# Chouseisan vs MonoCal

The clearest difference is price: Chouseisan at Free against MonoCal's $0.49. Chouseisan also leads on iOS requirement (15.6 vs 26.6). MonoCal's advantage is ads (none vs shown). On update cadence, in-app purchases and device support there is nothing between them.

Chouseisan is free to download; MonoCal costs $0.49 up front. Neither carries in-app purchases, so what you see is what you pay.

Chouseisan ships an update fortnightly, MonoCal weekly. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Chouseisan | MonoCal |
| --- | --- | --- |
| Price | **Free** | $0.49 |
| Rating | **[4.9 (43 ratings)](https://appshunter.io/ios/app/chouseisan/id6448971739/reviews)** | — |
| Number of ratings | **43** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Ad-supported | — |
| Size | 99 MB | 3 MB |
| Requires iOS | **15.6** | 26.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Mixtend Inc.](https://appshunter.io/developer/1687241996) | [kazuyoshi onozawa](https://appshunter.io/developer/6789441022) |

## What reviewers say

### Chouseisan

[App page](https://appshunter.io/ios/app/chouseisan/id6448971739)

This free scheduling app simplifies event organization for both personal and professional use. Easily create event pages and share URLs with guests to coordinate schedules efficiently. It's a top scheduling service in Japan, designed for smooth itinerary planning.

**Highlights:** Streamlines event scheduling, Easy event page creation, Shareable event URLs, Suitable for private and business use, Large user base in Japan

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

**In-app purchases:** none


### MonoCal

[App page](https://appshunter.io/ios/app/monocal/id6814667627)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Chouseisan free?

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

### Is MonoCal free?

MonoCal costs $0.49, with no in-app purchases.

### Do Chouseisan or MonoCal have ads?

Chouseisan shows ads; MonoCal does not.

### Which is updated more often, Chouseisan or MonoCal?

Chouseisan ships an update fortnightly, and MonoCal weekly. Most recently, Chouseisan was updated on November 7, 2026 and MonoCal on October 31, 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.*