# PDF Reader vs Alarmo

The clearest difference is update cadence: Alarmo at every 2 days against PDF Reader's every 10 days. PDF Reader's advantage is chart position (#54 vs unranked) and iOS requirement (15.6 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PDF Reader sells 2 in-app purchases, starting at $5.99 per 7 days and Alarmo sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

PDF Reader ships an update every 10 days, Alarmo every 2 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | PDF Reader | Alarmo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (521 ratings)](https://appshunter.io/ios/app/pdf-reader-ocr-scan-edit/id6754001880/reviews)** | — |
| Number of ratings | **521** | — |
| Positive reviews | 42.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 10 days | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#54** | — |
| Size | 72 MB | 70 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Fuzhou Jiange Technology Co., Ltd.](https://appshunter.io/developer/1821346905) | [MEHMET DURAN](https://appshunter.io/developer/6777991540) |

## What reviewers say

### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-ocr-scan-edit/id6754001880)

**Currently charting:** #54 Top Free · Productivity (US App Store)

This mobile app acts as a PDF office assistant, offering features for editing, scanning, and optical character recognition. It allows for easy document management, page manipulation, and conversion of images and paper documents into editable digital files.

**Highlights:** PDF Editing, Image to PDF conversion, Import PDF files, OCR Text Recognition, Add, delete, rearrange pages, Filters, highlights, annotations

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Reader Ad-Free | $5.99 | per 7 days |
| PDF Reader Ad-Free | $29.99 | per year |


### Alarmo

[App page](https://appshunter.io/ios/app/alarmo-smart-alarm/id6779810235)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Alarmo Premium | $0.99 | per month |
| Alarmo Premium | $6.99 | per year |


## Frequently asked questions

### Is PDF Reader free?

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

### Is Alarmo free?

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

### Do PDF Reader or Alarmo have ads?

Both PDF Reader and Alarmo show ads.

### Which is updated more often, PDF Reader or Alarmo?

PDF Reader ships an update every 10 days, and Alarmo every 2 days. Most recently, PDF Reader was updated on November 5, 2026 and Alarmo on October 31, 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.*