# 撲水 Water refill map 2.0 vs PHK Key

The clearest difference is review sentiment: 撲水 Water refill map 2.0 at 92% against PHK Key's 0%. PHK Key's advantage is iOS requirement (9.0 vs 12.4). 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.

撲水 Water refill map 2.0 ships an update every 6 weeks, PHK Key monthly. The most recent releases landed on September 2, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | 撲水 Water refill map 2.0 | PHK Key |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/phk-key/id1331863191/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **92.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free | Free |
| Size | 35 MB | 2 MB |
| Requires iOS | 12.4 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hoi Yan Pang](https://appshunter.io/developer/1252258618) | [Phillip Securities (HK) Limited](https://appshunter.io/developer/466984983) |

## What reviewers say

### 撲水 Water refill map 2.0

[App page](https://appshunter.io/ios/app/water-refill-map-20/id1252258619)

Find free water refill stations across Hong Kong to easily top up your water bottle. This app helps you reduce plastic waste by locating fountains, viewing their temperature, and even reporting new ones.

**Highlights:** Water fountain locations, Water temperature information, Pathfinding to fountains, In-app reporting and updates, Share fountain information

**Features:** macOS Compatibility

**In-app purchases:** none


### PHK Key

[App page](https://appshunter.io/ios/app/phk-key/id1331863191)

This security code generator provides two-factor authentication for online trading. Download it to your mobile device to enhance your account security.

**Highlights:** Two-factor login authentication, Online trading security, Mobile code generation, Enhanced security

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 撲水 Water refill map 2.0 free?

撲水 Water refill map 2.0 is free to download, with no in-app purchases.

### Is PHK Key free?

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

### Do 撲水 Water refill map 2.0 or PHK Key have ads?

Neither 撲水 Water refill map 2.0 nor PHK Key shows ads.

### Which is updated more often, 撲水 Water refill map 2.0 or PHK Key?

撲水 Water refill map 2.0 ships an update every 6 weeks, and PHK Key monthly. Most recently, 撲水 Water refill map 2.0 was updated on September 2, 2026 and PHK Key on September 18, 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.*