# ER & Rapid Response Training vs 心電図ドリル

The clearest difference is ads: 心電図ドリル at none against ER & Rapid Response Training's shown. ER & Rapid Response Training's advantage is update cadence (every 9 days vs monthly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. ER & Rapid Response Training sells 3 one-off in-app purchases and 心電図ドリル sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ER & Rapid Response Training ships an update every 9 days, 心電図ドリル monthly. The most recent releases landed on November 9, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ER & Rapid Response Training | 心電図ドリル |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Monthly |
| Size | 437 MB | 5 MB |
| Requires iOS | **16.1** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Tsunehiro Takeuchi](https://appshunter.io/developer/1613720335) | [RAINBOW TREE LLC](https://appshunter.io/developer/1619997282) |

## What reviewers say

### ER & Rapid Response Training

[App page](https://appshunter.io/ios/app/er-and-rapid-response-training/id6759473570)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CVC Full Plan | $4.99 | one-time |
| Intubation Full Plan | $4.99 | one-time |
| PRO Membership | $9.99 | one-time |


### 心電図ドリル

[App page](https://appshunter.io/ios/app/12/id6801799404)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Shindenzu Pro | $9.99 | one-time |


## Frequently asked questions

### Is ER & Rapid Response Training free?

ER & Rapid Response Training is free to download, with in-app purchases available.

### Is 心電図ドリル free?

心電図ドリル is free to download, with in-app purchases available.

### Do ER & Rapid Response Training or 心電図ドリル have ads?

ER & Rapid Response Training shows ads; 心電図ドリル does not.

### Which is updated more often, ER & Rapid Response Training or 心電図ドリル?

ER & Rapid Response Training ships an update every 9 days, and 心電図ドリル monthly. Most recently, ER & Rapid Response Training was updated on November 9, 2026 and 心電図ドリル on October 25, 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.*