# S1 & S2 Speaker Controller vs TM2 Interface

The clearest difference is in-app purchases: TM2 Interface at none against S1 & S2 Speaker Controller's 14. TM2 Interface also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. S1 & S2 Speaker Controller sells 14 in-app purchases, starting at $2.99 per 7 days. TM2 Interface asks for nothing beyond the download.

S1 & S2 Speaker Controller ships an update monthly, TM2 Interface every 3 weeks. The most recent releases landed on September 30, 2026 and May 19, 2026 respectively.

## The numbers

| Metric | S1 & S2 Speaker Controller | TM2 Interface |
| --- | --- | --- |
| Price | Free | Free |
| 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 | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 155 MB | 10 MB |
| Requires iOS | **15.6** | 16.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [UNIVERSAL REMOTE LABS COMPANY LIMITED](https://appshunter.io/developer/1524909391) | [Chargetek Inc.](https://appshunter.io/developer/1749716980) |

## 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


### TM2 Interface

[App page](https://appshunter.io/ios/app/tm2-interface/id6503637948)

**Features:** macOS Compatibility

**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 TM2 Interface free?

TM2 Interface is free to download, with no in-app purchases.

### Do S1 & S2 Speaker Controller or TM2 Interface have ads?

S1 & S2 Speaker Controller shows ads; TM2 Interface does not.

### Which is updated more often, S1 & S2 Speaker Controller or TM2 Interface?

S1 & S2 Speaker Controller ships an update monthly, and TM2 Interface every 3 weeks. Most recently, S1 & S2 Speaker Controller was updated on September 30, 2026 and TM2 Interface on May 19, 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.*