HKSOS vs SynCab 星群的士 (HK Gov Fleet)
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HKSOS
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.
- Direct link to 999 Call Centre
- Generates unique SOS signal
- Provides precise location data
- Expedites rescue response
- Designed for outdoor safety
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What is HKSOS? HKSOS is the most important outdoor safety app designed to save lives and speed up the response time of rescue services in life-critical missions. It is directly linked to the 999 Call Centre and becomes your lifeline in an emergency. HKSOS generates unique SOS signal that can be picked up by emergency units even in extreme conditions. When SOS is triggered via the app, the 999 Call Centre will be alerted and provided with your precise location information so that emergency teams can swiftly reach you for assistance.
SynCab 星群的士 (HK Gov Fleet)
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"[About SynCab] SynCab is currently the largest managed taxi fleet in Hong Kong. Aside from providing convenient point to point transport services, we also offer customized journey arrangement. Currently, there are three types of SynCab taxis – the Prime (Luxury 6 SeatersTaxi), the e-MPT (Luxury 6 Seater Multi-Purpose Taxi) and the MPT (Multi-Purpose Taxi)."
Screenshots
Verdict
The clearest difference is update cadence: SynCab 星群的士 (HK Gov Fleet) at every 10 days against HKSOS's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
HKSOS ships an update every 3 weeks, SynCab 星群的士 (HK Gov Fleet) every 10 days. The most recent releases landed on October 12, 2026 and October 27, 2026 respectively.
| Parameter | HKSOS | SynCab 星群的士 (HK Gov Fleet) |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 weeks | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 14.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 192 MB | 79 MB |
| Age rating | 4+ | 4+ |
| Developer | Hong Kong Police Force | 忠誠的士管理有限公司 |
In-app purchases
HKSOS
No in-app purchases
SynCab 星群的士 (HK Gov Fleet)
No in-app purchases









