DSI vs AUDIIO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DSI
This app provides comprehensive tools to fine-tune your car audio system with a digital signal processor. It offers a straightforward interface for adjusting equalization, phase, crossover, and time alignment for optimal sound.
- Bluetooth 4.0 compatible
- 6 customizable presets
- 10-band parametric EQ per channel
- Phase correction
- Crossover adjustments
- Time alignment
- Input summing and linking
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The DSI-2 app is designed for use with the DD Audio DSI-2 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 4.0 compatible - 6 customizable presets - 10 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
AUDIIO
Visualize audio in real-time with various data graphs like RTA Bar, FFT, and Spectrogram. Offers full octave and 1/3 octave analysis with linear or logarithmic scales. Displays peak and current dB data in a sleek, functional interface.
- Real-time audio analysis
- RTA Bar / Line Graph
- FFT and Spectrogram visualization
- Full Octave and 1/3 Octave analysis
- Linear / Logarithmic scale
- Peak and current dB data
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Audiio is a real-time audio analyzer app. - Visualize audio in various data graph (RTA Bar / Line Graph, FFT, Spectrogram) - Full Octave, 1/3 Available - Linear / Logarithm scale at your disposal - Peak dB data / current dB data - Sleek UI (Functional & Elegant)
Screenshots
Verdict
The clearest difference is review sentiment: DSI at 57% against AUDIIO's 0%. DSI also leads on in-app purchases (none vs 1) and ads (none vs shown). AUDIIO's advantage is rating (4.3 vs 3.8) and ratings volume (97 vs 8). On price 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. AUDIIO sells 1 one-off in-app purchase. DSI asks for nothing beyond the download.
AUDIIO holds the better App Store score, 4.3 against 3.8. That said, the two scores are not equally well evidenced: AUDIIO has 97 ratings behind it against 8, so its average is the more settled of the two. Written reviews complicate that: 57% of DSI's written reviews are positive against 0% of AUDIIO's, so the app with the better star average is not the one people write more warmly about.
DSI ships an update every 7 months, AUDIIO every 3 months. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.
| Parameter | DSI | AUDIIO |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (8 ratings) | 4.3 (97 ratings) — better |
| Positive reviews | 57.1% of reviews — better | 0.0% of reviews |
| Number of ratings | 8 | 97 — better |
| Update frequency | Every 7 months | Every 3 months — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 8.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 38 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | DD Audio | BetaMatters |
Customer experience
DSI
AUDIIO
In-app purchases
DSI
No in-app purchases
AUDIIO
- No Ads$4.99
