# 澳電CEM vs Contactless e

The clearest difference is rating: 澳電CEM at 5.0 against Contactless e's 2.9. Contactless e's advantage is ratings volume (9 vs 1) and update cadence (every 3 weeks vs every 6 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.

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

澳電CEM holds the better App Store score, 5.0 against 2.9. That said, the two scores are not equally well evidenced: Contactless e has 9 ratings behind it against 1, so its average is the more settled of the two.

澳電CEM ships an update every 6 weeks, Contactless e every 3 weeks. The most recent releases landed on September 7, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | 澳電CEM | Contactless e |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cem/id573796743/reviews)** | [2.9 (9 ratings)](https://appshunter.io/ios/app/contactless-e-channel/id1590998870/reviews) |
| Number of ratings | 1 | **9** |
| Positive reviews | — | 14.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 50 MB | 37 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Companhia de Electricidade de Macau - CEM, S.A.](https://appshunter.io/developer/573796746) | [Hong Kong Immigration Department](https://appshunter.io/developer/578918013) |

## What reviewers say

### 澳電CEM

[App page](https://appshunter.io/ios/app/cem/id573796743)

Manage your electricity contracts and apply for services with this platform. View bills, submit meter readings, set payment reminders, and track online applications. Registered users can access both the app and the online service center with the same credentials.

**Highlights:** Manage electricity contracts, View latest electricity bills, Apply for services, Submit meter readings, Set payment reminders, Track online application status, Register for online services

**Features:** macOS Compatibility

**In-app purchases:** none


### Contactless e

[App page](https://appshunter.io/ios/app/contactless-e-channel/id1590998870)

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.

**Highlights:** 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

**In-app purchases:** none


## Frequently asked questions

### Is 澳電CEM free?

澳電CEM is free to download, with no in-app purchases.

### Is Contactless e free?

Contactless e is free to download, with no in-app purchases.

### Which has better reviews, 澳電CEM or Contactless e?

澳電CEM is rated higher. 澳電CEM averages 5.0 out of 5 from 1 ratings, while Contactless e averages 2.9 from 9 ratings.

### Do 澳電CEM or Contactless e have ads?

Neither 澳電CEM nor Contactless e shows ads.

### Which is updated more often, 澳電CEM or Contactless e?

澳電CEM ships an update every 6 weeks, and Contactless e every 3 weeks. Most recently, 澳電CEM was updated on September 7, 2026 and Contactless e on September 22, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*