# Calendrier vs Nook

The clearest difference is update cadence: Nook at every 3 days against Calendrier's every 3 weeks. Calendrier's advantage is iOS requirement (13.4 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Calendrier ships an update every 3 weeks, Nook every 3 days. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Calendrier | Nook |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Free | — |
| Size | 42 MB | 16 MB |
| Requires iOS | **13.4** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Shreyaskumar Patel](https://appshunter.io/developer/1599209768) | [KANG SEUNGHYUN](https://appshunter.io/developer/6797773160) |

## What reviewers say

### 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


### Nook

[App page](https://appshunter.io/ios/app/nook-read-write-own/id6797773158)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calendrier free?

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

### Is Nook free?

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

### Do Calendrier or Nook have ads?

Neither Calendrier nor Nook shows ads.

### Which is updated more often, Calendrier or Nook?

Calendrier ships an update every 3 weeks, and Nook every 3 days. Most recently, Calendrier was updated on October 24, 2026 and Nook on October 10, 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.*