# Calendoc vs Zen Routine

The clearest difference is ads: Calendoc at none against Zen Routine's shown. Calendoc also leads on device support (3 vs 1). Zen Routine's advantage is iOS requirement (16.4 vs 18.0). On price and in-app purchases there is nothing between them.

Both are free to download. Calendoc sells 2 one-off in-app purchases and Zen Routine sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Calendoc | Zen Routine |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | — |
| Size | 18 MB | 60 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Toshiki Izumi](https://appshunter.io/developer/1729717097) | [Masakatsu Aida](https://appshunter.io/developer/6779135295) |

## What reviewers say

### Calendoc

[App page](https://appshunter.io/ios/app/calendoc-parallel-calendars/id6791646438)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 14-day Trial | Free | one-time |
| Calendoc Pro | $19.99 | one-time |


### Zen Routine

[App page](https://appshunter.io/ios/app/zen-routine-weekly-manager/id6800617441)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $3.99 | per month |
| Premium One-Time Purchase | $39.99 | one-time |


## Frequently asked questions

### Is Calendoc free?

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

### Is Zen Routine free?

Zen Routine is free to download, with in-app purchases available.

### Do Calendoc or Zen Routine have ads?

Zen Routine shows ads; Calendoc does not.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*