# csl. vs Hong Kong e

The clearest difference is rating: Hong Kong e at 2.9 against csl.'s 1.5. csl.'s advantage is iOS requirement (13.0 vs 15.0). On price, review sentiment, ratings volume and update cadence there is nothing between them.

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

Hong Kong e holds the better App Store score, 2.9 against 1.5. Both are backed by a comparable volume of ratings — 26 and 9 respectively. Written reviews point the same way: 8% of csl.'s written reviews are positive against 14% of Hong Kong e's.

csl. ships an update every 3 weeks, Hong Kong e fortnightly. The most recent releases landed on October 23, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | csl. | Hong Kong e |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (26 ratings)](https://appshunter.io/ios/app/csl/id433378614/reviews) | **[2.9 (9 ratings)](https://appshunter.io/ios/app/hong-kong-e-channel/id1590998870/reviews)** |
| Number of ratings | **26** | 9 |
| Positive reviews | 8.3% of reviews | **14.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free | Free |
| Size | 178 MB | 42 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CSL Mobile Limited](https://appshunter.io/developer/340690342) | [Hong Kong Immigration Department](https://appshunter.io/developer/578918013) |

## What reviewers say

### csl.

[App page](https://appshunter.io/ios/app/csl/id433378614)

Manage your mobile service plan, monitor data and voice usage, and check your account balance. Access exclusive offers, coupons, and limited-period deals. Browse the latest mobile models and service plans with special pricing.

**Highlights:** Monitor data and voice usage, Manage roaming balance, Check account balance and billing history, Automatic credit card payment setup, Access coupons and limited-period offers, Browse latest mobile models and plans

**In-app purchases:** none


### Hong Kong e

[App page](https://appshunter.io/ios/app/hong-kong-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 csl. free?

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

### Is Hong Kong e free?

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

### Which has better reviews, csl. or Hong Kong e?

Hong Kong e is rated higher. csl. averages 1.5 out of 5 from 26 ratings, while Hong Kong e averages 2.9 from 9 ratings.

### Do csl. or Hong Kong e have ads?

Neither csl. nor Hong Kong e shows ads.

### Which is updated more often, csl. or Hong Kong e?

csl. ships an update every 3 weeks, and Hong Kong e fortnightly. Most recently, csl. was updated on October 23, 2026 and Hong Kong e on October 21, 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.*