# HKeMeter vs HKSOS

The clearest difference is rating: HKSOS at 5.0 against HKeMeter's 4.5. HKSOS also leads on update cadence (every 3 weeks vs every 4 months) and iOS requirement (14.0 vs 16.0). HKeMeter's advantage is ratings volume (115 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

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

HKSOS holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: HKeMeter has 115 ratings behind it against 2, so its average is the more settled of the two.

HKeMeter ships an update every 4 months, HKSOS every 3 weeks. The most recent releases landed on September 19, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | HKeMeter | HKSOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (115 ratings)](https://appshunter.io/ios/app/hkemeter/id1508101096/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/hksos/id1671480993/reviews)** |
| Number of ratings | **115** | 2 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 142 MB | 192 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Transport Department, HKSAR Government](https://appshunter.io/developer/426108166) | [Hong Kong Police Force](https://appshunter.io/developer/535359322) |

## What reviewers say

### HKeMeter

[App page](https://appshunter.io/ios/app/hkemeter/id1508101096)

Find available metered parking spaces in real-time and pay your parking fees remotely. Receive notifications before your parking time expires to avoid penalties.

**Highlights:** Real-time parking space availability, Remote parking fee payment, Multiple electronic payment options, Parking time expiry notifications

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### HKSOS

[App page](https://appshunter.io/ios/app/hksos/id1671480993)

This app provides a direct link to emergency services, generating a unique SOS signal with precise location data. It aims to expedite rescue response times in critical outdoor situations.

**Highlights:** Direct link to 999 Call Centre, Generates unique SOS signal, Provides precise location data, Expedites rescue response, Designed for outdoor safety

**In-app purchases:** none


## Frequently asked questions

### Is HKeMeter free?

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

### Is HKSOS free?

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

### Which has better reviews, HKeMeter or HKSOS?

HKSOS is rated higher. HKeMeter averages 4.5 out of 5 from 115 ratings, while HKSOS averages 5.0 from 2 ratings.

### Do HKeMeter or HKSOS have ads?

Neither HKeMeter nor HKSOS shows ads.

### Which is updated more often, HKeMeter or HKSOS?

HKeMeter ships an update every 4 months, and HKSOS every 3 weeks. Most recently, HKeMeter was updated on September 19, 2026 and HKSOS on September 9, 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.*