# Acrobat Reader vs Osalu

The clearest difference is in-app purchases: Osalu at none against Acrobat Reader's 18. Osalu also leads on iOS requirement (13.0 vs 18.3). Acrobat Reader's advantage is update cadence (every 10 days vs every 3 months) and chart position (#2 vs unranked). On price, ads and device support there is nothing between them.

Both are free to download. Acrobat Reader sells 16 in-app purchases, starting at $3.99 per month. Osalu asks for nothing beyond the download.

Acrobat Reader ships an update every 10 days, Osalu every 3 months. The most recent releases landed on October 13, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Acrobat Reader | Osalu |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (658K ratings)](https://appshunter.io/ios/app/acrobat-reader-pdf-editor/id469337564/reviews)** | — |
| Number of ratings | **658K** | — |
| Positive reviews | 49.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 months |
| Monetization | Freemium | — |
| Best chart rank | **#2** | — |
| Size | 527 MB | 115 MB |
| Requires iOS | 18.3 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Adobe Inc.](https://appshunter.io/developer/331646274) | [VerbTech Industries Inc.](https://appshunter.io/developer/1188762790) |

## 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, #72 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


### Osalu

[App page](https://appshunter.io/ios/app/osalu/id6463182019)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Acrobat Reader free?

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

### Is Osalu free?

Osalu is free to download, with no in-app purchases.

### Do Acrobat Reader or Osalu have ads?

Neither Acrobat Reader nor Osalu shows ads.

### Which is updated more often, Acrobat Reader or Osalu?

Acrobat Reader ships an update every 10 days, and Osalu every 3 months. Most recently, Acrobat Reader was updated on October 13, 2026 and Osalu on October 8, 2026.

---

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