Cal ID
Schedule and monetize meetings for free
Fajr Calendar
Easiest way to add Islamic prayer times to your calendar
Updated February 2026
| Cal ID | Fajr Calendar | |
|---|---|---|
| Rating | 5.0★ | 5.0★ |
| Reviews | 8 | 25 |
| Pros | 7 | 11 |
| FactScore™ | 47.7 | 70.2 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in Cal ID — Pros
Custom schedules Easy scheduling Email and whatsapp reminders Minimalistic design Payment integration Team collaboration Workflow automationBoth tools — Pros
—Only in Fajr Calendar — Pros
Prayer time integration Conflict avoidance Useful for busy schedules Helps maintain prayer consistency Schedule management Reminders and alerts User-friendly interface Automatic location updates Customer support Customizable prayer duration Easy setupOnly in Cal ID — Cons
Custom branding Event pricing would be a nice featureBoth tools — Cons
—Only in Fajr Calendar — Cons
—Details
| Cal ID | Fajr Calendar | |
|---|---|---|
| Categories | Calendar apps, Scheduling software, Meeting software | Calendar apps |
| Platforms | Web | Web |
| Became Popular | November 10, 2025 | September 28, 2023 |
| Website | cal.id | calendar.fajrapp.com |
Who Should Pick Which?
Choose Cal ID if...
- Custom schedules
- Easy scheduling
- Email and whatsapp reminders
Choose Fajr Calendar if...
- Prayer time integration
- Conflict avoidance
- Useful for busy schedules
With a FactScore™ of 47.7 vs 70.2, Fajr Calendar leads in community reception. Cal ID uniquely offers Custom schedules and Easy scheduling, while Fajr Calendar stands out for Prayer time integration and Conflict avoidance.
What Users Say
Cal ID
better pricing and power usage.Simplier and better name.
Fajr Calendar
Awesome idea, adding the prayer time to my calendar to avoid any conflicts between meetings 🙏
Awesome idea, adding the prayer time to my calendar to avoid any conflicts between meetings 🙏
So cool app, we've enjoyed building it!
Frequently Asked Questions
Which is better, Cal ID or Fajr Calendar?
Based on FactScore™, Fajr Calendar leads with a score of 70.2 vs 47.7. Fajr Calendar has a higher rating of 5.0★ compared to 5.0★.
What are the pros of Cal ID compared to Fajr Calendar?
Cal ID uniquely offers: Custom schedules, Easy scheduling, Email and whatsapp reminders, Minimalistic design, Payment integration.
What are the pros of Fajr Calendar compared to Cal ID?
Fajr Calendar uniquely offers: Prayer time integration, Conflict avoidance, Useful for busy schedules, Helps maintain prayer consistency, Schedule management.
Is Cal ID better rated than Fajr Calendar?
Cal ID is rated 5.0★ from 8 reviews. Fajr Calendar is rated 5.0★ from 25 reviews.
What is the FactScore™ of Cal ID and Fajr Calendar?
FactScore™ weighs rating and review volume together. Cal ID scores 47.7 and Fajr Calendar scores 70.2.
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