# csl. vs RateCUHK

The clearest difference is rating: RateCUHK at 5.0 against csl.'s 1.5. csl.'s advantage is ratings volume (26 vs 1) and iOS requirement (13.0 vs 15.6). On price, update cadence, ads and in-app purchases there is nothing between them.

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

RateCUHK 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, RateCUHK every 2 weeks. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | csl. | RateCUHK |
| --- | --- | --- |
| 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/ratecuhk/id6756692245/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 2 weeks** |
| Monetization | Free | — |
| Size | 178 MB | 14 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CSL Mobile Limited](https://appshunter.io/developer/340690342) | [中华 李](https://appshunter.io/developer/1866268101) |

## 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


### RateCUHK

[App page](https://appshunter.io/ios/app/ratecuhk/id6756692245)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is csl. free?

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

### Is RateCUHK free?

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

### Which has better reviews, csl. or RateCUHK?

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

### Do csl. or RateCUHK have ads?

Neither csl. nor RateCUHK shows ads.

### Which is updated more often, csl. or RateCUHK?

csl. ships an update every 3 weeks, and RateCUHK every 2 weeks. Most recently, csl. was updated on October 23, 2026 and RateCUHK on October 24, 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.*