# かんたんタスクカレンダー vs When Again?

The clearest difference is in-app purchases: かんたんタスクカレンダー at none against When Again?'s 1. かんたんタスクカレンダー also leads on ads (none vs shown) and device support (3 vs 1). When Again?'s advantage is update cadence (daily vs every 10 days). On price and iOS requirement there is nothing between them.

Both are free to download. When Again? sells 1 one-off in-app purchase. かんたんタスクカレンダー asks for nothing beyond the download.

かんたんタスクカレンダー ships an update every 10 days, When Again? daily. The most recent releases landed on September 14, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | かんたんタスクカレンダー | When Again? |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 days | **Daily** |
| Size | 38 MB | 59 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yu Otsuka](https://appshunter.io/developer/1886609510) | [Masamune Hiroiwa](https://appshunter.io/developer/1882916292) |

## What reviewers say

### かんたんタスクカレンダー

[App page](https://appshunter.io/ios/app/id6760923848)

**Features:** macOS Compatibility

**In-app purchases:** none


### When Again?

[App page](https://appshunter.io/ios/app/when-again/id6772761503)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム（買い切り） | $4.99 | one-time |


## Frequently asked questions

### Is かんたんタスクカレンダー free?

かんたんタスクカレンダー is free to download, with no in-app purchases.

### Is When Again? free?

When Again? is free to download, with in-app purchases available.

### Do かんたんタスクカレンダー or When Again? have ads?

When Again? shows ads; かんたんタスクカレンダー does not.

### Which is updated more often, かんたんタスクカレンダー or When Again??

かんたんタスクカレンダー ships an update every 10 days, and When Again? daily. Most recently, かんたんタスクカレンダー was updated on September 14, 2026 and When Again? on September 22, 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.*