# あと何日何分何秒？営業日で計算できるカウントダウンアプリ vs 100日目標チャレンジ

The clearest difference is ads: 100日目標チャレンジ at none against あと何日何分何秒？営業日で計算できるカウントダウンアプリ's shown. あと何日何分何秒？営業日で計算できるカウントダウンアプリ's advantage is update cadence (every 9 days vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. あと何日何分何秒？営業日で計算できるカウントダウンアプリ sells 1 one-off in-app purchase and 100日目標チャレンジ sells 1 in-app purchase, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

あと何日何分何秒？営業日で計算できるカウントダウンアプリ ships an update every 9 days, 100日目標チャレンジ every 2 months. The most recent releases landed on October 9, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | あと何日何分何秒？営業日で計算できるカウントダウンアプリ | 100日目標チャレンジ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Every 2 months |
| Size | 18 MB | 44 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [KENICHI YAMAMOTO](https://appshunter.io/developer/1335325739) | [Reo Takabatake](https://appshunter.io/developer/1888701948) |

## What reviewers say

### あと何日何分何秒？営業日で計算できるカウントダウンアプリ

[App page](https://appshunter.io/ios/app/id6747471383)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| フル機能版 | $1.99 | one-time |


### 100日目標チャレンジ

[App page](https://appshunter.io/ios/app/100/id6761291437)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro 月額 | $3.99 | per month |


## Frequently asked questions

### Is あと何日何分何秒？営業日で計算できるカウントダウンアプリ free?

あと何日何分何秒？営業日で計算できるカウントダウンアプリ is free to download, with in-app purchases available.

### Is 100日目標チャレンジ free?

100日目標チャレンジ is free to download, with in-app purchases available.

### Do あと何日何分何秒？営業日で計算できるカウントダウンアプリ or 100日目標チャレンジ have ads?

あと何日何分何秒？営業日で計算できるカウントダウンアプリ shows ads; 100日目標チャレンジ does not.

### Which is updated more often, あと何日何分何秒？営業日で計算できるカウントダウンアプリ or 100日目標チャレンジ?

あと何日何分何秒？営業日で計算できるカウントダウンアプリ ships an update every 9 days, and 100日目標チャレンジ every 2 months. Most recently, あと何日何分何秒？営業日で計算できるカウントダウンアプリ was updated on October 9, 2026 and 100日目標チャレンジ on October 20, 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.*