# OSDP Reader vs Holiday Alarm Clock

The clearest difference is in-app purchases: OSDP Reader at none against Holiday Alarm Clock's 2. OSDP Reader also leads on iOS requirement (15 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Holiday Alarm Clock sells 2 in-app purchases, starting at $0.99 per month. OSDP Reader asks for nothing beyond the download.

## The numbers

| Metric | OSDP Reader | Holiday Alarm Clock |
| --- | --- | --- |
| 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 3 months | — |
| Monetization | Paid | — |
| Size | 11 MB | 6 MB |
| Requires iOS | **15** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sebury](https://appshunter.io/developer/1329453882) | [志勇 孙](https://appshunter.io/developer/1788839038) |

## 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


### Holiday Alarm Clock

[App page](https://appshunter.io/ios/app/holiday-alarm-clock/id6809267584)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro · Monthly | $0.99 | per month |
| Pro · Yearly | $7.99 | per year |


## Frequently asked questions

### Is OSDP Reader free?

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

### Is Holiday Alarm Clock free?

Holiday Alarm Clock is free to download, with in-app purchases available.

### Do OSDP Reader or Holiday Alarm Clock have ads?

Neither OSDP Reader nor Holiday Alarm Clock 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.*