# CCF Trainer vs 心電図ドリル

The clearest difference is in-app purchases: 心電図ドリル at none against CCF Trainer's 1. CCF Trainer's advantage is update cadence (every 4 days vs monthly) and iOS requirement (14.0.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. CCF Trainer sells 1 in-app purchase, starting at $2.99 per month. 心電図ドリル asks for nothing beyond the download.

CCF Trainer ships an update every 4 days, 心電図ドリル monthly. The most recent releases landed on October 2, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | CCF Trainer | 心電図ドリル |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Monthly |
| Size | 38 MB | 5 MB |
| Requires iOS | **14.0.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [BLISS RAY](https://appshunter.io/developer/1882947915) | [RAINBOW TREE LLC](https://appshunter.io/developer/1619997282) |

## What reviewers say

### CCF Trainer

[App page](https://appshunter.io/ios/app/ccf-trainer-ems-and-cpr/id6760171609)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly Plan | $2.99 | per month |


### 心電図ドリル

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

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

**In-app purchases:** none


## Frequently asked questions

### Is CCF Trainer free?

CCF Trainer 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 no in-app purchases.

### Do CCF Trainer or 心電図ドリル have ads?

Neither CCF Trainer nor 心電図ドリル shows ads.

### Which is updated more often, CCF Trainer or 心電図ドリル?

CCF Trainer ships an update every 4 days, and 心電図ドリル monthly. Most recently, CCF Trainer was updated on October 2, 2026 and 心電図ドリル on October 19, 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.*