Comparison

csl. vs Contactless e

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

csl.

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
Read full description

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.

About

Contactless e

This app allows eligible Hong Kong residents to enroll in a contactless e-Channel service. Generate a QR code on your phone for faster, more convenient, and hygienic immigration clearance by using facial verification without touching shared equipment.

Highlights
  • Enroll in contactless e-Channel service
  • Generate encrypted e-Channel QR code
  • Facial verification for immigration
  • Reduce contact with shared equipment
  • Faster and more convenient clearance
  • Requires "iAM Smart" app for registration
Read full description

Contactless e-Channel Mobile Application facilitates eligible Hong Kong residents to enrol Contactless e-Channel Service. After enrolment, Hong Kong residents can use an encrypted e-Channel QR code generated from their personal mobile phones to enter the contactless e-Channels. Inside the contactless e-Channels, they may simply look at the camera from the marked location to perform facial verification through the system. The immigration clearance is subsequently conducted. During the process, there will be no need to touch shared equipment viz. the fingerprint scanner. Contactless e-Channels would enable members of the public to reduce contact with shared equipment during self-service immigration clearance; while providing faster, more convenient and hygienic immigration clearance service. Enrolment of Contactless e-Channel Service via Contactless e-Channel Mobile Application: ● Use mobile device with biometric authentication functions enabled to download and install the contactless e-Channel mobile application and the "智方便 iAM Smart" app ● Register and activate "iAM Smart" ● Open the contactless e-Channel mobile application and select enrolment ● Wait for the identity verification via "iAM Smart" after reading the statement and submitting the application ● Perform mobile phone built-in biometric authentication to complete the enrolment upon successful identity verification ● Generate e-Channel QR code for immigration clearance via the contactless e-Channels once the above steps are completed Notes: ● Consent of your parent or guardian is required if you are aged from 11 to 17. ● Using Immigration Department Mobile Application, data transmission fees may be incurred for transmitting data through mobile devices. You are suggested keeping track of data usage from time to time.

Screenshots

csl.4 screens
Contactless e4 screens

Verdict

The call

The clearest difference is rating: Contactless e at 2.9 against csl.'s 1.6. On price, review sentiment, ratings volume and update cadence there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

Contactless e holds the better App Store score, 2.9 against 1.6. Both are backed by a comparable volume of ratings — 23 and 9 respectively. Written reviews point the same way: 8% of csl.'s written reviews are positive against 14% of Contactless e's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 16, 2026 and September 22, 2026 respectively.

Scorecard1 real difference · 9 level
csl. versus Contactless e: the parameters behind the verdict, then further details
Parametercsl.Contactless e
PriceFreeFree
Rating1.6 (23 ratings)2.9 (9 ratings) — better
Positive reviews8.3% of reviews14.3% of reviews — better
Number of ratings23 — better9
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.013.0
Further details — not scored
Size176 MB37 MB
Age rating4+4+
DeveloperCSL Mobile LimitedHong Kong Immigration Department

Customer experience

csl.

All ratings23 ratings
Positive13.0%
Neutral0.0%
Negative87.0%
Written reviews12 reviews
Positive8.3%
Neutral0.0%
Negative91.7%

Contactless e

All ratings9 ratings
Positive44.4%
Neutral0.0%
Negative55.6%
Written reviews56 reviews
Positive14.3%
Neutral5.4%
Negative80.4%

In-app purchases

None

csl.

No in-app purchases

None

Contactless e

No in-app purchases

Questions

Is csl. free?
csl. is free to download, with no in-app purchases.
Is Contactless e free?
Contactless e is free to download, with no in-app purchases.
Which has better reviews, csl. or Contactless e?
Contactless e is rated higher. csl. averages 1.6 out of 5 from 23 ratings, while Contactless e averages 2.9 from 9 ratings.
Do csl. or Contactless e have ads?
Neither csl. nor Contactless e shows ads.
Which is updated more often, csl. or Contactless e?
csl. ships an update every 3 weeks, and Contactless e every 3 weeks. Most recently, csl. was updated on September 16, 2026 and Contactless e on September 22, 2026.

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