Developed by HKT and launched in 2010. The official site is csl.com.hk, with iOS and Android apps.
Within this atlas it appears in 1 market: Hong Kong, China.
Key facts
- Developer
- HKT
- Launched
- 2010
- Platforms
- iOS · Android
- Category
- Tools
- Official website
- www.csl.com.hk
Where it is used
1Frequently asked questions
5 Q&AWhat is csl?
csl is a tools app developed by HKT and launched in 2010. HKT’s mobile brand in Hong Kong. Developed by HKT and launched in 2010.
Who develops csl?
HKT. The product launched in 2010 and runs on iOS · Android.
In which countries is csl popular?
Within this atlas it appears in 1 market: Hong Kong, China.
What is the official website of csl?
The official site is https://www.csl.com.hk.
What kind of app is csl?
It belongs to the tools category, alongside 210 other apps in this index.
Sources
Updated 2026-11-12- DataReportal — Digital 2026
- ITU — Statistics
- Official product sites
Cite this page
World Sites & Apps. “What is csl? Developer, launch year and countries”. 2026. https://abcvv.com/a/csl_hk.html