Comparison

csl. vs SDWAN Fast

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

SDWAN Fast

Read full description

UniLake is a Telco-Grade SD-WAN solution provider with SDN, SD-WAN optimized technologies. We offer you fast, stable, secure WAN services with flexible setup, or user self-service configuration portal.

Screenshots

csl.4 screens
SDWAN Fast4 screens

Verdict

The call

The clearest difference is update cadence: csl. at every 3 weeks against SDWAN Fast's every 4 months. SDWAN Fast's advantage is device support (4 vs 2). On price, ads, in-app purchases and iOS requirement 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.

UpkeepUpdate frequency

csl. ships an update every 3 weeks, SDWAN Fast every 4 months. The most recent releases landed on September 16, 2026 and September 9, 2026 respectively.

Scorecard2 real differences · 8 level
csl. versus SDWAN Fast: the parameters behind the verdict, then further details
Parametercsl.SDWAN Fast
PriceFreeFree
Rating1.6 (23 ratings) — better—
Positive reviews8.3% of reviews—
Number of ratings23 — better—
Update frequencyEvery 3 weeks — betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod, Mac — better
Requires iOS13.013.0
Further details — not scored
Size176 MB12 MB
Age rating4+4+
DeveloperCSL Mobile LimitedBEIJING LIANCHIXITONG TECHNOLOGY LLC

In-app purchases

None

csl.

No in-app purchases

None

SDWAN Fast

No in-app purchases

Questions

Is csl. free?
csl. is free to download, with no in-app purchases.
Is SDWAN Fast free?
SDWAN Fast is free to download, with no in-app purchases.
Do csl. or SDWAN Fast have ads?
Neither csl. nor SDWAN Fast shows ads.
Which is updated more often, csl. or SDWAN Fast?
csl. ships an update every 3 weeks, and SDWAN Fast every 4 months. Most recently, csl. was updated on September 16, 2026 and SDWAN Fast on September 9, 2026.

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