# AstroCalendar vs ポケット万年暦

The clearest difference is in-app purchases: AstroCalendar at none against ポケット万年暦's 1. AstroCalendar also leads on iOS requirement (9.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. ポケット万年暦 sells 1 one-off in-app purchase. AstroCalendar asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | AstroCalendar | ポケット万年暦 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 41.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | Every 4 months |
| Size | 7 MB | 37 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [i3 System Corp.](https://appshunter.io/developer/596613083) | [Keisuke Nishimura](https://appshunter.io/developer/961409573) |

## What reviewers say

### AstroCalendar

[App page](https://appshunter.io/ios/app/astrocalendar/id596613080)

**Features:** macOS Compatibility

**In-app purchases:** none


### ポケット万年暦

[App page](https://appshunter.io/ios/app/id1245138589)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告解除 | $1.99 | one-time |


## Frequently asked questions

### Is AstroCalendar free?

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

### Is ポケット万年暦 free?

ポケット万年暦 is free to download, with in-app purchases available.

### Do AstroCalendar or ポケット万年暦 have ads?

Both AstroCalendar and ポケット万年暦 show ads.

### Which is updated more often, AstroCalendar or ポケット万年暦?

AstroCalendar ships an update every 4 months, and ポケット万年暦 every 4 months. Most recently, AstroCalendar was updated on November 6, 2026 and ポケット万年暦 on November 2, 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.*