DSP vs Marts Digital
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DSP
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Connect smart devices and read song information from USB drives
Marts Digital
This application allows users to debug car audio devices by adjusting various parameters via a Bluetooth connection. It provides a digital interface for fine-tuning audio settings directly from a smartphone.
- Car audio device debugging
- Bluetooth parameter adjustment
- Digital interface for audio settings
- Smartphone control
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Marts Digital is an app debugging software for car audio devices, which adjusts various parameters of the device through Bluetooth connection.
Screenshots
Verdict
The clearest difference is update cadence: DSP at every 5 months against Marts Digital's every 17 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.
DSP ships an update every 5 months, Marts Digital every 17 months. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.
| Parameter | DSP | Marts Digital |
|---|---|---|
| Price | Free | Free |
| Rating | — | 2.2 (12 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 12 — better |
| Update frequency | Every 5 months — better | Every 17 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 — better | 12.2 |
| Further details — not scored | ||
| Size | 7 MB | 59 MB |
| Age rating | 17+ | 4+ |
| Developer | 明武 伍 | Guang Dong Sound Power |
In-app purchases
DSP
No in-app purchases
Marts Digital
No in-app purchases
