# Hi vs SVS

The clearest difference is review sentiment: SVS at 68% against Hi's 25%. SVS also leads on rating (4.2 vs 2.6) and update cadence (every 2 months vs every 15 months). Hi's advantage is iOS requirement (10.0 vs 13.0). 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 2.6. Both are backed by a comparable volume of ratings — 23 and 99 respectively. Written reviews point the same way: 25% of Hi's written reviews are positive against 68% of SVS's.

Hi ships an update every 15 months, SVS every 2 months. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Hi | SVS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (23 ratings)](https://appshunter.io/ios/app/hi-fly/id1051107518/reviews) | **[4.2 (99 ratings)](https://appshunter.io/ios/app/svs/id1148462104/reviews)** |
| Number of ratings | 23 | **99** |
| Positive reviews | 25.0% of reviews | **68.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 191 MB | 34 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dayton Audio](https://appshunter.io/developer/1051107517) | [Specialty Technologies, LLC.](https://appshunter.io/developer/1148462103) |

## What reviewers say

### Hi

[App page](https://appshunter.io/ios/app/hi-fly/id1051107518)

Transform your mobile device into a remote for Dayton Audio Hi-Fly enabled speakers. Stream music from various sources, control individual or grouped speakers for multi-room audio, and enjoy uninterrupted playback even when the app is closed or you take calls.

**Highlights:** Remote control for Hi-Fly enabled devices, Stream music from favorite providers, Stream from home network or mobile device, Individual speaker control, Group speakers for multi-room audio, Uninterrupted music playback

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Hi free?

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

### Is SVS free?

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

### Which has better reviews, Hi or SVS?

SVS is rated higher. Hi averages 2.6 out of 5 from 23 ratings, while SVS averages 4.2 from 99 ratings.

### Do Hi or SVS have ads?

Neither Hi nor SVS shows ads.

### Which is updated more often, Hi or SVS?

Hi ships an update every 15 months, and SVS every 2 months. Most recently, Hi was updated on October 24, 2026 and SVS on October 23, 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.*