Comparison

eTAX by IRD vs Mark2Do

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Read full description

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.

About

Mark2Do

Features
Read full description

Mark2Do - 極簡待辦事項管理 (To-Do List) 厭倦了煩瑣的 To-Do List 嗎?Mark2Do 為您提供一個極簡的待辦事項管理工具,讓您只需專注於記下待辦事宜,無需再為複雜的操作煩惱。 功能特色: - 簡潔界面:直觀易用的設計,讓您一目了然您的待辦事項。 - 快速記錄:輕鬆添加和管理您的待辦事宜,節省寶貴時間。 - 專注所需:只專注於記下您所想,您所需要的事,無多餘功能打擾。 無論是日常生活還是工作計劃,Mark2Do 都能幫助您保持條理,提升效率。立即下載,體驗極簡待辦事宜管理的魅力! 下載 Mark2Do,開始您的高效生活之旅吧!

Screenshots

eTAX by IRD3 screens
Mark2Do4 screens

Verdict

The call

The clearest difference is iOS requirement: eTAX by IRD at 13.0 against Mark2Do's 15.6. 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

eTAX by IRD ships an update every 8 months, Mark2Do every 5 months. The most recent releases landed on November 4, 2026 and October 25, 2026 respectively.

Scorecard1 real difference · 7 level
eTAX by IRD versus Mark2Do: the parameters behind the verdict, then further details
ParametereTAX by IRDMark2Do
PriceFreeFree
Positive reviews8.3% of reviews—
Update frequencyEvery 8 monthsEvery 5 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.0 — better15.6
Further details — not scored
Size30 MB27 MB
Age rating4+4+
DeveloperInland Revenue DepartmentHiuChun Wong

In-app purchases

None

eTAX by IRD

No in-app purchases

None

Mark2Do

No in-app purchases

Questions

Is eTAX by IRD free?
eTAX by IRD is free to download, with no in-app purchases.
Is Mark2Do free?
Mark2Do is free to download, with no in-app purchases.
Do eTAX by IRD or Mark2Do have ads?
Neither eTAX by IRD nor Mark2Do shows ads.
Which is updated more often, eTAX by IRD or Mark2Do?
eTAX by IRD ships an update every 8 months, and Mark2Do every 5 months. Most recently, eTAX by IRD was updated on November 4, 2026 and Mark2Do on October 25, 2026.

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