# OpenDocument Reader vs Smart PDF Converter

The clearest difference is in-app purchases: OpenDocument Reader at none against Smart PDF Converter's 3. OpenDocument Reader also leads on ratings volume (908 vs 22). Smart PDF Converter's advantage is ads (none vs shown) and iOS requirement (10.0 vs 15.0). On price, rating, update cadence and device support there is nothing between them.

Both are free to download. Smart PDF Converter sells 3 one-off in-app purchases. OpenDocument Reader asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.5 for OpenDocument Reader against 4.6 for Smart PDF Converter. That said, the two scores are not equally well evidenced: OpenDocument Reader has 908 ratings behind it against 22, so its average is the more settled of the two.

OpenDocument Reader ships an update every 3 weeks, Smart PDF Converter every 10 days. The most recent releases landed on October 14, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | OpenDocument Reader | Smart PDF Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (908 ratings)](https://appshunter.io/ios/app/opendocument-reader-view-odt/id1510195065/reviews) | **[4.6 (22 ratings)](https://appshunter.io/ios/app/smart-pdf-converter/id1543582513/reviews)** |
| Number of ratings | **908** | 22 |
| Positive reviews | 30.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 11 MB | 46 MB |
| Requires iOS | 15.0 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stefl und Taschauer OG](https://appshunter.io/developer/1452061742) | [Oleksandra Holovina](https://appshunter.io/developer/1543582515) |

## What reviewers say

### OpenDocument Reader

[App page](https://appshunter.io/ios/app/opendocument-reader-view-odt/id1510195065)

View and edit ODT, ODS, and ODP files on your mobile device. Seamlessly open documents from cloud storage or your device's file explorer, with support for password-protected files and keyword searching. Enjoy offline access and basic editing capabilities.

**Highlights:** View ODT, ODS, ODP files, Basic document editing, Open from cloud storage, Password-protected document support, Keyword search and highlighting, Offline functionality, Print documents

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Fast file opening
- 💡 Good ODT reader

**What reviewers complain about**

- 🐛 Corrupted files upon editing
- 🐛 Presentation issues with formatting and features
- 🐛 Inability to edit spreadsheets properly

**Reported bugs**

- Corrupted files
- Formatting issues
- Crashes and app closing issues

**Requested features**

- Dark mode option
- Better spreadsheet editing capabilities
- Improved file format compatibility


### Smart PDF Converter

[App page](https://appshunter.io/ios/app/smart-pdf-converter/id1543582513)

Easily convert documents, images, spreadsheets, and presentations into various formats. Access your conversion history across devices after signing in.

**Highlights:** Convert various file types, Supports images, docs, spreadsheets, presentations, Convert to any supported format, Access conversion history, Cross-device access with sign-in

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 conversion credits | $0.99 | one-time |
| 100 conversion credits | $4.99 | one-time |
| 1000 conversion credits | $14.99 | one-time |


## Frequently asked questions

### Is OpenDocument Reader free?

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

### Is Smart PDF Converter free?

Smart PDF Converter is free to download, with in-app purchases available.

### Which has better reviews, OpenDocument Reader or Smart PDF Converter?

Smart PDF Converter is rated higher. OpenDocument Reader averages 4.5 out of 5 from 908 ratings, while Smart PDF Converter averages 4.6 from 22 ratings.

### Do OpenDocument Reader or Smart PDF Converter have ads?

OpenDocument Reader shows ads; Smart PDF Converter does not.

### Which is updated more often, OpenDocument Reader or Smart PDF Converter?

OpenDocument Reader ships an update every 3 weeks, and Smart PDF Converter every 10 days. Most recently, OpenDocument Reader was updated on October 14, 2026 and Smart PDF Converter on September 21, 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.*