# CoMapin vs 日かぞえ｜記念日カウントダウン・経過日数

The clearest difference is in-app purchases: CoMapin at none against 日かぞえ｜記念日カウントダウン・経過日数's 1. CoMapin also leads on iOS requirement (15.0 vs 17.0). 日かぞえ｜記念日カウントダウン・経過日数's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. 日かぞえ｜記念日カウントダウン・経過日数 sells 1 one-off in-app purchase. CoMapin asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 8, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | CoMapin | 日かぞえ｜記念日カウントダウン・経過日数 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Size | 22 MB | 2 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [yuta tabane](https://appshunter.io/developer/1559535512) | [Takuto Iguchi](https://appshunter.io/developer/1868817226) |

## What reviewers say

### CoMapin

[App page](https://appshunter.io/ios/app/comapin/id1570028366)

**Features:** Vision Pro support

**In-app purchases:** none


### 日かぞえ｜記念日カウントダウン・経過日数

[App page](https://appshunter.io/ios/app/id6793054855)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| すべての機能を解放 | $2.99 | one-time |


## Frequently asked questions

### Is CoMapin free?

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

### Is 日かぞえ｜記念日カウントダウン・経過日数 free?

日かぞえ｜記念日カウントダウン・経過日数 is free to download, with in-app purchases available.

### Do CoMapin or 日かぞえ｜記念日カウントダウン・経過日数 have ads?

CoMapin shows ads; 日かぞえ｜記念日カウントダウン・経過日数 does not.

### Which is updated more often, CoMapin or 日かぞえ｜記念日カウントダウン・経過日数?

CoMapin ships an update every 2 weeks, and 日かぞえ｜記念日カウントダウン・経過日数 every 2 weeks. Most recently, CoMapin was updated on October 8, 2026 and 日かぞえ｜記念日カウントダウン・経過日数 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.*