# SVS vs AD DSP

The clearest difference is rating: SVS at 4.2 against AD DSP's 2.3. SVS also leads on update cadence (every 2 months vs every 13 months) and ratings volume (95 vs 6). AD DSP's advantage is review sentiment (100% vs 68%). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SVS holds the better App Store score, 4.2 against 2.3. That said, the two scores are not equally well evidenced: SVS has 95 ratings behind it against 6, so its average is the more settled of the two. Written reviews complicate that: 68% of SVS's written reviews are positive against 100% of AD DSP's, so the app with the better star average is not the one people write more warmly about.

SVS ships an update every 2 months, AD DSP every 13 months. The most recent releases landed on September 15, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | SVS | AD DSP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (95 ratings)](https://appshunter.io/ios/app/svs/id1148462104/reviews)** | [2.3 (6 ratings)](https://appshunter.io/ios/app/ad-dsp-at/id1503273740/reviews) |
| Number of ratings | **95** | 6 |
| Positive reviews | 68.5% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 13 months |
| Monetization | Free | Free |
| Size | 34 MB | 76 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Specialty Technologies, LLC.](https://appshunter.io/developer/1148462103) | [Aaron White](https://appshunter.io/developer/1500217539) |

## What reviewers say

### SVS

[App page](https://appshunter.io/ios/app/svs/id1148462104)

Control and optimize your SVS subwoofer's performance with advanced DSP features. Adjust volume, fine-tune audio for music and movies, and correct room anomalies for the deepest, tightest bass.

**Highlights:** Advanced DSP functionality, Room anomaly correction, Customizable presets, Volume control, Low pass filter adjustment, Parametric EQ, Port tuning

**In-app purchases:** none

**What reviewers like**

- 👍 Great app for subwoofer control
- 🚀 Intuitive and easy to use
- 💡 Powerful functionality at fingertips
- ✨ Excellent for fine-tuning settings
- ✅ Works reliably for many users

**What reviewers complain about**

- 🐛 Connectivity issues
- 🐛 App crashes frequently
- 🐛 Preset saving issues
- 🐛 Not intuitive for multiple subs
- 🐛 Lacks auto room correction

**Reported bugs**

- App crashes frequently
- Never reconnects to sub, requires reinstallation
- Preset saving is unreliable or doesn't work
- Bluetooth connection issues (out of range, drops)
- Phantom BLE connection locks out other devices

**Requested features**

- Group subs for simultaneous adjustments
- Mute function
- Auto room correction
- Widget for quick preset changes
- Apple Watch app for adjustments


### AD DSP

[App page](https://appshunter.io/ios/app/ad-dsp-at/id1503273740)

This application allows for the tuning of Audio Dynamics DSP amplifiers through a Bluetooth connection. It offers advanced audio processing features like graphic/parameter EQ, delay, and intelligent room calibration. Save and recall multiple audio scenes for personalized sound experiences.

**Highlights:** Bluetooth amplifier tuning, 6-channel analog input, 8-channel analog output, 31 band Graphic/Parameter EQ, Intelligent Room Calibration (IRC), 10 save scenes, Multiple input source selection

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SVS free?

SVS is free to download, with no in-app purchases.

### Is AD DSP free?

AD DSP is free to download, with no in-app purchases.

### Which has better reviews, SVS or AD DSP?

SVS is rated higher. SVS averages 4.2 out of 5 from 95 ratings, while AD DSP averages 2.3 from 6 ratings.

### Do SVS or AD DSP have ads?

Neither SVS nor AD DSP shows ads.

### Which is updated more often, SVS or AD DSP?

SVS ships an update every 2 months, and AD DSP every 13 months. Most recently, SVS was updated on September 15, 2026 and AD DSP on September 10, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*