EWATT vs BLE
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EWATT
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本应用是用于智能锂电池管理系统的工具软件。App使用低功耗蓝牙与电池管理系统（BMS）建立连接，可通过手机设备读取电池信息。
BLE
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此 APP 是蓝牙应用，我们的客户在购买了 Queclink G3/ZK 系列的设备后，可以开启设备上的蓝牙扫描功能，然后客户手机下载此 APP，通过访问sql来登录账号，并用手机去连接扫描蓝牙配件，这样就可以去查询和配置iot设备的相关数据。所有数据均在蓝牙连接下操作，客户也可以选择将本地的日志通过ftp上传至服务器来排查问题。 由于此 APP 是配套应用，会使用 http，无加密需求，故没有使用 https，是正常的。
Screenshots
Verdict
EWATT and BLE are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support 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.
| Parameter | EWATT | BLE |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 24 MB | 28 MB |
| Age rating | 17+ | 4+ |
| Developer | 帆 刘 | Queclink Wireless Solutions Co.,Ltd |
In-app purchases
EWATT
No in-app purchases
BLE
No in-app purchases
