# Calendar Clock vs Comato / 調剤電卓・計算ツール

The clearest difference is review sentiment: Comato / 調剤電卓・計算ツール at 75% against Calendar Clock's 0%. Comato / 調剤電卓・計算ツール also leads on price (Free vs $0.99) and update cadence (every 2 months vs every 41 months). Calendar Clock's advantage is ads (none vs shown). On in-app purchases and device support there is nothing between them.

Comato / 調剤電卓・計算ツール is free to download; Calendar Clock costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Calendar Clock ships an update every 41 months, Comato / 調剤電卓・計算ツール every 2 months. The most recent releases landed on September 10, 2026 and July 24, 2026 respectively.

## The numbers

| Metric | Calendar Clock | Comato / 調剤電卓・計算ツール |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 0.0% of reviews | **75.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 41 months | **Every 2 months** |
| Monetization | Paid | **Ad-supported** |
| Size | 4 MB | 14 MB |
| Requires iOS | 26.5 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Systemiko Inc.](https://appshunter.io/developer/680630947) | [YUSUKE KAMAHARA](https://appshunter.io/developer/1495620376) |

## What reviewers say

### Calendar Clock

[App page](https://appshunter.io/ios/app/calendar-clock/id1451445740)

This app displays the current year, month, week, and time on a single screen with a clean design. It offers customizable theme colors and functions as a desk clock. The app disables device sleep mode while active.

**Highlights:** All-in-one screen display, Year, month, week, day, hour, minute, second, Switchable theme colors (dark, light, green, blue), Disables device sleep mode, Acts as a desk clock

**Features:** macOS Compatibility

**In-app purchases:** none


### Comato / 調剤電卓・計算ツール

[App page](https://appshunter.io/ios/app/comato/id1495620377)

This tool assists with pharmaceutical dispensing tasks. It offers a calculator for tablet counts and dosages, and a feature to easily determine future dispensing dates based on a start date. Designed for efficient pharmacy operations.

**Highlights:** Tablet quantity and dosage calculations, Calculate number of heats and loose pills, Supports powdered and Kampo medicines, Calculate future dispensing dates, Preset date calculations

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

**In-app purchases:** none


## Frequently asked questions

### Is Calendar Clock free?

Calendar Clock costs $0.99, with no in-app purchases.

### Is Comato / 調剤電卓・計算ツール free?

Comato / 調剤電卓・計算ツール is free to download, with no in-app purchases.

### Do Calendar Clock or Comato / 調剤電卓・計算ツール have ads?

Comato / 調剤電卓・計算ツール shows ads; Calendar Clock does not.

### Which is updated more often, Calendar Clock or Comato / 調剤電卓・計算ツール?

Calendar Clock ships an update every 41 months, and Comato / 調剤電卓・計算ツール every 2 months. Most recently, Calendar Clock was updated on September 10, 2026 and Comato / 調剤電卓・計算ツール on July 24, 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.*