csl. vs DearQ e單
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
DearQ e單
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DearQ e單是一款為客戶訂制的查看實體店購物憑證的APP,每次購物時只需向銷售員提供即時產生的二維碼，即可將當時的購物單錄入電子單系統，方便客戶以后查詢。
Screenshots
Verdict
The clearest difference is update cadence: csl. at every 3 weeks against DearQ e單's every 13 months. DearQ e單's advantage is iOS requirement (8.0 vs 13.0). On price, ads, in-app purchases and device support 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
csl. ships an update every 3 weeks, DearQ e單 every 13 months. The most recent releases landed on September 16, 2026 and December 11, 2025 respectively.
| Parameter | csl. | DearQ e單 |
|---|---|---|
| Price | Free | Free |
| Rating | 1.6 (23 ratings) — better | — |
| Positive reviews | 8.3% of reviews | — |
| Number of ratings | 23 — better | — |
| Update frequency | Every 3 weeks — better | Every 13 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 176 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | CSL Mobile Limited | KONG CHU |
In-app purchases
csl.
No in-app purchases
DearQ e單
No in-app purchases
