# QuietAlert vs 家系図ラボ Undoで戻せる家系図アプリ

The clearest difference is update cadence: 家系図ラボ Undoで戻せる家系図アプリ at weekly against QuietAlert's every 12 months. 家系図ラボ Undoで戻せる家系図アプリ also leads on iOS requirement (13.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. QuietAlert sells 3 one-off in-app purchases and 家系図ラボ Undoで戻せる家系図アプリ sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

QuietAlert ships an update every 12 months, 家系図ラボ Undoで戻せる家系図アプリ weekly. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | QuietAlert | 家系図ラボ Undoで戻せる家系図アプリ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (16 ratings)](https://appshunter.io/ios/app/quietalert/id1030822316/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 43.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 18 MB | 40 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yasushi Sakai](https://appshunter.io/developer/454423149) | [MASAKI CHIBA](https://appshunter.io/developer/1890488277) |

## What reviewers say

### QuietAlert

[App page](https://appshunter.io/ios/app/quietalert/id1030822316)

This utility app notifies you of timer completion using LED flashes and vibration, ideal for quiet environments like libraries or trains. It offers customizable vibration frequencies and optional sound alerts, even playing through headphones.

**Highlights:** LED flash and vibration alerts, Customizable vibration frequency, Background operation, Optional beep on completion, Headphone-only sound output, Custom alarm sound support, Widget alarm stop

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sound Option | $1.99 | one-time |
| Alarm Option | $1.99 | one-time |
| Widget Option | $1.99 | one-time |


### 家系図ラボ Undoで戻せる家系図アプリ

[App page](https://appshunter.io/ios/app/undo/id6797544764)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 書き出し・PDF出力（買い切り） | $3.99 | one-time |


## Frequently asked questions

### Is QuietAlert free?

QuietAlert is free to download, with in-app purchases available.

### Is 家系図ラボ Undoで戻せる家系図アプリ free?

家系図ラボ Undoで戻せる家系図アプリ is free to download, with in-app purchases available.

### Do QuietAlert or 家系図ラボ Undoで戻せる家系図アプリ have ads?

Neither QuietAlert nor 家系図ラボ Undoで戻せる家系図アプリ shows ads.

### Which is updated more often, QuietAlert or 家系図ラボ Undoで戻せる家系図アプリ?

QuietAlert ships an update every 12 months, and 家系図ラボ Undoで戻せる家系図アプリ weekly. Most recently, QuietAlert was updated on October 7, 2026 and 家系図ラボ Undoで戻せる家系図アプリ on October 10, 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.*