# Chronogram vs Mega Calendar

The clearest difference is in-app purchases: Chronogram at none against Mega Calendar's 3. Chronogram also leads on ads (none vs shown) and ratings volume (17 vs 1). On price, rating, review sentiment and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Chronogram against 5.0 for Mega Calendar. That said, the two scores are not equally well evidenced: Chronogram has 17 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.

Both ship on a similar rhythm, roughly every 2 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Chronogram | Mega Calendar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (17 ratings)](https://appshunter.io/ios/app/chronogram-create-moments/id1527207090/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/mega-calendar/id6496850711/reviews) |
| Number of ratings | **17** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 37 MB | 103 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Chronogram LLC (U.S.)](https://appshunter.io/developer/1527207092) | [VU THANH](https://appshunter.io/developer/1009861172) |

## What reviewers say

### Chronogram

[App page](https://appshunter.io/ios/app/chronogram-create-moments/id1527207090)

This app facilitates collaborative event planning and sharing for both individuals and organizations. It allows users to discover and connect with events, manage personal schedules, and helps organizations engage their audience by publishing events directly to followers' calendars.

**Highlights:** Collaborative event creation, Event sharing and discovery, Personal event scheduling, Organization event publishing, Follow organizations of interest, Minimize scheduling conflicts

**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 Chronogram free?

Chronogram 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, Chronogram or Mega Calendar?

Chronogram and Mega Calendar are both rated 5.0 out of 5 on the App Store, from 17 and 1 ratings respectively.

### Do Chronogram or Mega Calendar have ads?

Mega Calendar shows ads; Chronogram does not.

### Which is updated more often, Chronogram or Mega Calendar?

Chronogram ships an update every 2 weeks, and Mega Calendar every 2 weeks. Most recently, Chronogram was updated on October 24, 2026 and Mega Calendar on October 24, 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.*