# S4C vs Emonio

The clearest difference is review sentiment: Emonio at 100% against S4C's 0%. S4C's advantage is iOS requirement (11.0 vs 14.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 16, 2026 and July 2, 2026 respectively.

## The numbers

| Metric | S4C | Emonio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/s4c-us/id1511502113/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 38 MB | 17 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SUTO iTEC (China) Co. Ltd](https://appshunter.io/developer/1511502112) | [Emonio GmbH](https://appshunter.io/developer/1510373243) |

## What reviewers say

### S4C

[App page](https://appshunter.io/ios/app/s4c-us/id1511502113)

This utility app allows users to configure a specific ultrasonic sensor model. It provides real-time data visualization from the connected sensors, aiding in setup and monitoring.

**Highlights:** Configure ultrasonic sensor S461, View real-time sensor data, Sensor monitoring, US configuration

**Features:** macOS Compatibility

**In-app purchases:** none


### Emonio

[App page](https://appshunter.io/ios/app/emonio/id1546715574)

This utility app allows users to connect to and manage their Emonio device. You can configure settings, monitor energy consumption, download files, and view logs directly from your mobile device.

**Highlights:** Configure Emonio device, Check energy consumption, Change device settings, Download files, View latest log

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is S4C free?

S4C is free to download, with no in-app purchases.

### Is Emonio free?

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

### Do S4C or Emonio have ads?

Neither S4C nor Emonio shows ads.

### Which is updated more often, S4C or Emonio?

S4C ships an update every 2 months, and Emonio every 2 months. Most recently, S4C was updated on September 16, 2026 and Emonio on July 2, 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.*