# csl. > Mobile service management, account monitoring, and exclusive customer offers. (iPhone/iPad app by CSL Mobile Limited.) - Source: https://appshunter.io/ios/app/csl/id433378614 (this page in markdown: same URL + `.md`) - Developer: [CSL Mobile Limited](https://appshunter.io/developer/340690342) - Category: Utilities, Social Networking - Price: Free - Rating: 1.62/5 from 21 App Store ratings · 10 written reviews indexed - Age rating: 4+ - Requires: iOS 13.0 · 175 MB - Languages: Arabic, Danish, Dutch, English, French, German, Hungarian, Indonesian, Italian, Japanese and 11 more - Released: 2011-05-25 - Data updated: 2026-07-29 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/csl/id433378614/reviews.md ## What is csl.? The new csl app enables users to manage a mobile service plan and account, activate 5G roaming, enjoy 86-easy convenience and access limited-period offers. Explore and manage your mobile service: · Monitor and manage data and voice-calling usage, as well as roaming balance · Check your account balance, billing history and settlement, and establish automatic credit card payment · Manage data usage for secondary SIMs and sharing of data-roaming pass entitlement csl customer offers and rewards · Get coupons and limited-period offers via the “My Wallet & Rewards” feature Browse the latest mobile models, service plans and roaming options: · Enjoy exclusive pricing privileges when making a standalone handset purchase · Obtain data top-ups, data-roaming day passes and other value-added services Please note: Selected functions and information are exclusive to csl customers using a login account. ## Key features - 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 ## Recent user reviews (10 of 10) All indexed reviews: https://appshunter.io/ios/app/csl/id433378614/reviews.md ### 1/5 — Not working *2024-09-17, version 7.18* Not working on my iPhone 6. ### 1/5 — Terrible UI *2024-05-21* The UI/UX of this app is awful, making it nearly impossible to use. The layout is confusing, features are difficult to find, and the performance is consistently poor. I strongly recommend avoiding this app until significant improvements are made. ### 1/5 — Seriously bad app.. it’s all ads and 1% functions *2024-05-04* Seriously your update says UI/UX improvements.. adding more ads to Home Screen is an awesome improvement… lol.. Please make a working app. Also have a contrasting color pallet. You don’t use white on a grey background. Really basic stuff guys..no idea how apple approved the app ### 1/5 — App not working *2024-03-02, version 7.08* After the latest update, the app will not work. Kindly fix the problem! ### 1/5 — Horrible!!! *2021-07-29* Why is it that Chinese companies can’t produce and facilitate simple apps?? Why is it always so complicated to the point where it’s completely inefficient? I refuse to believe all of you are this stupid!! ### 1/5 — worthless, pay bill doesn’t work, mostly ads *2020-05-21* Pay bill feature stopped working with this update. Guess they don’t want bills paid. Check data usage doesn’t work. Only thing that seems to work is the many ads trying to get you to buy stuff. ### 1/5 — Prepaid *2019-07-01* why don't you have services for prepaid? as a tourist it would be very useful. sometimes tourist may keep the sim card for future use since instead of always have to get a new sim card upon arrival. ### 1/5 — Bad update *2016-06-09* I've got a family data plan with four SIM cards. After the last update I can see local data usage for my main number. THe other three show up. Why on earth do you release updates that are less functional. Annoyed. ### 1/5 — Usage check not working! *2013-05-30* Usage check was stopped from working for a long while already! Please check! ### 5/5 — 終於等到CSL出iphone app!! *2011-05-27* 用這個app十分之方便查閱帳戶和設定. ## Frequently asked questions about csl. ### What is csl. used for? csl. is used to manage your mobile service plan, monitor data and voice usage, check your account balance, and access exclusive customer offers and deals. It allows for convenient account management on the go. ### Is csl. free to download and use? Yes, csl. is available for free