# S1 & S2 Speaker Controller App vs Bubble Level

The clearest difference is in-app purchases: Bubble Level at none against S1 & S2 Speaker Controller App's 1. S1 & S2 Speaker Controller App's advantage is iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. S1 & S2 Speaker Controller App sells 1 one-off in-app purchase. Bubble Level asks for nothing beyond the download.

## The numbers

| Metric | S1 & S2 Speaker Controller App | Bubble Level |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (474 ratings)](https://appshunter.io/ios/app/s1-and-s2-speaker-controller-app/id6739945660/reviews)** | — |
| Number of ratings | **474** | — |
| Positive reviews | 10.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Free with in-app purchases | — |
| Size | 55 MB | 6 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Phu Bui](https://appshunter.io/developer/1787575789) | [璇 冯](https://appshunter.io/developer/1858747919) |

## What reviewers say

### S1 & S2 Speaker Controller App

[App page](https://appshunter.io/ios/app/s1-and-s2-speaker-controller-app/id6739945660)

Control your smart speakers and stream music effortlessly. This app allows easy connection via Wi-Fi or Bluetooth, offers a unique recording feature to cast voice notes or songs directly to your speakers, and provides a seamless audio experience.

**Highlights:** Wi-Fi and Bluetooth/Airplay connection, Seamless music streaming, Voice recording feature, Directly cast recordings to speakers, Compatibility with many smart speakers

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime | $19.99 | one-time |


### Bubble Level

[App page](https://appshunter.io/ios/app/bubble-level-spirit-level-tool/id6814698018)

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

**In-app purchases:** none


## Frequently asked questions

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

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

### Is Bubble Level free?

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

### Do S1 & S2 Speaker Controller App or Bubble Level have ads?

Neither S1 & S2 Speaker Controller App nor Bubble Level 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.*