ONTOLO vs DOUBLE COAST
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ONTOLO
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Great Eagle would like to extend our warmest courtesy to welcome you at ONTOLO. We sincerely wish you and your family enjoy the most natural and comfortable living here. ONTOLO is situated at No. 7, Fo Yin Road, Pak Shek Kok, Tai Po, offering 723 residential units. For the wellness of your family, “Club ONTOLO” provides various facilities, including its signature central landscape “The Great Lawn”, as well as outdoor swimming pool, heated indoor swimming pool, gymnasium, music room, yoga room, multi-function room, casual dining room, and “The Tree House”, etc. For the betterment of your quality lifestyle at ONTOLO, The Great Eagle Properties Management Company, Limited is proud to be appointed as the Manager in providing professional and exquisite concierge and management services to ensure your utmost comfort and privacy. May your stay at ONTOLO be a long and happy one! "ONTOLO" is one of the Cloud-based Interactive Communities(CIC) designed and developed by CardApp Limited, a Hong Kong based Internet company focusing on smart community solution development and operation.
DOUBLE COAST
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Taking inspirations from Sydney's waterfront, Double Coast captures natural, dynamic curvy waves into waterscape installations and panoramic visual landscape designs throughout the project from clubhouse, lobby and interior design, introducing the vibe of Sydney's seaside at the doorstep. Whether it's the urban gist of Sydney's waterfront, or the exquisite greenery in Hong Kong, you can embrace both in one coast. CLUB SYDNEY, the residents’ club of DOUBLE COAST I, emerging with the essence of Sydney’s coastal charm, it covers with a space over 79,000 sq. ft. along with a landscape inspired by the Royal Botanic Garden Sydney and implanting the iconic Jacaranda trees of Australia. Dive into the approximately 50m waterfront¹ swimming pool, it is next to an indoor heated pool, offering a new aquatic fitness experience with FloatFit HIIT. The club features an impressive Wellness Centre spanning over 8,400 sq. ft., including a 24-hour gym with garden and inner harbour view, it offers a variety of fitness gear, brand new interactive rowing machines and surfing machines; it also provides a Yoga Studio, luxurious spa with private Jacuzzi and steam sauna room, providing a complete sanctuary for body and soul. Villa Utzon, is tailored for triple themes of wine tasting, entertainment, and banquets, featuring comprehensive cooking facilities, as well as a private Jacuzzi, garden, and BBQ equipment, allowing residents to enjoy the fun of cooking and throws the parties and celebrations at any time.
Screenshots
Verdict
The clearest difference is update cadence: ONTOLO at every 3 months against DOUBLE COAST's every 10 months. ONTOLO also leads on iOS requirement (9.0 vs 16.4). 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.
ONTOLO ships an update every 3 months, DOUBLE COAST every 10 months. The most recent releases landed on October 27, 2026 and October 14, 2026 respectively.
| Parameter | ONTOLO | DOUBLE COAST |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months — better | Every 10 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 9.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 240 MB | 68 MB |
| Age rating | 4+ | 4+ |
| Developer | CardApp Limited | Innowave Solutions Limited |
In-app purchases
ONTOLO
No in-app purchases
DOUBLE COAST
No in-app purchases









