# Open Reader vs Olarm

The clearest difference is price: Olarm at Free against Open Reader's $4.99. Olarm also leads on rating (3.9 vs 1.0) and review sentiment (54% vs 17%). Open Reader's advantage is iOS requirement (13.0 vs 15.1). On ads, in-app purchases, monetization model and device support there is nothing between them.

Olarm is free to download; Open Reader costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Olarm holds the better App Store score, 3.9 against 1.0. That said, the two scores are not equally well evidenced: Olarm has 32 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 17% of Open Reader's written reviews are positive against 54% of Olarm's.

Open Reader ships an update every 2 months, Olarm every 3 weeks. The most recent releases landed on October 27, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Open Reader | Olarm |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/open-reader/id418736078/reviews) | **[3.9 (32 ratings)](https://appshunter.io/ios/app/olarm/id1008427663/reviews)** |
| Number of ratings | 2 | **32** |
| Positive reviews | 17.1% of reviews | **54.2% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 36 MB | 39 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [UMateY](https://appshunter.io/developer/327433577) | [Olarm (Pty) Ltd](https://appshunter.io/developer/1641993829) |

## What reviewers say

### Open Reader

[App page](https://appshunter.io/ios/app/open-reader/id418736078)

This app allows you to view a wide range of document formats, including Open Document files, PDFs, and Microsoft Office documents. It also functions as a robust document manager, enabling file downloads from various sources and cloud storage services.

**Highlights:** View ODT, ODS, ODP files, Download files from email and web, Manage files with folders and renaming, View PDF, Word, Excel, PowerPoint, Integrates with Google Drive, Dropbox, Box, Wireless file transfer

**Features:** macOS Compatibility

**In-app purchases:** none


### Olarm

[App page](https://appshunter.io/ios/app/olarm/id1008427663)

Control and manage your home alarm system directly from your smartphone. This app allows you to arm, disarm, and monitor your system in real-time, receive notifications, and manage users. It also offers features like silent panic and gate control.

**Highlights:** Arm, Disarm, Sleep, Stay modes, Arming reminders, Real-time zone activity log, Silent Panic, Cancel Responder, User management, Gate and light control

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

**In-app purchases:** none


## Frequently asked questions

### Is Open Reader free?

Open Reader costs $4.99, with no in-app purchases.

### Is Olarm free?

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

### Which has better reviews, Open Reader or Olarm?

Olarm is rated higher. Open Reader averages 1.0 out of 5 from 2 ratings, while Olarm averages 3.9 from 32 ratings.

### Do Open Reader or Olarm have ads?

Neither Open Reader nor Olarm shows ads.

### Which is updated more often, Open Reader or Olarm?

Open Reader ships an update every 2 months, and Olarm every 3 weeks. Most recently, Open Reader was updated on October 27, 2026 and Olarm on November 1, 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.*