# 心電図マスターアプリ 体験版 vs EMS Field

The clearest difference is in-app purchases: 心電図マスターアプリ 体験版 at none against EMS Field's 1. EMS Field's advantage is update cadence (every 5 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. EMS Field sells 1 one-off in-app purchase. 心電図マスターアプリ 体験版 asks for nothing beyond the download.

心電図マスターアプリ 体験版 ships an update every 2 months, EMS Field every 5 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 心電図マスターアプリ 体験版 | EMS Field |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Size | 60 MB | 37 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [KINDAI SHOBOSHA, CO., LTD.](https://appshunter.io/developer/1809923783) | [Hatsumi Takahashi](https://appshunter.io/developer/6776581577) |

## What reviewers say

### 心電図マスターアプリ 体験版

[App page](https://appshunter.io/ios/app/id6745313442)

**In-app purchases:** none


### EMS Field

[App page](https://appshunter.io/ios/app/ems-field/id6784478787)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 全文アクセス | $0.99 | one-time |


## Frequently asked questions

### Is 心電図マスターアプリ 体験版 free?

心電図マスターアプリ 体験版 is free to download, with no in-app purchases.

### Is EMS Field free?

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

### Do 心電図マスターアプリ 体験版 or EMS Field have ads?

Neither 心電図マスターアプリ 体験版 nor EMS Field shows ads.

### Which is updated more often, 心電図マスターアプリ 体験版 or EMS Field?

心電図マスターアプリ 体験版 ships an update every 2 months, and EMS Field every 5 days. Most recently, 心電図マスターアプリ 体験版 was updated on October 28, 2026 and EMS Field on October 31, 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.*