音频助手 vs XTracer+
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
音频助手
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欢迎使用音频助手，您可以进行房间声学特性测量,记录并比较多次测量的结果，声级计（SPL）、实时分析仪（RTA）、扫频及指定频率音频信号发生器（GENERATOR）。并且支持连接声卡搭配专业测量麦克风进行更专业的测量，也可以采用蓝牙连接进行简易测量。
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！
Screenshots
Verdict
音频助手 and XTracer+ 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.
Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 3, 2026 and October 1, 2026 respectively.
| Parameter | 音频助手 | XTracer+ |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 33 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Yuemei Technology Co.,Ltd | 万波 姜 |
In-app purchases
音频助手
No in-app purchases
XTracer+
No in-app purchases
