Seaside Sonata vs 嵐山 Mont Vert
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Seaside Sonata
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Seaside Sonata Property App Dear residents, Seaside Sonata App is now in service. You can login the app via your mobile phone or tablet to make facility reservations, receive our instant messages, check management fee eBill, use Market Place to publish a small ad, etc. In addition, you can also use the QR code to open the door locks of the reserved facilities, which is convenient and safe. Please experience the new platform for Estate Management services immediately.
嵐山 Mont Vert
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This Mobile App is designed for Mont Vert owners and residents for a stylish modern residence with a wide range of professional and impeccable services. With finger tips, you can obtain updated estate information anytime and anywhere, reserve clubhouse facilities, enroll classes and activities, enjoy privilege property services offers from both online and offline in the smart community. The“Cloud-based Interactive Community(CIC)” developed by CardApp Limited is a smart community eco-system based on Cloud, Mobile Internet, IoT, FinTech and Ai, to provide various convenient services to and between residents, incorporated owners, property management company, local service providers and nearby merchants. By mid-year 2021, there are about 400 CIC estates in Hong Kong. With CIC, residents can obtain updated estate information anytime and anywhere, book clubhouse facilities, enroll events and activities, check e-statement and online pay property management fee, access estate and lift with mobile and enjoy privilege services and offers from eCommerce. Resident ID is upgraded into dynamic QR code for improved security, stability and widely usage. Operation efficiency and service level of incorporated owners and property management are enhanced with digital tools and workflows to save costs. Online-to-Offline(O2O) services are provided by local merchants to fulfill residents’ daily needs one-stop. CIC has won a series of local and international awards, including “Asia Smartphone Apps Contest” and “Best Mobile Apps-Hong Kong ICT Awards”.
Screenshots
Verdict
The clearest difference is iOS requirement: 嵐山 Mont Vert at 9.0 against Seaside Sonata's 15.0. 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.
Seaside Sonata ships an update every 2 months, 嵐山 Mont Vert every 3 months. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.
| Parameter | Seaside Sonata | 嵐山 Mont Vert |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 62 MB | 94 MB |
| Age rating | 4+ | 4+ |
| Developer | e-Smart System | CardApp Limited |
In-app purchases
Seaside Sonata
No in-app purchases
嵐山 Mont Vert
No in-app purchases









