OSDP Reader vs Holiday Alarm Clock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OSDP Reader
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.
- 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
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Support the latest version 2.2 of OSDP card reader, support mobile virtual card number, multiple settings for mobile card reader, such as Wiegand output format, OSDP output format, keypad output format, mobile virtual card number setting, LED light color, backlight setting…
Holiday Alarm Clock
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Holiday Alarm Clock Rings on official working days in the database, including weekend makeup days, and skips statutory holidays. • Statutory holidays and makeup workdays are loaded from the ApplyAI D1 database. The app only keeps the latest validated cache. • Advanced multi-alarm widgets • Flexible 2–28 day shift cycles • 60-day explainable schedule preview • All themes and a private custom background photo • Import personal days off from all-day ICS events • JSON backup and restore Use Shortcuts or Siri to create an alarm, skip the next alarm, or open the calendar. Holiday Alarm Clock uses Apple AlarmKit for system alarms. Verify volume and device settings before relying on any alarm for safety-critical use. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | OSDP Reader | Holiday Alarm Clock |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 months | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15 — better | 26.0 |
| Further details — not scored | ||
| Size | 11 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Sebury | 志勇 孙 |
In-app purchases
OSDP Reader
No in-app purchases
Holiday Alarm Clock
- Pro · Monthly$0.991 Month
- Pro · Yearly7 Days trial$7.991 Year
Questions
Is OSDP Reader free?
Is Holiday Alarm Clock free?
Do OSDP Reader or Holiday Alarm Clock have ads?
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