# 恒久牙医助手 vs 齿科视界

The clearest difference is in-app purchases: 恒久牙医助手 at none against 齿科视界's 7. 齿科视界's advantage is update cadence (fortnightly vs monthly). 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. 恒久牙医助手 asks for nothing beyond the download.

恒久牙医助手 ships an update monthly, 齿科视界 fortnightly. The most recent releases landed on October 24, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | 恒久牙医助手 | 齿科视界 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Size | 31 MB | 81 MB |
| Requires iOS | **12.0** | 12.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [衡 张](https://appshunter.io/developer/1076236115) | [Infinity Dental Solutions Co.,Ltd.](https://appshunter.io/developer/1633979368) |

## What reviewers say

### 恒久牙医助手

[App page](https://appshunter.io/ios/app/id1175692080)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is 恒久牙医助手 free?

恒久牙医助手 is free to download, with no in-app purchases.

### Is 齿科视界 free?

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

### Do 恒久牙医助手 or 齿科视界 have ads?

Neither 恒久牙医助手 nor 齿科视界 shows ads.

### Which is updated more often, 恒久牙医助手 or 齿科视界?

恒久牙医助手 ships an update monthly, and 齿科视界 fortnightly. Most recently, 恒久牙医助手 was updated on October 24, 2026 and 齿科视界 on October 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*
