# 陣痛・胎動カウンター/陣痛をカウントできるアプリ vs SonaMemo

The clearest difference is update cadence: SonaMemo at every 5 days against 陣痛・胎動カウンター/陣痛をカウントできるアプリ's every 5 months. 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.

陣痛・胎動カウンター/陣痛をカウントできるアプリ ships an update every 5 months, SonaMemo every 5 days. The most recent releases landed on November 11, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 陣痛・胎動カウンター/陣痛をカウントできるアプリ | SonaMemo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (9 ratings)](https://appshunter.io/ios/app/id1116662998/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 82.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 28 MB | 6 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [EVER SENSE, INC.](https://appshunter.io/developer/765195014) | [kiyotaka takanishi](https://appshunter.io/developer/6777109286) |

## What reviewers say

### 陣痛・胎動カウンター/陣痛をカウントできるアプリ

[App page](https://appshunter.io/ios/app/id1116662998)

This app helps expectant mothers track contractions and fetal movements. It records contraction intervals, allows multiple emergency contacts, and provides daily messages from 34 weeks. All features are completely free to use.

**Highlights:** Contraction interval measurement, Fetal movement counting, Multiple emergency contact settings, Daily pregnancy messages, Clear display of labor information

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

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and easy to use
- 🚀 Quick and efficient counting
- ✅ Clear and understandable interface
- 📱 Convenient for on-the-go use
- 💖 Encouraging messages

**What reviewers complain about**

- 👆 Buttons hard to reach
- 📉 History requires extra steps
- ⏳ App resets during counting
- 📝 Missing pain intensity recording
- 📅 Cannot input past due dates

**Reported bugs**

- App resets during counting
- Seconds display is sometimes inaccurate
- Cannot delete single incorrect entries

**Requested features**

- Add pain intensity level recording
- Allow input of past due dates
- Enable printing or PDF export of records
- Display interval records on the main screen
- Allow deletion of single incorrect entries


### SonaMemo

[App page](https://appshunter.io/ios/app/sonamemo/id6796889346)

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

**In-app purchases:** none


## Frequently asked questions

### Is 陣痛・胎動カウンター/陣痛をカウントできるアプリ free?

陣痛・胎動カウンター/陣痛をカウントできるアプリ is free to download, with no in-app purchases.

### Is SonaMemo free?

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

### Do 陣痛・胎動カウンター/陣痛をカウントできるアプリ or SonaMemo have ads?

Neither 陣痛・胎動カウンター/陣痛をカウントできるアプリ nor SonaMemo shows ads.

### Which is updated more often, 陣痛・胎動カウンター/陣痛をカウントできるアプリ or SonaMemo?

陣痛・胎動カウンター/陣痛をカウントできるアプリ ships an update every 5 months, and SonaMemo every 5 days. Most recently, 陣痛・胎動カウンター/陣痛をカウントできるアプリ was updated on November 11, 2026 and SonaMemo on November 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*