# HCA 憑證申請 vs DentalExam2 Pro

The clearest difference is in-app purchases: HCA 憑證申請 at none against DentalExam2 Pro's 2. HCA 憑證申請 also leads on iOS requirement (11.0 vs 17.0). DentalExam2 Pro's advantage is update cadence (every 3 weeks vs every 10 months). On price, ads and device support there is nothing between them.

Both are free to download. DentalExam2 Pro sells 2 in-app purchases, starting at $4.99 per month. HCA 憑證申請 asks for nothing beyond the download.

HCA 憑證申請 ships an update every 10 months, DentalExam2 Pro every 3 weeks. Both last shipped on September 30, 2026.

## The numbers

| Metric | HCA 憑證申請 | DentalExam2 Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 weeks** |
| Size | 3 MB | 12 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [National Taiwan University Hospital](https://appshunter.io/developer/1259628044) | [Ming-Yu Hsieh](https://appshunter.io/developer/1877335792) |

## What reviewers say

### HCA 憑證申請

[App page](https://appshunter.io/ios/app/hca/id6443841345)

**Features:** macOS Compatibility

**In-app purchases:** none


### DentalExam2 Pro

[App page](https://appshunter.io/ios/app/dentalexam2-pro/id6761591915)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium 月訂閱 | $4.99 | per month |
| Premium 季訂閱 | $12.99 | per 3 months |


## Frequently asked questions

### Is HCA 憑證申請 free?

HCA 憑證申請 is free to download, with no in-app purchases.

### Is DentalExam2 Pro free?

DentalExam2 Pro is free to download, with in-app purchases available.

### Do HCA 憑證申請 or DentalExam2 Pro have ads?

Neither HCA 憑證申請 nor DentalExam2 Pro shows ads.

### Which is updated more often, HCA 憑證申請 or DentalExam2 Pro?

HCA 憑證申請 ships an update every 10 months, and DentalExam2 Pro every 3 weeks. Most recently, HCA 憑證申請 was updated on September 30, 2026 and DentalExam2 Pro on September 30, 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.*