# csl. vs Cantoboard

The clearest difference is review sentiment: Cantoboard at 80% against csl.'s 8%. Cantoboard also leads on rating (5.0 vs 1.6). csl.'s advantage is update cadence (every 3 weeks vs every 2 months) and ratings volume (23 vs 3). 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.

Cantoboard holds the better App Store score, 5.0 against 1.6. That said, the two scores are not equally well evidenced: csl. has 23 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 8% of csl.'s written reviews are positive against 80% of Cantoboard's.

csl. ships an update every 3 weeks, Cantoboard every 2 months. The most recent releases landed on September 16, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | csl. | Cantoboard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.6 (23 ratings)](https://appshunter.io/ios/app/csl/id433378614/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/cantoboard/id6752963850/reviews)** |
| Number of ratings | **23** | 3 |
| Positive reviews | 8.3% of reviews | **80.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 176 MB | 125 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CSL Mobile Limited](https://appshunter.io/developer/340690342) | [Ching Kit Kwan](https://appshunter.io/developer/1698165338) |

## 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


### Cantoboard

[App page](https://appshunter.io/ios/app/cantoboard/id6752963850)

This keyboard app offers a seamless typing experience for Cantonese speakers, supporting multiple input methods and intelligent suggestions. It features a familiar interface, predictive text, and error correction for efficient communication.

**Highlights:** Multiple Cantonese input methods (Jyutping, Yale, Cangjie), Intelligent word suggestions and error correction, Mixed Chinese and English input, Familiar iOS-like interface, Tone selection for filtering candidates, Quick deletion and symbol access

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is csl. free?

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

### Is Cantoboard free?

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

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

Cantoboard is rated higher. csl. averages 1.6 out of 5 from 23 ratings, while Cantoboard averages 5.0 from 3 ratings.

### Do csl. or Cantoboard have ads?

Neither csl. nor Cantoboard shows ads.

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

csl. ships an update every 3 weeks, and Cantoboard every 2 months. Most recently, csl. was updated on September 16, 2026 and Cantoboard on September 20, 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.*