Audio System vs 4.2P SP
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Audio System
Control your Audio System speaker devices, amplifiers, and WiFi products. Stream music from various services, manage playback modes, and adjust volume and audio settings for a seamless audio experience.
- Control speaker devices and amplifiers
- Manage WiFi audio products
- Team playback for multiple devices
- Switch audio source modes (WiFi, Bluetooth, Aux, HDMI, Optical)
- Adjust volume, left/right channel
- Stream from iHeartRadio, Spotify, Qobuz, TIDAL, Tunein, Napster
- Play locally stored music
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The Audio System App is used to control Audio System speaker devices, Audio System audio amplifiers, Audio System WiFi products, or other speaker devices with built-in Audio System sound source boards or amplifier boards. The Audio System App provides functions: let different Audio System devices on the same network play the same music in a team; Control the device to switch among different audio source modes, such as WiFi, Bluetooth, Aux in, HDMI, Optical etc.; Control the volume, left and right channel and so on. The streaming media services provided by the Audio System App include: iHeartRadio, Spotify, Qobuz, TIDAL, Tunein, Napster and other radio, podcast or music platforms. Audio System App can parse and convert these streaming audios, and then send them to Audio System devices via WiFi for lossless playback. Besides online music, the APP also supports pushing locally stored music to the speaker for playback.
4.2P SP
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4.2P SP是4.2P SP音箱配套的蓝牙遥控应用，旨在让用户方便地使用4.2P SP音箱，并解锁音箱更多的高阶设置。 主要功能： 1 调整音量。 2 选择输入通道。 3 设置唱机通道为MM/MC输入，并可以选择通道的输入阻抗。 4 显示音箱的状态信息。 5 设置低音信号输出的截止频率以及增益。 6 设置低音喇叭的增益。 7 设置等响度功能。 8 分别设置高中低音3段EQ的频率，Q值以及增益。
Screenshots
Verdict
The clearest difference is update cadence: 4.2P SP at every 2 months against Audio System's every 5 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.
Audio System ships an update every 5 months, 4.2P SP every 2 months. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.
| Parameter | Audio System | 4.2P SP |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| Update frequency | Every 5 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 137 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | 春红 韦 | 健雏 何 |
In-app purchases
Audio System
No in-app purchases
4.2P SP
No in-app purchases