download and use. There are no upfront costs associated with downloading or using the core features of the application. ### What devices does csl. support? csl. is supported on iPhone and iPod devices. The application is designed to work seamlessly on these Apple mobile platforms. ### How often is csl. updated? The latest version of csl. is 7.47, last updated on March 10, 2026. While this indicates a recent update, the frequency of future updates will depend on the developer's release schedule. ### Does csl. have ads? No, csl. does not contain advertisements. The application is designed to provide a clean user experience without any ad interruptions. ### What are the main benefits of using csl. for existing customers? Existing csl customers can benefit from easy monitoring of their data and voice usage, managing roaming balances, setting up automatic payments, and accessing exclusive coupons and limited-period offers through the 'My Wallet & Rewards' feature. ### Can I manage data usage for secondary SIMs with csl.? Yes, csl. allows you to manage data usage for secondary SIMs and share data-roaming pass entitlements. This feature helps in better control over your mobile data consumption across multiple SIMs. ### What is the user sentiment for csl. based on ratings? Based on the provided data, csl. has a rating of 1.6 stars from 20 ratings. This suggests a generally negative user sentiment, indicating potential areas for improvement in user experience or functionality. ## Version history (last 5 releases) ### 7.55 — 2026-07-09 This latest version incorporates numerous UI/UX improvements and enhances system stability to equip users with a seamless and user-friendly experience. ### 7.53 — 2026-06-10 This latest version incorporates numerous UI/UX improvements and enhances system stability to equip users with a seamless and user-friendly experience. ### 7.52 — 2026-05-18 This latest version incorporates numerous UI/UX improvements and enhances system stability to equip users with a seamless and user-friendly experience. ### 7.51 — 2026-05-04 This latest version incorporates numerous UI/UX improvements and enhances system stability to equip users with a seamless and user-friendly experience. ### 7.48 — 2026-04-09 This latest version incorporates numerous UI/UX improvements and enhances system stability to equip users with a seamless and user-friendly experience. ## Apps similar to csl. | App | Rating | Price | Category | | --- | --- | --- | --- | | [My HKBN: Rewards & Services](https://appshunter.io/ios/app/my-hkbn-rewards-and-services/id586153084) | — | Free | Utilities | | [Contactless e-Channel](https://appshunter.io/ios/app/contactless-e-channel/id1590998870) | 2.6 (8) | Free | Utilities | | [智方便 iAM Smart](https://appshunter.io/ios/app/iam-smart/id1515065344) | 1.8 (29) | Free | Utilities | | [My HKT](https://appshunter.io/ios/app/my-hkt/id664964247) | 1.5 (13) | Free | Utilities | | [CLP HK](https://appshunter.io/ios/app/clp-hk/id450725907) | 1.6 (13) | Free | Utilities | | [HK Immigration Department](https://appshunter.io/ios/app/hk-immigration-department/id578918010) | 2.6 (13) | Free | Utilities | ## More apps by CSL Mobile Limited - [1O1O](https://appshunter.io/ios/app/1o1o/id433375584) - [Club Sim Prepaid](https://appshunter.io/ios/app/club-sim-prepaid/id1286595675) - [HKT AR Lens - Discover offers](https://appshunter.io/ios/app/hkt-ar-lens-discover-offers/id1497661987) - [Club Sim Monthly Service](https://appshunter.io/ios/app/club-sim-monthly-service/id1616779013) - [My Account - Prepaid SIM](https://appshunter.io/ios/app/my-account-prepaid-sim/id6737685835) All apps by CSL Mobile Limited: https://appshunter.io/developer/340690342 ## Related topics [csl hk](https://appshunter.io/ios/topics/csl-hk) · [cls hk](https://appshunter.io/ios/topics/cls-hk) · [1010 csl](https://appshunter.io/ios/topics/1010-csl) · [csl](https://appshunter.io/ios/topics/csl) · [club sim](https://appshunter.io/ios/topics/club-sim) · [pccw](https://appshunter.io/ios/topics/pccw) · [cls](https://appshunter.io/ios/topics/cls) · [gspl](https://appshunter.io/ios/topics/gspl) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-29.*