# Sound XP vs S1, S2 Speaker Controller App

The clearest difference is rating: S1, S2 Speaker Controller App at 4.5 against Sound XP's 3.2. S1, S2 Speaker Controller App also leads on update cadence (daily vs every 4 months). Sound XP's advantage is in-app purchases (none vs 1) and ratings volume (126 vs 32). On price, ads and device support there is nothing between them.

Both are free to download. S1, S2 Speaker Controller App sells 1 in-app purchase, starting at $6.99 per 7 days. Sound XP asks for nothing beyond the download.

S1, S2 Speaker Controller App holds the better App Store score, 4.5 against 3.2. Both are backed by a comparable volume of ratings — 126 and 32 respectively.

Sound XP ships an update every 4 months, S1, S2 Speaker Controller App daily. Both last shipped on October 24, 2026.

## The numbers

| Metric | Sound XP | S1, S2 Speaker Controller App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (126 ratings)](https://appshunter.io/ios/app/sound-xp/id1496116365/reviews) | **[4.5 (32 ratings)](https://appshunter.io/ios/app/s1-s2-speaker-controller-app/id6511240452/reviews)** |
| Number of ratings | **126** | 32 |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Daily** |
| Monetization | **Free** | Freemium |
| Size | 74 MB | 18 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ION Audio](https://appshunter.io/developer/456471027) | [Jonas Endthaller](https://appshunter.io/developer/1771385320) |

## What reviewers say

### Sound XP

[App page](https://appshunter.io/ios/app/sound-xp/id1496116365)

Control your compatible ION speaker remotely to adjust volume, lighting, and equalizer settings. You can also change input sources, check battery status, and manage radio stations and presets from up to 100 feet away. This app enhances your audio experience by providing convenient access to speaker functions.

**Highlights:** Remote speaker control, Volume adjustment, Lighting control, Equalizer settings, Input source selection, Battery status check, Radio station management

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to navigate interface
- 🎵 Good FM radio control through app
- 🔊 Allows EQ adjustment via phone
- 💡 Convenient remote control of speaker features
- 🎨 Light control customization options

**What reviewers complain about**

- 🐛 Frequent Bluetooth connection failures
- 🐛 App crashes regularly
- 🔄 Requires constant reconnection after closing app
- 📍 Invasive location permission requirement
- 🔌 Requires internet connection to function

**Reported bugs**

- App won't connect to speaker despite Bluetooth being enabled
- Connection drops after a few seconds
- App crashes on launch
- Settings reset when speaker is powered off
- EQ changes don't save or apply correctly

**Requested features**

- Power on/off button in app
- Battery percentage display
- Save custom EQ presets
- Save light settings and voice prompt preferences
- Dark mode background option


### S1, S2 Speaker Controller App

[App page](https://appshunter.io/ios/app/s1-s2-speaker-controller-app/id6511240452)

Transform your device into a powerful speaker controller and microphone. Stream music from your library, amplify your voice for karaoke or presentations, and record and play back sound clips. Enjoy unlimited access to all features with a premium subscription.

**Highlights:** Stream music from phone library, Live microphone functionality, Record and play sound clips, Adjust volume, WiFi and Bluetooth connectivity

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week Pro With 3 Days Trial | $6.99 | per 7 days |


## Frequently asked questions

### Is Sound XP free?

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

### Is S1, S2 Speaker Controller App free?

S1, S2 Speaker Controller App is free to download, with in-app purchases available.

### Which has better reviews, Sound XP or S1, S2 Speaker Controller App?

S1, S2 Speaker Controller App is rated higher. Sound XP averages 3.2 out of 5 from 126 ratings, while S1, S2 Speaker Controller App averages 4.5 from 32 ratings.

### Do Sound XP or S1, S2 Speaker Controller App have ads?

Neither Sound XP nor S1, S2 Speaker Controller App shows ads.

### Which is updated more often, Sound XP or S1, S2 Speaker Controller App?

Sound XP ships an update every 4 months, and S1, S2 Speaker Controller App daily. Most recently, Sound XP was updated on October 24, 2026 and S1, S2 Speaker Controller App on October 24, 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.*