EDSP31 vs PXA
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EDSP31
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Products features: 1.DSP settings and adjustments made with smart phone APP 2.Selectable Audio Input：High Level or Low Level 3.8 Independently assignable low-level outputs 4.Selectable crossover slopes（6,12,18,24,30,36,42,48 dB/octave） 5.31band graphic EQ with fine tuning 6.Adjustable high, band-pass, or low-pass filters（20KHz-20Hz） 7.Phase adjustment：switchable 0/180 degrees on all output channels
PXA
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PXA-800是一款针对汽车DSP功放的音效处理器无线蓝牙控制管理器.
Screenshots
Verdict
EDSP31 and PXA 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.
EDSP31 ships an update every 6 weeks, PXA every 2 months. The most recent releases landed on September 21, 2026 and December 4, 2025 respectively.
| Parameter | EDSP31 | PXA |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 9.0 | 9.0 |
| Further details — not scored | ||
| Size | 33 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | DB Research L.L.P. | Zhuhai HiVi Technology Co.,Ltd |
In-app purchases
EDSP31
No in-app purchases
PXA
No in-app purchases
