XTracer+ vs RDWelder
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
XTracer+
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无需电脑客户端软件，通过手机APP连接XTracer智能电子管图示仪，即可360度实现电子管特性曲线扫描相关操作，包括但不局限于以下功能： 1. 特性曲线完整扫描； 2. 特定工作点静态参数扫描； 3.管脚信号配置模板化，扫描信号自动配置； 4. 扫描参数模板化，云端存储分享；也可以从云端导入官方或其他玩家分享的参数模板； 5. 扫描报告云端存储，分享功能； 6. 扫描报告本地配对功能； 7. 共享实测扫描特性曲线报告云数据库； 8. 其他基础支撑功能 【温馨提示】 APP在执行电子管特性曲线测量时候会持续使用蓝牙连接，用来把设备端的数据传送给手机APP，切换至后台运行时，会保持手机的蓝牙连接用于数据传输，相比其他操作会消耗更多的电量。 XTracer，开启电子管特性曲线扫描新境界！
RDWelder
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APP name: RDWelder APP specific use: Laser Welding Assistant is an APP that assists users in laser welding processing. The mobile APP is directly connected to the processing equipment to achieve wireless communication, providing users with portable operations and solving the spatial distance problem between the handheld gun head and the equipment; supporting remote assistance, manufacturers or users can remotely view the equipment status, grasp the equipment operation status in real time, and provide remote maintenance services; rich technical center resources, including product introduction instructions, product manuals, product usage tutorials, product maintenance tutorials, etc.
Screenshots
Verdict
XTracer+ and RDWelder are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases 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.
XTracer+ ships an update monthly, RDWelder every 5 weeks. The most recent releases landed on July 22, 2026 and September 12, 2026 respectively.
| Parameter | XTracer+ | RDWelder |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 13 |
| Further details — not scored | ||
| Size | 38 MB | 132 MB |
| Age rating | 4+ | 17+ |
| Developer | 万波 姜 | 深圳市睿达科技有限公司 |
In-app purchases
XTracer+
No in-app purchases
RDWelder
No in-app purchases
