HK Express vs Smart Traveller (ST)
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HK Express
Easily book flights and manage your travel plans with this redesigned mobile application. Discover deals, book to over 30 Asian destinations, and personalize your trip with extra services. Enjoy a seamless check-in process with e-boarding passes and self-service baggage drop at select airports.
- Discover flight deals and promotions
- Book flights to over 30 Asian destinations
- Personalize trips with extra services
- Easy check-in with e-boarding pass
- Self-service baggage drop
- Travel tips and inspiration
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The newly redesigned HK Express mobile app makes booking flights and managing your trips a breeze. Start your exciting journey in just a few simple steps: - Discover the latest flight deals and promotions - Book flights to over 30 destinations across Asia - Personalize your trip with Extra services like checked baggage, seat selection, meals, and more - Check-in with ease, get your e-boarding pass, and enjoy self-service baggage drop at selected airports. - Find travel tips to be inspired and enhance your journey. Download now!
Smart Traveller (ST)
Enhance your airport experience with a global rewards program. Earn rewards for using premium airport services like lounges, dining, and hotels. Travel smarter and unlock exclusive privileges worldwide.
- Global airport rewards program
- Earn rewards on premium services
- Access lounges, hotels, and dining
- Exclusive travel privileges
- Enhance airport experience
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Smart Traveller, our Global Airport Rewards Programme, gives every traveller a reason to reward themselves effortlessly at every interaction when on the go. Dedicated to help immerse and reward each time you enjoy premium airport services of Plaza Premium Group. Smart Traveller opens up a world of privileges to make travelling with us even better. From a well-needed rest in our premium lounges, to satisfying a dessert craving before boarding in one of our restaurants, or a nap between flights in our hotels, whether it is for business or pleasure, or on departure, transit or arrival at the airport, we reward you for travelling smart. Become a Smart Traveller today. Download and register the Smart Traveller mobile app to navigate and enhance your airport experience. Be a Smart Traveller. Travel Smart, Travel Better. Commited to make your travel experience better, the brands by Plaza Premium Group is a staple of international premium airport service experiences globally. The Group strives to make the airport experience exceptional for all travellers, going beyond expectations whether at departure, in transit or through arrivals. The Group comprises four core airport services, Airport Lounge, Airport Transit Hotel, Airport Meet & Greet and Airport Dining. Unlock your travelling experience with Plaza Premium Group as a Smart Traveller. Begin your discovery at over 50 Plaza Premium Lounge and Plaza Premium First brands across the globe, as well Root98 in Hong Kong and Canada, plus Flight Club in Malaysia.
Screenshots
Verdict
The clearest difference is rating: HK Express at 4.4 against Smart Traveller (ST)'s 2.4. HK Express also leads on ratings volume (1.8K vs 12) and monetization model (free vs ad-supported). On price, update cadence, ads and in-app purchases 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.
HK Express holds the better App Store score, 4.4 against 2.4. That said, the two scores are not equally well evidenced: HK Express has 1.8K ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 18% of HK Express's written reviews are positive against 10% of Smart Traveller (ST)'s.
HK Express ships an update every 3 weeks, Smart Traveller (ST) fortnightly. The most recent releases landed on October 22, 2026 and October 15, 2026 respectively.
| Parameter | HK Express | Smart Traveller (ST) |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (1.8K ratings) — better | 2.4 (12 ratings) |
| Positive reviews | 17.6% of reviews — better | 9.5% of reviews |
| Number of ratings | 1.8K — better | 12 |
| Update frequency | Every 3 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 221 MB | 86 MB |
| Age rating | 4+ | 17+ |
| Developer | HK Express | Arrture Group Ltd |
Customer experience
HK Express
Smart Traveller (ST)
Bugs and requests
HK Express
Reported bugs
5 issues- Blank screens during booking process
- Inability to save booking history and details
- Inconsistent currency and language support
- Errors when attempting to check-in or manage bookings
- Unreliable performance and frequent crashes
Requested features
5 requests- Integrate Cathay login option
- Improve boarding pass integration with digital wallets
- Implement better offline functionality
- Enhance payment methods and options
- Provide more transparent pricing and fee structure
Smart Traveller (ST)
Not enough reviews yet to summarise bugs or requests.
In-app purchases
HK Express
No in-app purchases
Smart Traveller (ST)
No in-app purchases
Questions
Is HK Express free?
Is Smart Traveller (ST) free?
Which has better reviews, HK Express or Smart Traveller (ST)?
Do HK Express or Smart Traveller (ST) have ads?
Which is updated more often, HK Express or Smart Traveller (ST)?
Other comparisons
