Hong Kong e vs Unit Converter 單位換算
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Hong Kong e
This app allows eligible Hong Kong residents to enroll in a contactless e-Channel service. Generate a QR code on your phone for faster, more convenient, and hygienic immigration clearance by using facial verification without touching shared equipment.
- Enroll in contactless e-Channel service
- Generate encrypted e-Channel QR code
- Facial verification for immigration
- Reduce contact with shared equipment
- Faster and more convenient clearance
- Requires "iAM Smart" app for registration
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Hong Kong e-Channel Mobile Application facilitates eligible Hong Kong residents to enrol for e-Channel services.
Unit Converter 單位換算
This utility app offers comprehensive unit conversions for various measurements including weight, length, temperature, and computer memory. It also provides multi-country currency conversion with auto-updated exchange rates and supports Asian-specific units. The app features real-time conversion, remembers your last used units, and supports multiple languages.
- Extensive unit support (weight, length, volume, etc.)
- Multi-country currency conversion
- Real-time conversion updates
- Automatic saving of last used units
- Support for Asian-specific units
- Multi-language interface
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Features: * Support many types of unit (weight, length, area, volume/capacity, temperature, power, speed, pressure, computer memory units) * Multi-country currency conversion (auto update exchange rate) * Supports the units of measurement commonly used in Asia (for example: Hong Kong's tael, China's catty, Taiwan's ping, Japan's jian) * Real-time conversion (Keep updating the result when user is updating the input) * Automatically save the last used unit, so that you can use it faster next time * Support negative number * Support portrait and landscape interface * Support three languages (Traditional Chinese, Simplified Chinese, English)
Screenshots
Verdict
The clearest difference is rating: Unit Converter 單位換算 at 5.0 against Hong Kong e's 2.9. Unit Converter 單位換算 also leads on iOS requirement (13.0 vs 15.0). Hong Kong e's advantage is update cadence (fortnightly vs every 2 months) and ratings volume (9 vs 1). On price, ads, in-app purchases and monetization model 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.
Unit Converter 單位換算 holds the better App Store score, 5.0 against 2.9. That said, the two scores are not equally well evidenced: Hong Kong e has 9 ratings behind it against 1, so its average is the more settled of the two.
Hong Kong e ships an update fortnightly, Unit Converter 單位換算 every 2 months. The most recent releases landed on October 13, 2026 and October 2, 2026 respectively.
| Parameter | Hong Kong e | Unit Converter 單位換算 |
|---|---|---|
| Price | Free | Free |
| Rating | 2.9 (9 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 14.3% of reviews | — |
| Number of ratings | 9 — better | 1 |
| Update frequency | Fortnightly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 42 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Hong Kong Immigration Department | First Bird Design & Technology Limited |
Customer experience
Hong Kong e
Unit Converter 單位換算
In-app purchases
Hong Kong e
No in-app purchases
Unit Converter 單位換算
No in-app purchases
Questions
Is Hong Kong e free?
Is Unit Converter 單位換算 free?
Which has better reviews, Hong Kong e or Unit Converter 單位換算?
Do Hong Kong e or Unit Converter 單位換算 have ads?
Which is updated more often, Hong Kong e or Unit Converter 單位換算?
Other comparisons
