# Ersa TRACE vs symmedia Hub

The clearest difference is iOS requirement: Ersa TRACE at 12.0 against symmedia Hub's 15.1. 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.

Ersa TRACE ships an update every 5 months, symmedia Hub every 4 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Ersa TRACE | symmedia Hub |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 months** |
| Monetization | Free | — |
| Size | 38 MB | 27 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ersa GmbH](https://appshunter.io/developer/1484598243) | [symmedia GmbH](https://appshunter.io/developer/1071728170) |

## What reviewers say

### Ersa TRACE

[App page](https://appshunter.io/ios/app/ersa-trace/id1552856743)

This app enables smart operation of an IoT soldering station via smartphone or web application. It provides real-time temperature display, parameter control for single or multiple stations, and extensive traceability functions.

**Highlights:** Real-time temperature display, Target temperature setting, Soldering parameter control, Multi-station management, Web application integration, Traceability functions

**In-app purchases:** none


### symmedia Hub

[App page](https://appshunter.io/ios/app/symmedia-hub/id1618018179)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ersa TRACE free?

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

### Is symmedia Hub free?

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

### Do Ersa TRACE or symmedia Hub have ads?

Neither Ersa TRACE nor symmedia Hub shows ads.

### Which is updated more often, Ersa TRACE or symmedia Hub?

Ersa TRACE ships an update every 5 months, and symmedia Hub every 4 months. Most recently, Ersa TRACE was updated on October 24, 2026 and symmedia Hub on October 27, 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.*