Inc.](https://appshunter.io/developer/331646274) | [Stefl und Taschauer OG](https://appshunter.io/developer/1452061742) |

## What reviewers say

### Acrobat Reader

[App page](https://appshunter.io/ios/app/acrobat-reader-pdf-editor/id469337564)

**Currently charting:** #2 Top Grossing · Business, #15 Top Free · Business, #75 Top Grossing (US App Store)

This app is a powerful PDF tool for viewing, editing, annotating, and signing documents. It offers AI-powered features for summarizing and interacting with PDFs, along with robust conversion and security options. Collaborate on files and access your documents from anywhere.

**Highlights:** View, edit, and annotate PDFs, Sign and fill PDF forms, Convert files to and from PDF, AI-powered document summarization, Collaborate in PDF Spaces, Compress and secure PDFs, Optical Character Recognition (OCR)

**Features:** iMessage stickers, Vision Pro support

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Acrobat Premium - Monthly | $3.99 | per month |
| Adobe Acrobat Premium | $4.99 | per month |
| AI Assistant for Acrobat | $6.99 | per month |
| Acrobat Premium | $7.49 | per 7 days |
| Acrobat Premium - Monthly | $9.99 | per month |
| Acrobat Premium - Weekly | $9.99 | per 7 days |
| PDF Pack - Doc Creator | $9.99 | per month |
| Premium - Edit & Create PDF | $9.99 | per month |
| PDF Edit and Convert Monthly | $12.99 | per month |
| Acrobat Premium - Monthly | $12.99 | per month |
| Acrobat Premium - Monthly | $14.99 | per month |
| Acrobat Reader Plus - Yearly | $19.99 | per year |
| Adobe ExportPDF | $23.99 | per year |
| Adobe Acrobat Pro | $24.99 | per month |
| Acrobat Premium - Yearly | $48.99 | per year |
| Acrobat Premium - Yearly | $69.99 | per year |

**What reviewers like**

- 🚀 Fast and efficient
- 🔒 Secure document storage
- 👍 Convenient for reading and annotating PDFs
- 👍 Useful for students and professionals

**What reviewers complain about**

- 🐛 Buggy and unreliable
- 🔒 Overly intrusive login requirements
- 💰 Expensive subscription model
- 👎 Counterintuitive user interface changes
- 🔍 Poor search and organization features

**Reported bugs**

- Frequent crashes and freezes
- Inconsistent behavior when editing PDFs
- Inability to open or save certain file types
- Sync issues between mobile and desktop versions

**Requested features**

- Add erase tool for annotations
- Improve palm rejection for Apple Pencil
- Allow direct text editing in PDFs
- Provide better cloud integration and sync
- Offer more customization options


### OpenDocument Reader Pro

[App page](https://appshunter.io/ios/app/opendocument-reader-pro/id1452061743)

**Currently charting:** #86 Top Paid · Business (US App Store)

View and edit ODF files like ODT, ODS, and ODP on your mobile device. Access documents from cloud storage or your device's file explorer, and even open password-protected files. Supports a wide range of other file formats for comprehensive document management.

**Highlights:** View and edit ODT, ODS, ODP files, Supports LibreOffice and OpenOffice formats, Open files from cloud storage and other apps, Edit documents with basic text modifications, Open password-protected documents, Search and highlight keywords, Offline capability

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

**In-app purchases:** none

**What reviewers like**

- 👍 Can open documents
- 👍 Can view documents
- 👍 Imports OpenOffice beautifully
- 👍 Useful for quick edits
- 👍 Offline functionality

**What reviewers complain about**

- 🐛 Cannot edit documents
- 🐛 Formatting issues
- 🐛 Text illegible/overlapping
- 🐛 App crashes
- 🐛 Does not save changes

**Reported bugs**

- App crashes when saving
- App crashes when opening files
- App crashes when typing
- App crashes when searching
- Changes not saved

**Requested features**

- Add search function
- Add ability to create new documents
- Improve editing functionality
- Fix formatting issues
- Improve handling of large files


## Frequently asked questions

### Is Acrobat Reader free?

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

### Is OpenDocument Reader Pro free?

OpenDocument Reader Pro costs $3.99, with no in-app purchases.

### Which has better reviews, Acrobat Reader or OpenDocument Reader Pro?

Acrobat Reader is rated higher. Acrobat Reader averages 4.6 out of 5 from 654K ratings, while OpenDocument Reader Pro averages 4.2 from 292 ratings.

### Do Acrobat Reader or OpenDocument Reader Pro have ads?

Neither Acrobat Reader nor OpenDocument Reader Pro shows ads.

### Which is updated more often, Acrobat Reader or OpenDocument Reader Pro?

Acrobat Reader ships an update every 9 days, and OpenDocument Reader Pro every 2 months. Most recently, Acrobat Reader was updated on September 29, 2026 and OpenDocument Reader Pro on September 25, 2026.

### Which is more popular, Acrobat Reader or OpenDocument Reader Pro?

Acrobat Reader currently peaks at #2 in the App Store charts, and OpenDocument Reader Pro at #86. Chart position reflects recent download velocity rather than total install base.

---

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