BLE UART vs SmartHear
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BLE UART
This tool facilitates iOS program development by connecting to low-power Bluetooth devices. It allows users to read data from serial devices via Bluetooth and send data to the serial port for debugging purposes.
- Connects to low-power Bluetooth devices
- Reads data from RXD serial port
- Sends data to TXD serial port
- Facilitates iOS program development
- Debugging tool for serial devices
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During iOS program development, you may need to read and write serial devices. This tool connects to low-power Bluetooth devices (BT24, etc.) through the low-power Bluetooth interface on iPhone and iPad, displays the data received by RXD, and sends TXD data to the serial port, thus achieving the goal of debugging the device.
SmartHear
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SmartHear智能电子听诊器 深入大数据科学研究与应用，支持心肺听诊音采集，同时支持记录回听和云端备份。结合自主研发新一代心、肺音实时算法，以及环境音采集和算法降噪，大大提高听诊音特征表现以及环境噪音对听诊结果的影响。 SmartHear可支持医学科研服务数据采集和患者用户家庭日常监测与采集，建立听诊器数据库，并可另外选择门诊评估系统，AI辅助提供听诊结果特征参考和提示。 本APP【主要功能】 1. 引入科研课题，自定义采集位置和症状标签； 2. 支持LD-DS2-20/30型采集设备绑定与连接； 3. 支持采集心/肺听诊数据和心电数据，云端备份及支持本地回放； 4. 标记/修改听诊记录标签及症状描述； 5. 向医疗专业人员提供听诊后台数据管理系统。 【免责申明】 本应用仅提供心/肺音听诊数据的采集、存储和展示，不包含医疗问诊、医学建议等医疗服务。
Screenshots
Verdict
The clearest difference is update cadence: SmartHear at every 2 months against BLE UART's every 23 months. 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.
BLE UART ships an update every 23 months, SmartHear every 2 months. The most recent releases landed on September 7, 2026 and August 1, 2026 respectively.
| Parameter | BLE UART | SmartHear |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 23 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 6 MB | 46 MB |
| Age rating | 4+ | 4+ |
| Developer | 韩 明洁 | 上海合微智能科技有限公司 |
In-app purchases
BLE UART
No in-app purchases
SmartHear
No in-app purchases
