# CHIBUNE vs 陣痛タイマー by ぴよログ

The clearest difference is review sentiment: 陣痛タイマー by ぴよログ at 84% against CHIBUNE's 50%. 陣痛タイマー by ぴよログ also leads on update cadence (every 3 weeks vs every 17 months). CHIBUNE's advantage is monetization model (free vs ad-supported) and iOS requirement (11.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CHIBUNE ships an update every 17 months, 陣痛タイマー by ぴよログ every 3 weeks. The most recent releases landed on September 21, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | CHIBUNE | 陣痛タイマー by ぴよログ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | **84.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 3 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 36 MB | 21 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Beyondjapan](https://appshunter.io/developer/665797546) | [PiyoLog Inc.](https://appshunter.io/developer/440099912) |

## What reviewers say

### CHIBUNE

[App page](https://appshunter.io/ios/app/chibune/id1285376960)

Access pregnancy and childbirth information anytime, anywhere. Easily track your pregnancy week by week by entering your due date. This app provides essential knowledge for expectant parents.

**Highlights:** Pregnancy and childbirth information, Access information anytime, anywhere, Easy week-by-week tracking, Enter due date for management, Free to download and use

**Features:** macOS Compatibility

**In-app purchases:** none


### 陣痛タイマー by ぴよログ

[App page](https://appshunter.io/ios/app/by/id1486291787)

This app helps expectant mothers easily track labor contractions by simply tapping buttons. It records duration and intervals, allowing for seamless sharing of real-time updates with partners and family. Prepare for childbirth with this user-friendly tool.

**Highlights:** Contraction timer and interval counter, One-tap recording of contractions, Real-time sharing with family, Push notifications for contraction start, History log with editing capabilities, Easy-to-understand interface

**In-app purchases:** none


## Frequently asked questions

### Is CHIBUNE free?

CHIBUNE is free to download, with no in-app purchases.

### Is 陣痛タイマー by ぴよログ free?

陣痛タイマー by ぴよログ is free to download, with no in-app purchases.

### Do CHIBUNE or 陣痛タイマー by ぴよログ have ads?

Neither CHIBUNE nor 陣痛タイマー by ぴよログ shows ads.

### Which is updated more often, CHIBUNE or 陣痛タイマー by ぴよログ?

CHIBUNE ships an update every 17 months, and 陣痛タイマー by ぴよログ every 3 weeks. Most recently, CHIBUNE was updated on September 21, 2026 and 陣痛タイマー by ぴよログ on October 15, 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.*