# VAA9 vs BMD数字证书

The clearest difference is update cadence: VAA9 at every 6 weeks against BMD数字证书's every 4 months. BMD数字证书's advantage is iOS requirement (8.0 vs 12.2). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

VAA9 ships an update every 6 weeks, BMD数字证书 every 4 months. The most recent releases landed on September 17, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | VAA9 | BMD数字证书 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Monetization | — | Free |
| Size | 62 MB | 12 MB |
| Requires iOS | 12.2 | **8.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [国强 孙](https://appshunter.io/developer/1051177733) | [Shanghai F-road Commerce Service Co.,Ltd](https://appshunter.io/developer/561883025) |

## What reviewers say

### VAA9

[App page](https://appshunter.io/ios/app/vaa9/id1228471182)

**Features:** macOS Compatibility

**In-app purchases:** none


### BMD数字证书

[App page](https://appshunter.io/ios/app/bmd/id1619735633)

Manage your thin film hardware digital certificates with this tool. It offers efficient, convenient, and professional management for signing, password changes, and COS operations.

**Highlights:** Hardware digital certificate management, Signing management, Password management, COS management, Efficient and convenient tool, Simple operation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is VAA9 free?

VAA9 is free to download, with no in-app purchases.

### Is BMD数字证书 free?

BMD数字证书 is free to download, with no in-app purchases.

### Do VAA9 or BMD数字证书 have ads?

Neither VAA9 nor BMD数字证书 shows ads.

### Which is updated more often, VAA9 or BMD数字证书?

VAA9 ships an update every 6 weeks, and BMD数字证书 every 4 months. Most recently, VAA9 was updated on September 17, 2026 and BMD数字证书 on September 14, 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.*