# シンプルで疲れないタスク管理アプリ　スマートフセン vs Trial&Error

The clearest difference is update cadence: Trial&Error at weekly against シンプルで疲れないタスク管理アプリ　スマートフセン's every 3 months. シンプルで疲れないタスク管理アプリ　スマートフセン's advantage is iOS requirement (13.0 vs 15.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. シンプルで疲れないタスク管理アプリ　スマートフセン sells 1 one-off in-app purchase and Trial&Error sells 2 in-app purchases, starting at $0.49 per month. Whichever you choose, the download price is not the number that matters.

シンプルで疲れないタスク管理アプリ　スマートフセン ships an update every 3 months, Trial&Error weekly. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | シンプルで疲れないタスク管理アプリ　スマートフセン | Trial&Error |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/id1461449206/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Weekly** |
| Size | 37 MB | 17 MB |
| Requires iOS | **13.0** | 15.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [NAOYA SHIRATORI](https://appshunter.io/developer/555048125) | [Naruhito Ozawa](https://appshunter.io/developer/1166703594) |

## What reviewers say

### シンプルで疲れないタスク管理アプリ　スマートフセン

[App page](https://appshunter.io/ios/app/id1461449206)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告削除 | $2.99 | one-time |


### Trial&Error

[App page](https://appshunter.io/ios/app/trial-and-error/id1612021152)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly fee | $0.49 | per month |
| PremiumPlan(onetime-purchase) | $2.99 | one-time |


## Frequently asked questions

### Is シンプルで疲れないタスク管理アプリ　スマートフセン free?

シンプルで疲れないタスク管理アプリ　スマートフセン is free to download, with in-app purchases available.

### Is Trial&Error free?

Trial&Error is free to download, with in-app purchases available.

### Do シンプルで疲れないタスク管理アプリ　スマートフセン or Trial&Error have ads?

Both シンプルで疲れないタスク管理アプリ　スマートフセン and Trial&Error show ads.

### Which is updated more often, シンプルで疲れないタスク管理アプリ　スマートフセン or Trial&Error?

シンプルで疲れないタスク管理アプリ　スマートフセン ships an update every 3 months, and Trial&Error weekly. Most recently, シンプルで疲れないタスク管理アプリ　スマートフセン was updated on October 24, 2026 and Trial&Error on October 27, 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.*