水務易 eWater vs eTAX by IRD
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
eTAX by IRD
Manage your tax affairs conveniently and securely from your mobile device. Access important tax messages, personal information, and a direct link to the IRD's online tax portal for services like e-filing and document stamping.
- Secure login with iAM Smart and biometrics
- View real-time tax messages and alerts
- Access Individual Tax Portal
- E-filing of tax returns
- E-Stamping of documents
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eTAX is a mobile application launched by the Inland Revenue Department (IRD), the Government of the Hong Kong Special Administrative Region of the People's Republic of China. It provides a secure and convenient platform for individuals to manage their tax matters anytime, anywhere with ease. Key features include: • Secure Login: Supports login via the “iAM Smart” account, combined with biometric authentication (e.g. fingerprint or facial recognition) on personal mobile devices for enhanced security and convenience. • Messages Box: Users can view tax-related messages, alerts, and personal tax information issued by the IRD in real time. • Quick Access to Individual Tax Portal: With a simple tap on the “Services” button, users can access the IRD’s Individual Tax Portal to use a wide range of online tax services such as e-filing tax returns, checking records and e-Stamping of documents. This app promotes e-Government services, streamlines procedures, and enhances user experience, enabling a smarter and more efficient way to handle tax matters.
Screenshots
Verdict
The clearest difference is update cadence: 水務易 eWater at every 5 weeks against eTAX by IRD's every 8 months. eTAX by IRD's advantage is iOS requirement (13.0 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.
水務易 eWater ships an update every 5 weeks, eTAX by IRD every 8 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.
| Parameter | 水務易 eWater | eTAX by IRD |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 8.3% of reviews |
| Update frequency | Every 5 weeks — better | Every 8 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.5 | 13.0 — better |
| Further details — not scored | ||
| Size | 88 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | Water Supplies Department, HKSARG | Inland Revenue Department |
In-app purchases
水務易 eWater
No in-app purchases
eTAX by IRD
No in-app purchases






