DSI vs CA AMP
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DSI
This application allows users to fine-tune their car audio systems using a digital signal processor. It offers comprehensive controls for equalization, crossovers, time alignment, and more, suitable for both professionals and enthusiasts.
- Bluetooth 5.0 connectivity
- 6 customizable presets
- 31-band parametric EQ per channel
- Phase correction
- Crossover adjustments
- Input/output level controls
- Time alignment
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The DSI-3 app is designed for use with the DD Audio DSI-3 digital signal processor, this app gives you the tools needed to fine tune virtually every aspect of you car audio system. Whether you’re a professional installer or an obsessive audiophile this app allows you to realize the true potential of your audio equipment with a straightforward layout and logical controls. Features: - Bluetooth 5.0 compatible - 6 customizable presets - 31 bands of parametric equalization per channel - Phase correction - Crossover type, frequency, and slope adjustments - Independent input and output level controls - Time alignment - Input summing and linking
CA AMP
This application provides comprehensive control and adjustments for amplifiers, including EQ, crossover settings, and digital time alignment. Manage all audio signal processing functions directly from your smartphone or tablet.
- Interactive audio signal processor
- EQ adjustments
- Controllable crossover (6/12/24/48 dB)
- Digital time alignment
- Grouping functionality
- Preset and custom settings memory
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CA-AMP APP is used to tune amplifiers with built-in interactive audio signal processor. It offers complete control and adjustments, such as: EQ, 6/12/24/48 dB controllable crossover, digital time alignment, grouping, preset and custom settings memory, the versatility is endless. All adjustments and DSP functionality are configured via Smartphone, Tablet or PC with the CA-AMP App installed.
Screenshots
Verdict
The clearest difference is rating: CA AMP at 4.0 against DSI's 3.0. CA AMP also leads on ratings volume (6 vs 2). DSI's advantage is iOS requirement (9.0 vs 11.0). 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.
CA AMP holds the better App Store score, 4.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 6 respectively.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 9, 2026 and June 3, 2026 respectively.
| Parameter | DSI | CA AMP |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) | 4.0 (6 ratings) — better |
| Positive reviews | — | 33.3% of reviews |
| Number of ratings | 2 | 6 — better |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 9.0 — better | 11.0 |
| Further details — not scored | ||
| Size | 12 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | DD Audio | 文栋 顾 |
Customer experience
DSI
CA AMP
In-app purchases
DSI
No in-app purchases
CA AMP
No in-app purchases
