DS18 DSP vs Marts Digital
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DS18 DSP
Control specific digital sound processor models with a smartphone or tablet. Adjust channels, gain, crossovers, limiters, and equalization in real-time. Features a demo mode for learning and battery/limiter monitoring.
- Channels Routing
- General and Channels Gain
- Crossover Settings
- Limiter Control
- Input/Output Equalizer
- Time Alignment
- Configurable Memories
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This application is designed to control only these DSP models: DSP2.6DBT, DSP2.8DBT and DSP4.8BTM. Now with a simple and intuitive interface you can manage your sound system completely using the following settings: • Channels Routing • General Gain • Channels Gain • Crossover • Limiter • Input Equalizer • Output Equalizer • Phase Selector • Time Alignment • Configurable Memories • Battery Monitoring • Limiter Monitoring Through a didactic and intuitive interface, it is possible do all the DSP configurations from this App using a smartphone or tablet, making easier the system adjustments, it can be done from your audio system in real time and there is a demo mode for the people who don't have some experience with this yet and can learn how it works.
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 review sentiment: DS18 DSP at 100% against Marts Digital's 0%. DS18 DSP also leads on rating (4.2 vs 2.2) and update cadence (every 2 days vs every 17 months). On price, ratings volume, 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.
DS18 DSP holds the better App Store score, 4.2 against 2.2. Both are backed by a comparable volume of ratings — 5 and 12 respectively. Written reviews point the same way: 100% of DS18 DSP's written reviews are positive against 0% of Marts Digital's.
DS18 DSP ships an update every 2 days, Marts Digital every 17 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | DS18 DSP | Marts Digital |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (5 ratings) — better | 2.2 (12 ratings) |
| Positive reviews | 100.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 5 | 12 — better |
| Update frequency | Every 2 days — better | Every 17 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 12.2 |
| Further details — not scored | ||
| Size | 76 MB | 59 MB |
| Age rating | 4+ | 4+ |
| Developer | SPIRIT LLC | Guang Dong Sound Power |
Customer experience
DS18 DSP
Marts Digital
In-app purchases
DS18 DSP
No in-app purchases
Marts Digital
No in-app purchases
