GreenbirdTenant vs 水務易 eWater
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GreenbirdTenant
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Greenbird is a Smart Waste Management System which is connected to Smart Scale which records waste and recyclables data. This data can be uploaded to our Cloud Platform of Greenbird and tenant can see the daily and weekly statistics. Through this apps, tenants can understand the daily waste and recyclable weight shown by trend and this helps to improve the awareness of environment protection by reducing weight and increasing recyclables %. There is no payment related process or any user input required except the login authentication.
水務易 eWater
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The Water Supplies Department launched a new integrated mobile app "eWater", consolidating the existing WSD mobile apps into a one-stop personalised digital water services information platform with an optimised user interface and enhanced features. Through “eWater”, users can access a wide range of water supplies information such as real-time push notifications on latest updates on water suspension and resumption, anytime and anywhere. Users can also manage their accounts, and apply for various water services directly within the app, including taking up and closing of water accounts, settling water bill payments via Faster Payment System with e-banking mobile apps, applying for e-bill services, and viewing billing summaries and payment histories without the need to deal with the submissions by post or in-person, providing a one-stop experience for users to access WSD services in an easy and flexible manner. “eWater” shows the amount due on the latest water bill with push notification options for bill issuance and payment deadlines. Users may also subscribe to specific concerned districts or housing estates to receive location-specific water suspension and resumption alerts, ensuring they stay informed about any water supplies status in their concerned area.
Screenshots
Verdict
The clearest difference is update cadence: 水務易 eWater at monthly against GreenbirdTenant's every 34 months. GreenbirdTenant's advantage is iOS requirement (9.0 vs 15.5). 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.
GreenbirdTenant ships an update every 34 months, 水務易 eWater monthly. The most recent releases landed on October 6, 2026 and October 30, 2026 respectively.
| Parameter | GreenbirdTenant | 水務易 eWater |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 34 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 9.0 — better | 15.5 |
| Further details — not scored | ||
| Size | 16 MB | 87 MB |
| Age rating | 4+ | 4+ |
| Developer | BeeTree | Water Supplies Department, HKSARG |
In-app purchases
GreenbirdTenant
No in-app purchases
水務易 eWater
No in-app purchases









