# OSDP Reader vs PDF Compress

The clearest difference is in-app purchases: OSDP Reader at none against PDF Compress's 3. OSDP Reader also leads on iOS requirement (15 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. PDF Compress sells 3 in-app purchases, starting at $2.99 per 7 days. OSDP Reader asks for nothing beyond the download.

## The numbers

| Metric | OSDP Reader | PDF Compress |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/osdp-reader/id6477343162/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Paid | — |
| Size | 11 MB | 9 MB |
| Requires iOS | **15** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sebury](https://appshunter.io/developer/1329453882) | [Sajan Mahato](https://appshunter.io/developer/1841088081) |

## What reviewers say

### OSDP Reader

[App page](https://appshunter.io/ios/app/osdp-reader/id6477343162)

This utility app supports the latest OSDP card reader version 2.2. It offers extensive mobile virtual card number settings, including Wiegand and OSDP output formats, keypad settings, and LED light customization.

**Highlights:** OSDP 2.2 support, Mobile virtual card number, Wiegand output format settings, OSDP output format settings, Keypad output format settings, LED light color customization, Backlight setting

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

**In-app purchases:** none


### PDF Compress

[App page](https://appshunter.io/ios/app/pdf-compress-pdf-converter/id6794847791)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $2.99 | per 7 days |
| Yearly Subscription | $9.99 | per year |
| Lifetime | $14.99 | one-time |


## Frequently asked questions

### Is OSDP Reader free?

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

### Is PDF Compress free?

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

### Do OSDP Reader or PDF Compress have ads?

Neither OSDP Reader nor PDF Compress shows ads.

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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.*