# 陣痛タイマー by ぴよログ vs 筋トレ記録

The clearest difference is in-app purchases: 陣痛タイマー by ぴよログ at none against 筋トレ記録's 1. 陣痛タイマー by ぴよログ also leads on ads (none vs shown) and iOS requirement (16.0 vs 18.5). On price, update cadence and device support there is nothing between them.

Both are free to download. 筋トレ記録 sells 1 in-app purchase, starting at $0.49 per month. 陣痛タイマー by ぴよログ asks for nothing beyond the download.

陣痛タイマー by ぴよログ ships an update every 3 weeks, 筋トレ記録 every 4 weeks. The most recent releases landed on October 15, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | 陣痛タイマー by ぴよログ | 筋トレ記録 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 84.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 4 weeks |
| Monetization | Ad-supported | — |
| Size | 21 MB | 14 MB |
| Requires iOS | **16.0** | 18.5 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [PiyoLog Inc.](https://appshunter.io/developer/440099912) | [keiryu matsumoto](https://appshunter.io/developer/1842495371) |

## What reviewers say

### 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


### 筋トレ記録

[App page](https://appshunter.io/ios/app/shapeshift/id6759309712)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ShapeShift Premium | $0.49 | per month |


## Frequently asked questions

### 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.

### Is 筋トレ記録 free?

筋トレ記録 is free to download, with in-app purchases available.

### Do 陣痛タイマー by ぴよログ or 筋トレ記録 have ads?

筋トレ記録 shows ads; 陣痛タイマー by ぴよログ does not.

### Which is updated more often, 陣痛タイマー by ぴよログ or 筋トレ記録?

陣痛タイマー by ぴよログ ships an update every 3 weeks, and 筋トレ記録 every 4 weeks. Most recently, 陣痛タイマー by ぴよログ was updated on October 15, 2026 and 筋トレ記録 on October 1, 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.*