# BD vs HK新視野

The clearest difference is iOS requirement: BD at 13.0 against HK新視野's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

BD ships an update every 4 months, HK新視野 every 2 months. Both last shipped on October 19, 2026.

## The numbers

| Metric | BD | HK新視野 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 11 MB | 59 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [BD MEDIA MULTIMEDIA CO.,LTD.](https://appshunter.io/developer/1560300017) | [JIUNHAU LIN](https://appshunter.io/developer/1517220802) |

## What reviewers say

### BD

[App page](https://appshunter.io/ios/app/bd-p/id1560300015)

This application allows users to view encrypted audio and video files from a specific USB drive, facilitating learning and course consumption. It employs advanced encryption and anti-piracy measures to protect intellectual property.

**Highlights:** View encrypted audio/video files, Supports various file formats, Proprietary encryption algorithm, USB drive key authentication, Anti-screen recording technology, Prevents unauthorized sharing

**In-app purchases:** none


### HK新視野

[App page](https://appshunter.io/ios/app/hk/id6450001598)

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

**In-app purchases:** none


## Frequently asked questions

### Is BD free?

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

### Is HK新視野 free?

HK新視野 is free to download, with no in-app purchases.

### Do BD or HK新視野 have ads?

Neither BD nor HK新視野 shows ads.

### Which is updated more often, BD or HK新視野?

BD ships an update every 4 months, and HK新視野 every 2 months. Most recently, BD was updated on October 19, 2026 and HK新視野 on October 19, 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.*