Comparison

SD Scan Tool vs CK Wear OS

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

Head to head
About

SD Scan Tool

Features
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Wetrusty Tag Scan Tool for Picking Three major steps to use this app. Step 1. Pre-setting for filename prefix Step 2. Scan tag and Generate Tag ID list Txt files Step 3. Share files to PC to do post-processing ● Purpose of usage - You can scan Wetrusty Tag ID list when picking goods. - Or Match pickd Tag IDs to Package number or Logistics number. - Send the Tag ID lists (Txt files) to PC via email to do post-processing ● Tag ID format - Only Wetrusty Tag QR code or 16 digits Tag ID will be accepted. - You can scan QR code or key in 16 digits Tag ID. - Tag ID format can be customized set in [Settings] ● File name format: {Site name prefix} + {Operation prefix} + {Date} + {Time} + .txt - Site name prefix: This can represent the working place (Warehouse) or the user (phone). - Operation prefix: This can represent the purpose of scan. - Filename can be modified after scanning. - You can go to [Settings] to modify prefixs.

About

CK Wear OS

Features
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CK Wear OS is sports and health App with new features. - It integrates such functions as health data recording, movement track recording and wearable device control, acting as your exclusive health steward. -It records all data from your wearable device, allowing you to focus more on your exercise! After connecting your wearable device to the CK Wear OS App, you have access to: [Manage Health]:  Record and manage steps, distance, sleep records, exercise records and other data, as well as set menstrual cycle reminders; Set alarms, call reminders, message notifications, inactivity reminders, drinking reminders, serving as an assistant in your life; Record your sleep data, including sleep duration, deep sleep, light sleep and rapid eye movements (REM), in order to monitor and improve your sleep quality; Record your weight trends and set your weight goal, encouraging you to achieve the daily exercise goal; [Record Exercise& Activities]:  Record your exercise data sports (running, biking, swimming, rowing machine, etc.), including your movement track, HR, pace, etc.; Record your daily walking steps, calories, medium and high-intensity exercise and other activity data, and view the complete records on a daily/weekly/monthly basis; [Change Dial]: A rich selection of watch face themes are available in the brand-new cloud dial market, giving your device a new look every day; [Share Achievements]: If you use CK Wear OS App to monitor your excercises continuously, virtual medals will be awarded when you reaches milestones. You can share your weekly exercise information for interaction with your friends. [Data Share]: Connect to synchronize data to Apple Health (HealthKit), to achieve data movement, data and consumed calories sleep simultaneous recording to Apple Health (HealthKit) CK Wear OS App supports multiple languages, and it will support more wearable devices in the future, bringing you more wonderful experiences! You are welcome to send you feedback to:service@scykei.com

Screenshots

SD Scan Tool3 screens
CK Wear OS4 screens

Verdict

The call

The clearest difference is update cadence: CK Wear OS at every 10 days against SD Scan Tool's every 2 months. SD Scan Tool'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

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

SD Scan Tool ships an update every 2 months, CK Wear OS every 10 days. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

Scorecard2 real differences · 4 level
SD Scan Tool versus CK Wear OS: the parameters behind the verdict, then further details
ParameterSD Scan ToolCK Wear OS
PriceFreeFree
Update frequencyEvery 2 monthsEvery 10 days — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPod
Requires iOS8.0 — better13.0
Further details — not scored
Size3 MB188 MB
Age rating4+4+
DeveloperWetrustyShenzhen Aienmi Technology Co., Ltd.

In-app purchases

None

SD Scan Tool

No in-app purchases

None

CK Wear OS

No in-app purchases

Questions

Is SD Scan Tool free?
SD Scan Tool is free to download, with no in-app purchases.
Is CK Wear OS free?
CK Wear OS is free to download, with no in-app purchases.
Do SD Scan Tool or CK Wear OS have ads?
Neither SD Scan Tool nor CK Wear OS shows ads.
Which is updated more often, SD Scan Tool or CK Wear OS?
SD Scan Tool ships an update every 2 months, and CK Wear OS every 10 days. Most recently, SD Scan Tool was updated on October 26, 2026 and CK Wear OS on October 27, 2026.

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