SFToolAY vs Luis Link
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SFToolAY
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爱印用户工具，顺丰机型工具
Luis Link
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Fast network setup, compatible with multiple communication protocols, ensuring simple and efficient device connections. No matter where you are, you can easily achieve remote control of your home devices. Intelligent scene linkage allows you to control multiple devices with one click, and automated operations let you enjoy a worry-free smart life.
Screenshots
Verdict
SFToolAY and Luis Link are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
SFToolAY ships an update every 6 weeks, Luis Link every 2 months. The most recent releases landed on September 12, 2026 and August 29, 2026 respectively.
| Parameter | SFToolAY | Luis Link |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 | 13 |
| Further details — not scored | ||
| Size | 22 MB | 112 MB |
| Age rating | 4+ | 17+ |
| Developer | Xiamen AiYin Technology Co.,Ltd | Xiamen Lujiang Technology Co., Ltd. |
In-app purchases
SFToolAY
No in-app purchases
Luis Link
No in-app purchases
