# 齿科视界 vs 彗星正畸学会

The clearest difference is in-app purchases: 彗星正畸学会 at none against 齿科视界's 7. 齿科视界's advantage is update cadence (fortnightly vs every 7 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 齿科视界 sells 7 one-off in-app purchases. 彗星正畸学会 asks for nothing beyond the download.

齿科视界 ships an update fortnightly, 彗星正畸学会 every 7 months. The most recent releases landed on October 3, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 齿科视界 | 彗星正畸学会 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 7 months |
| Size | 81 MB | 42 MB |
| Requires iOS | **12.4** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Infinity Dental Solutions Co.,Ltd.](https://appshunter.io/developer/1633979368) | [贵州永恒彗星教育咨询有限公司](https://appshunter.io/developer/1830963885) |

## What reviewers say

### 齿科视界

[App page](https://appshunter.io/ios/app/id1633979366)

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 获取VIP权益 | $24.99 | one-time |
| 普通vip权益 | $79.99 | one-time |
| 获取一年普通VIP权益 | $89.99 | one-time |
| 获取机构VIP一年的权益 | $149.99 | one-time |
| 机构vip权益 | $149.99 | one-time |
| 获取超级VIP权益 | $199.99 | one-time |
| 超级vip权益 | $199.99 | one-time |


### 彗星正畸学会

[App page](https://appshunter.io/ios/app/id6749532687)

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

**In-app purchases:** none


## Frequently asked questions

### Is 齿科视界 free?

齿科视界 is free to download, with in-app purchases available.

### Is 彗星正畸学会 free?

彗星正畸学会 is free to download, with no in-app purchases.

### Do 齿科视界 or 彗星正畸学会 have ads?

Neither 齿科视界 nor 彗星正畸学会 shows ads.

### Which is updated more often, 齿科视界 or 彗星正畸学会?

齿科视界 ships an update fortnightly, and 彗星正畸学会 every 7 months. Most recently, 齿科视界 was updated on October 3, 2026 and 彗星正畸学会 on October 28, 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.*