# S&O vs Sennheiser Smart Control Plus

The clearest difference is rating: Sennheiser Smart Control Plus at 4.8 against S&O's 3.0. Sennheiser Smart Control Plus also leads on review sentiment (73% vs 33%) and ratings volume (5.1K vs 2). S&O's advantage is update cadence (every 2 weeks vs monthly) and iOS requirement (12.0 vs 15.0). 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.

Sennheiser Smart Control Plus holds the better App Store score, 4.8 against 3.0. That said, the two scores are not equally well evidenced: Sennheiser Smart Control Plus has 5.1K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 33% of S&O's written reviews are positive against 73% of Sennheiser Smart Control Plus's.

S&O ships an update every 2 weeks, Sennheiser Smart Control Plus monthly. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | S&O | Sennheiser Smart Control Plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/s-and-o/id1636163678/reviews) | **[4.8 (5.1K ratings)](https://appshunter.io/ios/app/sennheiser-smart-control-plus/id6448098057/reviews)** |
| Number of ratings | 2 | **5.1K** |
| Positive reviews | 33.3% of reviews | **72.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free | Free |
| Size | 138 MB | 190 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mifo Technology Co.LTD](https://appshunter.io/developer/1626708738) | [Sonova Consumer Hearing GmbH](https://appshunter.io/developer/1590168100) |

## What reviewers say

### S&O

[App page](https://appshunter.io/ios/app/s-and-o/id1636163678)

This app allows users to customize settings and optimize sound quality for supported Bluetooth headphones. It offers features like ambient sound control, personalized operation settings, and white noise for relaxation. Users can also track their earbuds' battery life.

**Highlights:** Ambient sound control (ANC), Customizable operation settings, White noise for relaxation, Battery status tracking, Sound quality optimization

**Features:** macOS Compatibility

**In-app purchases:** none


### Sennheiser Smart Control Plus

[App page](https://appshunter.io/ios/app/sennheiser-smart-control-plus/id6448098057)

This application provides advanced control and personalization for compatible Sennheiser headphones. Users can customize audio, manage noise cancellation, update firmware, and locate their devices. It offers features like Sound Zones and a Fit Test for an enhanced listening experience.

**Highlights:** Firmware Updates, Customizable Equalizer, Sound Personalization, Sound Zones, Fit Test, Find Headphones, Noise Cancellation Control

**In-app purchases:** none

**What reviewers like**

- 🍻 ANC OFF/ON control
- 👍 Seamless functionality
- 🚀 Fluid and responsive
- 💡 Customizable EQ presets
- 👍 Helpful app features

**What reviewers complain about**

- 🐛 Connectivity issues
- 🐛 Firmware update problems
- 🐛 Headphone detection problems
- 🔋 Battery life concerns
- 👎 Dysfunctional app

**Reported bugs**

- Headphones not detected in sound personalization
- Headphones not connecting to app
- Firmware update issues

**Requested features**

- Widget for easier control
- Transfer devices from old app
- iPad mode
- Audio cable options


## Frequently asked questions

### Is S&O free?

S&O is free to download, with no in-app purchases.

### Is Sennheiser Smart Control Plus free?

Sennheiser Smart Control Plus is free to download, with no in-app purchases.

### Which has better reviews, S&O or Sennheiser Smart Control Plus?

Sennheiser Smart Control Plus is rated higher. S&O averages 3.0 out of 5 from 2 ratings, while Sennheiser Smart Control Plus averages 4.8 from 5.1K ratings.

### Do S&O or Sennheiser Smart Control Plus have ads?

Neither S&O nor Sennheiser Smart Control Plus shows ads.

### Which is updated more often, S&O or Sennheiser Smart Control Plus?

S&O ships an update every 2 weeks, and Sennheiser Smart Control Plus monthly. Most recently, S&O was updated on November 3, 2026 and Sennheiser Smart Control Plus on November 7, 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.*