# 心電図ドリル vs 赤シート｜あの赤下敷きをスマホで

The clearest difference is ads: 心電図ドリル at none against 赤シート｜あの赤下敷きをスマホで's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. 心電図ドリル sells 1 one-off in-app purchase and 赤シート｜あの赤下敷きをスマホで sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | 心電図ドリル | 赤シート｜あの赤下敷きをスマホで |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | — |
| Size | 5 MB | 11 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [RAINBOW TREE LLC](https://appshunter.io/developer/1619997282) | [JiaYuan Yu](https://appshunter.io/developer/6800308304) |

## What reviewers say

### 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 |


### 赤シート｜あの赤下敷きをスマホで

[App page](https://appshunter.io/ios/app/id6820861336)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム版 初回購入半額キャンペン | $0.99 | one-time |
| プレミアム版 | $2.99 | one-time |


## Frequently asked questions

### Is 心電図ドリル free?

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

### Is 赤シート｜あの赤下敷きをスマホで free?

赤シート｜あの赤下敷きをスマホで is free to download, with in-app purchases available.

### Do 心電図ドリル or 赤シート｜あの赤下敷きをスマホで have ads?

赤シート｜あの赤下敷きをスマホで shows ads; 心電図ドリル does not.

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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.*