# 七颗牙学堂HD vs 好牙医教育

The clearest difference is device support: 好牙医教育 at 3 against 七颗牙学堂HD's 1. On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. 七颗牙学堂HD sells 8 one-off in-app purchases and 好牙医教育 sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | 七颗牙学堂HD | 好牙医教育 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | — |
| Size | 54 MB | 94 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [春辉 刘](https://appshunter.io/developer/1459975616) | [文丹 潘](https://appshunter.io/developer/1840174587) |

## What reviewers say

### 七颗牙学堂HD

[App page](https://appshunter.io/ios/app/hd/id6443649334)

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 小七币 | $0.99 | one-time |
| 小七币 | $4.99 | one-time |
| 小七币 | $7.99 | one-time |
| 小七币 | $15.99 | one-time |
| 小七币 | $17.99 | one-time |
| 小七币 | $74.99 | one-time |
| 小七币 | $149.99 | one-time |
| 小七币 | $449.99 | one-time |


### 好牙医教育

[App page](https://appshunter.io/ios/app/id6754354161)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 8学币 | $0.99 | one-time |
| 28学币 | $3.99 | one-time |
| 68学币 | $9.99 | one-time |
| 98学币 | $14.99 | one-time |
| 298学币 | $39.99 | one-time |
| 598学币 | $89.99 | one-time |


## Frequently asked questions

### Is 七颗牙学堂HD free?

七颗牙学堂HD is free to download, with in-app purchases available.

### Is 好牙医教育 free?

好牙医教育 is free to download, with in-app purchases available.

### Do 七颗牙学堂HD or 好牙医教育 have ads?

Neither 七颗牙学堂HD nor 好牙医教育 shows ads.

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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.*