# One Calendar vs Calendrier

The clearest difference is in-app purchases: Calendrier at none against One Calendar's 1. Calendrier also leads on review sentiment (100% vs 81%) and iOS requirement (13.4 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. One Calendar sells 1 one-off in-app purchase. Calendrier asks for nothing beyond the download.

One Calendar ships an update fortnightly, Calendrier every 3 weeks. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | One Calendar | Calendrier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (21K ratings)](https://appshunter.io/ios/app/one-calendar/id1238379385/reviews)** | — |
| Number of ratings | **21K** | — |
| Positive reviews | 80.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 89 MB | 42 MB |
| Requires iOS | 15.0 | **13.4** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Code Spark](https://appshunter.io/developer/1238379384) | [Shreyaskumar Patel](https://appshunter.io/developer/1599209768) |

## What reviewers say

### One Calendar

[App page](https://appshunter.io/ios/app/one-calendar/id1238379385)

Consolidate all your digital calendars into a single, easy-to-read view. Manage appointments, events, and birthdays from various providers like Google, Outlook, iCloud, and more, all within one application.

**Highlights:** Integrates multiple calendar providers, Easy-to-read overview, Manage appointments and events, View birthdays, Cross-platform availability

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OneCalendar premium | $5.99 | one-time |

**What reviewers like**

- 🚀 Easy to use
- 👍 Clean and simple interface
- 👍 Integrates multiple calendars
- 🚀 Syncs across devices
- 👍 Customizable colors and themes

**What reviewers complain about**

- 🐛 Syncing issues
- 🐛 Bugs and glitches
- 🔒 Lacks security features
- 🔋 Drains battery
- 👎 Restrictive features in free version

**Reported bugs**

- Sync errors
- Unresponsive buttons
- Incorrect time zone display
- Duplicate events
- Inability to delete future occurrences of recurring events

**Requested features**

- Multiple reminders for events
- Ability to edit recurring events
- Option to change event calendar after creation
- Printing support
- More customization options


### Calendrier

[App page](https://appshunter.io/ios/app/calendrier/id1611889342)

This app helps you manage your schedule by tracking events and appointments. It offers multiple calendar views to easily spot conflicts and free time, and allows for quick event creation with smart suggestions. You can also manage tasks alongside your events and share calendars with others.

**Highlights:** Multiple calendar views (month, week, day), Task management alongside events, Quick event creation with smart suggestions, Calendar sharing, Appointment reminders, Collaborative scheduling

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is One Calendar free?

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

### Is Calendrier free?

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

### Do One Calendar or Calendrier have ads?

Neither One Calendar nor Calendrier shows ads.

### Which is updated more often, One Calendar or Calendrier?

One Calendar ships an update fortnightly, and Calendrier every 3 weeks. Most recently, One Calendar was updated on October 29, 2026 and Calendrier 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.*