King Sound vs i 标记
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
King Sound
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KingSound motion sensor speaker adopts mature pyroelectric human body induction technology, built-in Wi-Fi module, and uses mobile APP to operate. It can choose to play different voice content according to different places and different time periods, easy to install and easy to operate. Widely used in Government, exhibition halls, supermarkets, stations, airports and other places. Features * Motion sensor can be accurately recognized when a person passes by, and play sound. * Support external trigger control, timing play, interval time play. * MP3 audio format playback, beautiful sound quality. * Support Wi-Fi connection, use the mobile APP to set the timing, easy to operate. * 1 ~ 50 sets of timing data can be set. * Voice update is convenient, you can automatically update the voice files by U disk. * Built-in flash memory, the duration of voice playback can be customized according to customer needs. * Can set the loop playback function. * With clock display function, the current time will be automatically updated after connecting the phone.
i 标记
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【i标记】是一款支持标签设计、管理、蓝牙打印的免费应用程序,拥有设计多样化、管理简单化、打印方便化等特点。在标签设计方面,提供多彩多样的云端模板选择,可支持多种排版;打印方面,通过手机蓝牙实现简洁快速的打印,其中快捷打印、超长模式等特色功能可以满足更多的用户场景需求;一体化的编辑,打印设计界面极具视觉美感,左右滑动的本地标签视图更直观明了,简洁易懂,极具创意的打印组合键,科技感十足,同时也让用户一目了然,体现了i标记软件极简,极易,极美的设计理念;
Screenshots
Verdict
The clearest difference is update cadence: i 标记 at every 2 months against King Sound's every 22 months. King Sound's advantage is iOS requirement (9.0 vs 15.0). 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.
King Sound ships an update every 22 months, i 标记 every 2 months. The most recent releases landed on October 9, 2026 and October 3, 2026 respectively.
| Parameter | King Sound | i 标记 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 22 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 9.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 19 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Waytronic Electronics Company Limited | 鉴 刘 |
In-app purchases
King Sound
No in-app purchases
i 标记
No in-app purchases









