EDSP4 vs DSP
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EDSP4
A convenient and professional tuning app with Bluetooth 4.0 support. It offers 6 sound effect modes and 31-band EQ adjustment for a unique audio experience. The interface includes a player that supports USB playback.
- Bluetooth 4.0 connectivity
- 6 built-in sound effect modes
- 31-band equalizer adjustment
- Player interface
- USB playback support
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一个便捷专业的调音APP，支持4.0蓝牙，内置6种音效模式，31段EQ调节。让您有不一样的听觉享受。播放器界面，支持U盘播放。
DSP
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这是一款通过蓝牙连接DSP智能设备的调音软件
Screenshots
Verdict
The clearest difference is iOS requirement: EDSP4 at 9.0 against DSP's 15.5. On price, update cadence, ads and in-app purchases 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.
EDSP4 ships an update every 19 months, DSP every 13 months. The most recent releases landed on October 11, 2026 and October 16, 2026 respectively.
| Parameter | EDSP4 | DSP |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| Update frequency | Every 19 months | Every 13 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 9.0 — better | 15.5 |
| Further details — not scored | ||
| Size | 51 MB | 5 MB |
| Age rating | 4+ | 17+ |
| Developer | Cheng Pu Chiang | 东山 谢 |
In-app purchases
EDSP4
No in-app purchases
DSP
No in-app purchases
