# SVS vs CatCall

The clearest difference is price: SVS at Free against CatCall's $0.99. SVS also leads on iOS requirement (13.0 vs 18.1). On ads, in-app purchases and device support there is nothing between them.

SVS is free to download; CatCall costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | SVS | CatCall |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.2 (95 ratings)](https://appshunter.io/ios/app/svs/id1148462104/reviews)** | — |
| Number of ratings | **95** | — |
| Positive reviews | 68.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 34 MB | 9 MB |
| Requires iOS | **13.0** | 18.1 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Specialty Technologies, LLC.](https://appshunter.io/developer/1148462103) | [志平 徐](https://appshunter.io/developer/1704200756) |

## 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


### CatCall

[App page](https://appshunter.io/ios/app/catcall/id6740231299)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SVS free?

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

### Is CatCall free?

CatCall costs $0.99, with no in-app purchases.

### Do SVS or CatCall have ads?

Neither SVS nor CatCall shows ads.

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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.*