# Koyomi vs Multi calculator  マルチ電卓

The clearest difference is price: Multi calculator  マルチ電卓 at Free against Koyomi's $1.99. Koyomi's advantage is ads (none vs shown) and device support (5 vs 2). On update cadence and in-app purchases there is nothing between them.

Multi calculator  マルチ電卓 is free to download; Koyomi costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Koyomi ships an update every 5 weeks, Multi calculator  マルチ電卓 every 2 months. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Koyomi | Multi calculator  マルチ電卓 |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/koyomi/id926113841/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 58.3% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 18 MB | 103 MB |
| Requires iOS | **9.0** | 13.2 |
| Devices | **iPhone, iPad, iPod, Mac, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [iWare Inc.](https://appshunter.io/developer/720005589) | [touru tsuruta](https://appshunter.io/developer/1084745827) |

## What reviewers say

### Koyomi

[App page](https://appshunter.io/ios/app/koyomi/id926113841)

This app displays traditional Japanese calendars, including lunar phases, zodiac signs, and auspicious days. It integrates with your existing iOS calendar and offers features like printing and PDF sharing. Perfect for those who appreciate traditional calendrical information.

**Highlights:** Standard calendar import and display, Detailed Japanese calendar view (zodiac, lunar, etc.), Moon phase and age display, Calendar printing and PDF sharing, Widget support, Monthly/yearly/list calendar views, Sunrise and sunset times

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

**In-app purchases:** none


### Multi calculator  マルチ電卓

[App page](https://appshunter.io/ios/app/multi-calculator/id1510076264)

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

**In-app purchases:** none


## Frequently asked questions

### Is Koyomi free?

Koyomi costs $1.99, with no in-app purchases.

### Is Multi calculator  マルチ電卓 free?

Multi calculator  マルチ電卓 is free to download, with no in-app purchases.

### Do Koyomi or Multi calculator  マルチ電卓 have ads?

Multi calculator  マルチ電卓 shows ads; Koyomi does not.

### Which is updated more often, Koyomi or Multi calculator  マルチ電卓?

Koyomi ships an update every 5 weeks, and Multi calculator  マルチ電卓 every 2 months. Most recently, Koyomi was updated on October 24, 2026 and Multi calculator  マルチ電卓 on October 16, 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.*