# csl. vs Go Hong Kong

The clearest difference is rating: Go Hong Kong at 5.0 against csl.'s 1.5. Go Hong Kong also leads on update cadence (every 10 days vs every 3 weeks). csl.'s advantage is ratings volume (26 vs 1) and iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Go Hong Kong holds the better App Store score, 5.0 against 1.5. That said, the two scores are not equally well evidenced: csl. has 26 ratings behind it against 1, so its average is the more settled of the two.

csl. ships an update every 3 weeks, Go Hong Kong every 10 days. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | csl. | Go Hong Kong |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (26 ratings)](https://appshunter.io/ios/app/csl/id433378614/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/go-hong-kong/id6791511543/reviews)** |
| Number of ratings | **26** | 1 |
| Positive reviews | 8.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | Free | — |
| Size | 178 MB | 99 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


### Go Hong Kong

[App page](https://appshunter.io/ios/app/go-hong-kong/id6791511543)

**In-app purchases:** none


## Frequently asked questions

### Is csl. free?

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

### Is Go Hong Kong free?

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

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

Go Hong Kong is rated higher. csl. averages 1.5 out of 5 from 26 ratings, while Go Hong Kong averages 5.0 from 1 ratings.

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

Neither csl. nor Go Hong Kong shows ads.

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

csl. ships an update every 3 weeks, and Go Hong Kong every 10 days. Most recently, csl. was updated on November 1, 2026 and Go Hong Kong on November 6, 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.*