# Calendar.online vs Mega Calendar

The clearest difference is in-app purchases: Calendar.online at none against Mega Calendar's 3. Calendar.online also leads on ads (none vs shown) and ratings volume (39 vs 1). Mega Calendar's advantage is update cadence (every 2 weeks vs every 3 months) and rating (5.0 vs 4.7). On price, review sentiment and device support there is nothing between them.

Both are free to download. Mega Calendar sells 3 in-app purchases, starting at $0.99 per month. Calendar.online asks for nothing beyond the download.

Mega Calendar holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Calendar.online has 39 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Calendar.online ships an update every 3 months, Mega Calendar every 2 weeks. The most recent releases landed on September 9, 2026 and September 1, 2026 respectively.

## The numbers

| Metric | Calendar.online | Mega Calendar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (39 ratings)](https://appshunter.io/ios/app/calendaronline/id1607856409/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mega-calendar/id6496850711/reviews)** |
| Number of ratings | **39** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 65 MB | 103 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kalender.digital](https://appshunter.io/developer/1584623403) | [VU THANH](https://appshunter.io/developer/1009861172) |

## What reviewers say

### Calendar.online

[App page](https://appshunter.io/ios/app/calendaronline/id1607856409)

This free online calendar facilitates team collaboration with shareable access links. Manage permissions, set passwords, and customize views for seamless group scheduling. Access your calendar from any device with a simple bookmark.

**Highlights:** Shareable access links, Role-based permissions (admin, editor, reader), Password protection for links, Customizable access link views, Dashboard for managing calendars, Device bookmarking

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

**In-app purchases:** none


### Mega Calendar

[App page](https://appshunter.io/ios/app/mega-calendar/id6496850711)

Organize your schedule with detailed daily planning, recurring event setup, and customizable reminders. Create travel itineraries, manage to-do lists with notifications, and access all features offline. Personalize notification sounds to distinguish between events.

**Highlights:** Detailed daily planning, Recurring event setup, Customizable reminders, Travel itinerary creation, To-do list management, Offline functionality, Customizable notification sounds

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Yearly | $3.99 | per year |
| Lifetime | $7.99 | one-time |


## Frequently asked questions

### Is Calendar.online free?

Calendar.online is free to download, with no in-app purchases.

### Is Mega Calendar free?

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

### Which has better reviews, Calendar.online or Mega Calendar?

Mega Calendar is rated higher. Calendar.online averages 4.7 out of 5 from 39 ratings, while Mega Calendar averages 5.0 from 1 ratings.

### Do Calendar.online or Mega Calendar have ads?

Mega Calendar shows ads; Calendar.online does not.

### Which is updated more often, Calendar.online or Mega Calendar?

Calendar.online ships an update every 3 months, and Mega Calendar every 2 weeks. Most recently, Calendar.online was updated on September 9, 2026 and Mega Calendar on September 1, 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.*