Signal Generator vs 音频助手
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Signal Generator
Generate high-quality audio signals including sine, square, triangle, sawtooth waves, and white/pink noise. Ideal for testing audio systems, frequency response, and hearing capabilities.
- Sine wave generation
- Square wave generation
- White noise generation
- Pink noise generation
- Two-channel phase difference waves
- Audio frequency response testing
- Hearing test capabilities
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A high-quality audio Signal Generator for the iPhone. Now you can have a professional grade signal generator for your iPhone. Create sine waves, square waves, white noise, and pink noise. The signal generator can help you generate sine, square, triangle, sawtooth, white noise, pink noise signals and generate sine two-channel phase difference waves. You can use the signal generator to test your audio frequency response system, system noise scanning, headset burning machine and other scenarios. Test your hearing can hear how low the frequency of sound. Able to apply and experiment with test scenarios.
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。
Screenshots
Verdict
The clearest difference is price: 音频助手 at Free against Signal Generator's $0.99. 音频助手 also leads on update cadence (monthly vs every 15 months). Signal Generator's advantage is iOS requirement (11.0 vs 13.0). On 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
音频助手 is free to download; Signal Generator costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Signal Generator ships an update every 15 months, 音频助手 monthly. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.
| Parameter | Signal Generator | 音频助手 |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.6 (10 ratings) — better | — |
| Positive reviews | 85.7% of reviews | — |
| Number of ratings | 10 — better | — |
| Update frequency | Every 15 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 2 MB | 33 MB |
| Age rating | 12+ | 4+ |
| Developer | 龙刚 李 | Shenzhen Yuemei Technology Co.,Ltd |
In-app purchases
Signal Generator
No in-app purchases
音频助手
No in-app purchases
