# 郡山環境家計簿 vs イヤホンタイマー＆アラーム｜EarTimer

The clearest difference is in-app purchases: 郡山環境家計簿 at none against イヤホンタイマー＆アラーム｜EarTimer's 2. 郡山環境家計簿 also leads on ads (none vs shown) and iOS requirement (11.0 vs 15.1). イヤホンタイマー＆アラーム｜EarTimer's advantage is update cadence (fortnightly vs every 76 months). On price and device support there is nothing between them.

Both are free to download. イヤホンタイマー＆アラーム｜EarTimer sells 2 in-app purchases, starting at $1.99 per month. 郡山環境家計簿 asks for nothing beyond the download.

郡山環境家計簿 ships an update every 76 months, イヤホンタイマー＆アラーム｜EarTimer fortnightly. The most recent releases landed on October 7, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | 郡山環境家計簿 | イヤホンタイマー＆アラーム｜EarTimer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 76 months | **Fortnightly** |
| Size | 14 MB | 57 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hinodeya Institute for Ecolife Co.](https://appshunter.io/developer/558454967) | [Kiyoka Iramina](https://appshunter.io/developer/1482164950) |

## What reviewers say

### 郡山環境家計簿

[App page](https://appshunter.io/ios/app/id1491143061)

**Features:** macOS Compatibility

**In-app purchases:** none


### イヤホンタイマー＆アラーム｜EarTimer

[App page](https://appshunter.io/ios/app/eartimer/id6760194400)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム（月額） | $1.99 | per month |
| プレミアム（買い切り） | $19.99 | one-time |


## Frequently asked questions

### Is 郡山環境家計簿 free?

郡山環境家計簿 is free to download, with no in-app purchases.

### Is イヤホンタイマー＆アラーム｜EarTimer free?

イヤホンタイマー＆アラーム｜EarTimer is free to download, with in-app purchases available.

### Do 郡山環境家計簿 or イヤホンタイマー＆アラーム｜EarTimer have ads?

イヤホンタイマー＆アラーム｜EarTimer shows ads; 郡山環境家計簿 does not.

### Which is updated more often, 郡山環境家計簿 or イヤホンタイマー＆アラーム｜EarTimer?

郡山環境家計簿 ships an update every 76 months, and イヤホンタイマー＆アラーム｜EarTimer fortnightly. Most recently, 郡山環境家計簿 was updated on October 7, 2026 and イヤホンタイマー＆アラーム｜EarTimer on October 5, 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.*