# Simple Task Manager vs 退屈道場

The clearest difference is in-app purchases: 退屈道場 at none against Simple Task Manager's 3. 退屈道場 also leads on iOS requirement (15.1 vs 17.6). Simple Task Manager's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Simple Task Manager sells 3 in-app purchases, starting at $3.99 per month. 退屈道場 asks for nothing beyond the download.

Simple Task Manager ships an update every 3 weeks, 退屈道場 every 2 months. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Simple Task Manager | 退屈道場 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 1 MB | 50 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KAZUHO MOROFUJI](https://appshunter.io/developer/1862359039) | [TAKESHI NOJIRI](https://appshunter.io/developer/1895593111) |

## What reviewers say

### Simple Task Manager

[App page](https://appshunter.io/ios/app/simple-task-manager-one-task/id6756692582)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Task AI Monthly | $3.99 | per month |
| OneTask AI Yearly | $24.99 | per year |
| One Task Plus | $1.99 | one-time |


### 退屈道場

[App page](https://appshunter.io/ios/app/id6763999603)

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

**In-app purchases:** none


## Frequently asked questions

### Is Simple Task Manager free?

Simple Task Manager is free to download, with in-app purchases available.

### Is 退屈道場 free?

退屈道場 is free to download, with no in-app purchases.

### Do Simple Task Manager or 退屈道場 have ads?

Neither Simple Task Manager nor 退屈道場 shows ads.

### Which is updated more often, Simple Task Manager or 退屈道場?

Simple Task Manager ships an update every 3 weeks, and 退屈道場 every 2 months. Most recently, Simple Task Manager was updated on October 28, 2026 and 退屈道場 on October 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.*