# イヤホンアラーム目覚まし　電車・オフィス昼寝の寝過ごし防止 vs Nenne

The clearest difference is in-app purchases: イヤホンアラーム目覚まし　電車・オフィス昼寝の寝過ごし防止 at none against Nenne's 3. Nenne's advantage is update cadence (every 8 days vs every 4 weeks) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Nenne sells 3 in-app purchases, starting at $2.99 per month. イヤホンアラーム目覚まし　電車・オフィス昼寝の寝過ごし防止 asks for nothing beyond the download.

イヤホンアラーム目覚まし　電車・オフィス昼寝の寝過ごし防止 ships an update every 4 weeks, Nenne every 8 days. The most recent releases landed on November 5, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | イヤホンアラーム目覚まし　電車・オフィス昼寝の寝過ごし防止 | Nenne |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/nenne/id6778731628/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 90.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 weeks | **Every 8 days** |
| Monetization | — | Free with in-app purchases |
| Size | 44 MB | 95 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tokiharu Kitaoka](https://appshunter.io/developer/1880717017) | [JAEMIN LEE](https://appshunter.io/developer/1787329213) |

## What reviewers say

### イヤホンアラーム目覚まし　電車・オフィス昼寝の寝過ごし防止

[App page](https://appshunter.io/ios/app/id6759798112)

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

**In-app purchases:** none


### Nenne

[App page](https://appshunter.io/ios/app/nenne/id6778731628)

This utility app provides a nap timer and alarm system that plays exclusively through earphones, ensuring no sound leaks to disturb others. It offers customizable alarm settings, gradual volume increases, and home screen widgets for convenient time management.

**Highlights:** Earphone-only alarms, Nap timer (10s-180m), Wake-up alarms, Gradually louder alarms, Home screen widgets, Customizable alarm sounds

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nenne+ Monthly | $2.99 | per month |
| Nenne+ Yearly | $14.99 | per year |
| Nenne+ Lifetime | $44.99 | one-time |


## Frequently asked questions

### Is イヤホンアラーム目覚まし　電車・オフィス昼寝の寝過ごし防止 free?

イヤホンアラーム目覚まし　電車・オフィス昼寝の寝過ごし防止 is free to download, with no in-app purchases.

### Is Nenne free?

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

### Do イヤホンアラーム目覚まし　電車・オフィス昼寝の寝過ごし防止 or Nenne have ads?

Both イヤホンアラーム目覚まし　電車・オフィス昼寝の寝過ごし防止 and Nenne show ads.

### Which is updated more often, イヤホンアラーム目覚まし　電車・オフィス昼寝の寝過ごし防止 or Nenne?

イヤホンアラーム目覚まし　電車・オフィス昼寝の寝過ごし防止 ships an update every 4 weeks, and Nenne every 8 days. Most recently, イヤホンアラーム目覚まし　電車・オフィス昼寝の寝過ごし防止 was updated on November 5, 2026 and Nenne on November 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.*