# S1 & S2 Speaker Controller vs HydraTek

The clearest difference is price: S1 & S2 Speaker Controller at Free against HydraTek's $0.99. HydraTek's advantage is in-app purchases (none vs 14) and ads (none vs shown). On device support there is nothing between them.

S1 & S2 Speaker Controller is free to download; HydraTek costs $0.99 up front. S1 & S2 Speaker Controller sells 14 in-app purchases, starting at $2.99 per 7 days. HydraTek asks for nothing beyond the download.

S1 & S2 Speaker Controller ships an update monthly, HydraTek daily. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | S1 & S2 Speaker Controller | HydraTek |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.4 (12K ratings)](https://appshunter.io/ios/app/s1-and-s2-speaker-controller/id1530321703/reviews)** | — |
| Number of ratings | **12K** | — |
| Positive reviews | 14.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 155 MB | 17 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [UNIVERSAL REMOTE LABS COMPANY LIMITED](https://appshunter.io/developer/1524909391) | [HYDRONET LLC](https://appshunter.io/developer/1895987534) |

## What reviewers say

### S1 & S2 Speaker Controller

[App page](https://appshunter.io/ios/app/s1-and-s2-speaker-controller/id1530321703)

Transform your phone into a powerful speaker controller. Stream music from your library, use your phone as a live microphone for karaoke or presentations, and record and play sound clips on demand. Enjoy enhanced control and functionality for your speakers.

**Highlights:** Stream music from phone library, Live microphone functionality, Record and play sound clips, Volume adjustment, Wi-Fi and Bluetooth connectivity

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

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Trial Subscription | $2.99 | per 7 days |
| Weekly Trial Subscription | $3.99 | per 7 days |
| Weekly Premium | $4.99 | per 7 days |
| Weekly Trial Subscription | $5.99 | per 7 days |
| Weekly Trial | $6.99 | per 7 days |
| Monthly Nontrial | $6.99 | per month |
| Monthly Non Trial | $11.99 | per month |
| Monthly Nontrial 2 | $12.99 | per month |
| Yearly Subscription | $17.99 | per year |
| Yearly Subscription | $24.99 | per year |
| Yearly Subscription | $29.99 | per year |
| Lifetime Subcription | $24.99 | one-time |
| Lifetime 3 | $29.99 | one-time |
| Lifetime Offer | $29.99 | one-time |

**What reviewers like**

- 🚀 Easy to connect
- 👍 Great sound quality
- 💡 Useful for presentations

**What reviewers complain about**

- 🐛 Frequent crashes
- 💰 Expensive subscription
- 🔒 Security concerns
- 🔌 Connectivity issues
- 📚 Confusing setup

**Reported bugs**

- App freezes during use
- Cannot connect to WiFi
- Volume controls not working

**Requested features**

- Ability to play from playlists
- Support for more music services
- Better integration with smart home devices


### HydraTek

[App page](https://appshunter.io/ios/app/hydratek/id6765545053)

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

**In-app purchases:** none


## Frequently asked questions

### Is S1 & S2 Speaker Controller free?

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

### Is HydraTek free?

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

### Do S1 & S2 Speaker Controller or HydraTek have ads?

S1 & S2 Speaker Controller shows ads; HydraTek does not.

### Which is updated more often, S1 & S2 Speaker Controller or HydraTek?

S1 & S2 Speaker Controller ships an update monthly, and HydraTek daily. Most recently, S1 & S2 Speaker Controller was updated on October 25, 2026 and HydraTek 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.*