# BNHGF vs PrepLicense

The clearest difference is in-app purchases: BNHGF at none against PrepLicense's 3. BNHGF also leads on iOS requirement (8.0 vs 15.0). PrepLicense's advantage is update cadence (every 3 weeks vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. PrepLicense sells 3 in-app purchases, starting at $11.99 per month. BNHGF asks for nothing beyond the download.

BNHGF ships an update every 3 months, PrepLicense every 3 weeks. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | BNHGF | PrepLicense |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 19 MB | 60 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hong Kong Metropolitan University](https://appshunter.io/developer/432474107) | [Chris Tang](https://appshunter.io/developer/1892232824) |

## What reviewers say

### BNHGF

[App page](https://appshunter.io/ios/app/bnhgf/id645421760)

**Features:** macOS Compatibility

**In-app purchases:** none


### PrepLicense

[App page](https://appshunter.io/ios/app/preplicense-hk-mpf/id6767170713)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PrepHK Premium Monthly | $11.99 | per month |
| PrepHK Premium Yearly | $59.99 | per year |
| PrepHK Premium Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is BNHGF free?

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

### Is PrepLicense free?

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

### Do BNHGF or PrepLicense have ads?

Neither BNHGF nor PrepLicense shows ads.

### Which is updated more often, BNHGF or PrepLicense?

BNHGF ships an update every 3 months, and PrepLicense every 3 weeks. Most recently, BNHGF was updated on October 26, 2026 and PrepLicense on October 25, 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.*