# ThinkBoard Contents Creator LE vs 心電図ドリル

The clearest difference is in-app purchases: ThinkBoard Contents Creator LE at none against 心電図ドリル's 1. ThinkBoard Contents Creator LE also leads on iOS requirement (12.3 vs 17.0). 心電図ドリル's advantage is update cadence (monthly vs every 16 months). On price, ads and device support there is nothing between them.

Both are free to download. 心電図ドリル sells 1 one-off in-app purchase. ThinkBoard Contents Creator LE asks for nothing beyond the download.

ThinkBoard Contents Creator LE ships an update every 16 months, 心電図ドリル monthly. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ThinkBoard Contents Creator LE | 心電図ドリル |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 16 months | **Monthly** |
| Size | 5 MB | 5 MB |
| Requires iOS | **12.3** | 17.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [ゼッタリンクス](https://appshunter.io/developer/924358048) | [RAINBOW TREE LLC](https://appshunter.io/developer/1619997282) |

## What reviewers say

### ThinkBoard Contents Creator LE

[App page](https://appshunter.io/ios/app/thinkboard-contents-creator-le/id1561127966)

**Features:** Vision Pro support

**In-app purchases:** none


### 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 ThinkBoard Contents Creator LE free?

ThinkBoard Contents Creator LE is free to download, with no in-app purchases.

### Is 心電図ドリル free?

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

### Do ThinkBoard Contents Creator LE or 心電図ドリル have ads?

Neither ThinkBoard Contents Creator LE nor 心電図ドリル shows ads.

### Which is updated more often, ThinkBoard Contents Creator LE or 心電図ドリル?

ThinkBoard Contents Creator LE ships an update every 16 months, and 心電図ドリル monthly. Most recently, ThinkBoard Contents Creator LE was updated on October 30, 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.*