Comparison

SD Master vs 周到快服

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

Head to head

About

SD Master

Features

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Application Brief: Power Master - one stop service to provide customers with professional management services 【Product description】 SD device management, WiFi configuration and APNs configuration based on existing integration hotspots. 【Features】 Easy to use: Simple operation to achieve the goal with minimum operation Express clearly, express the clearest meaning with the least text Powerful, comprehensive services to help you manage your business. One-click shop: Provide you with a simple and convenient distribution service Wide range: Support multi-country and provide services to make your equipment all over the world 【Keep in touch】 Customer service email: developer@sdbattery.com Thank you for using SouDian. Your valuable comments are very important to us. Please leave your contact information while commenting. We will solve your problem quickly. Shenzhen Zhumang Technology Development Co., Ltd.

About

周到快服

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提供家电产品安装、维修、保养服务。用户一键提交需求，附近海量网点及时响应提供方便快捷的服务。同时建有服务网点评价体系，优选优质服务商，打造业界专业的家电售后服务。

Screenshots

SD Master2 screens

周到快服4 screens

Verdict

The call

The clearest difference is iOS requirement: SD Master at 9.0 against 周到快服's 12.0. On price, update cadence, ads and in-app purchases 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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 5, 2026 and October 21, 2026 respectively.

Scorecard1 real difference · 5 level

SD Master versus 周到快服: the parameters behind the verdict, then further details
Parameter	SD Master	周到快服
Price	Free	Free
Update frequency	Every 2 months	Every 2 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	9.0 — better	12.0
Further details — not scored
Size	28 MB	57 MB
Age rating	17+	4+
Developer	Shenzhen Zhumang Information Technology Co., Ltd.	Guangzhou Tongwang Technology Development Co, Ltd.

In-app purchases

None

SD Master

No in-app purchases

None

周到快服

No in-app purchases

Questions

Is SD Master free?

SD Master is free to download, with no in-app purchases.

Is 周到快服 free?

周到快服 is free to download, with no in-app purchases.

Do SD Master or 周到快服 have ads?

Neither SD Master nor 周到快服 shows ads.

Which is updated more often, SD Master or 周到快服?

SD Master ships an update every 2 months, and 周到快服 every 2 months. Most recently, SD Master was updated on October 5, 2026 and 周到快服 on October 21, 2026.