eTag Tool vs BLE Ink
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
eTag Tool
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This application is a Bluetooth tool for electronic shelf labels, used for configuring parameters of label devices, such as setting up Wi-Fi networks, working modes, firmware upgrades, etc.
BLE Ink
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BLE Ink 是一款专为电子墨水屏(E-Ink / EPD)设计的蓝牙传图工具。通过低功耗蓝牙(BLE)连接您的墨水屏设备,轻松传输图片和文字内容。 【主要功能】 • 蓝牙扫描与连接:快速发现附近的 EPD 蓝牙设备,一键配对 • 图片传输:支持从相册选择图片,自动缩放适配屏幕 • 多种抖动算法:Floyd-Steinberg、Atkinson、Sierra Lite、Burkes、Stucki 等十多种算法 • 四色/三色/黑白模式:适配不同类型墨水屏(支持黑、白、红、黄四色) • 文字模式:输入文字并设置字体、字号、加粗、斜体,生成预览后发送 • 实时预览:发送前预览处理后效果,所见即所得 【适用设备】 本应用需配合基于 nRF5 系列芯片的自制或开源 EPD 墨水屏硬件使用。 注意:应用本身不包含墨水屏硬件,需要您已有兼容的蓝牙 EPD 设备。
Screenshots
Verdict
The clearest difference is iOS requirement: eTag Tool at 13.0 against BLE Ink's 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.
| Parameter | eTag Tool | BLE Ink |
|---|---|---|
| Price | Free | Free |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 33 MB | 2 MB |
| Age rating | 4+ | 17+ |
| Developer | PAVO Technology Co., Ltd. | 强 陆 |
In-app purchases
eTag Tool
No in-app purchases
BLE Ink
No in-app purchases









