SM Signal vs EE
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SM Signal
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SM Signal是基于蓝牙技术开发的一款控制汽车改装指定灯具的程序，在连接匹配蓝牙灯具成功后，可以实现对长条灯、工作灯、驾驶灯、警示灯、旋转灯、氛围灯等的控制。本应用可实现的功能有：控制开关、对光型、色温、亮度、频闪、警示灯频闪、旋转方向及速度等进行调节控制；
EE
This application serves as a battery management system, acting as a crucial link between batteries and users. It focuses on protecting secondary batteries by preventing overcharging and over-discharging, thereby enhancing battery utilization. It is suitable for various lithium battery products like electric vehicles, scooters, robots, and drones.
- Battery protection
- Prevents overcharging
- Prevents over-discharging
- Increases battery utilization
- Supports various lithium batteries
- Ideal for EVs and drones
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电池管理系统（BMS）是电池与用户之间的纽带 ，主要对象是对二次电池的保护，就是为了能够提高电池的利用率，防止电池出现过度充电和过度放电，可用于电动汽车，电瓶车，机器人，无人机等各种锂电池产品
Screenshots
Verdict
The clearest difference is update cadence: EE at every 2 months against SM Signal's every 11 months. SM Signal's advantage is iOS requirement (8.0 vs 11.0). 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.
SM Signal ships an update every 11 months, EE every 2 months. The most recent releases landed on October 26, 2026 and October 21, 2026 respectively.
| Parameter | SM Signal | EE |
|---|---|---|
| Price | Free | Free |
| Rating | — | 2.1 (10 ratings) — better |
| Positive reviews | — | 12.5% of reviews |
| Number of ratings | — | 10 — better |
| Update frequency | Every 11 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 8.0 — better | 11.0 |
| Further details — not scored | ||
| Size | 5 MB | 7 MB |
| Age rating | 4+ | 17+ |
| Developer | Foshan Sanmak Lighting | 步泽 王 |
In-app purchases
SM Signal
No in-app purchases
EE
No in-app purchases
