# HKPF 175A vs Bubblia

The clearest difference is in-app purchases: HKPF 175A at none against Bubblia's 13. HKPF 175A also leads on iOS requirement (9.0 vs 13.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Bubblia sells 10 one-off in-app purchases. HKPF 175A asks for nothing beyond the download.

HKPF 175A ships an update every 5 days, Bubblia every 4 days. The most recent releases landed on October 26, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | HKPF 175A | Bubblia |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (12 ratings)](https://appshunter.io/ios/app/bubblia/id6768971993/reviews)** |
| Number of ratings | — | **12** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 400 MB | 178 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Hong Kong Police College](https://appshunter.io/developer/1441621509) | [Bubblia PTE. LTD.](https://appshunter.io/developer/1896619922) |

## What reviewers say

### HKPF 175A

[App page](https://appshunter.io/ios/app/hkpf-175a/id1458939713)

**Features:** macOS Compatibility

**In-app purchases:** none


### Bubblia

[App page](https://appshunter.io/ios/app/bubblia/id6768971993)

Connect with others through voice in a safe, pressure-free environment. Enjoy themed chat rooms, one-on-one voice calls, and curated radio stations for companionship and shared interests. Discover compatible voices with a unique matching system.

**Highlights:** Voice chat rooms, One-on-one voice calls, Themed radio stations, Voice matching system, Virtual gifts and effects, No face reveal required

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 輕量泡泡儲值 | $1.09 | one-time |
| 輕量泡泡儲值 | $1.29 | one-time |
| 新人專屬首儲禮包 | $5.49 | one-time |
| 標準泡泡儲值 | $5.49 | one-time |
| 標準泡泡儲值 | $5.99 | one-time |
| 首購禮包 | $5.99 | one-time |
| 尊享泡泡儲值 | $10.49 | one-time |
| 尊享泡泡儲值 | $11.90 | one-time |
| 巔峰典藏泡泡充值 | $31.49 | one-time |
| 巔峰典藏泡泡充值 | $35.49 | one-time |


## Frequently asked questions

### Is HKPF 175A free?

HKPF 175A is free to download, with no in-app purchases.

### Is Bubblia free?

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

### Do HKPF 175A or Bubblia have ads?

Neither HKPF 175A nor Bubblia shows ads.

### Which is updated more often, HKPF 175A or Bubblia?

HKPF 175A ships an update every 5 days, and Bubblia every 4 days. Most recently, HKPF 175A was updated on October 26, 2026 and Bubblia on October 31, 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.*