# VBusTouch free vs Bauviewer

The clearest difference is iOS requirement: VBusTouch free at 7.0 against Bauviewer's 13.0. 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.

VBusTouch free ships an update every 24 months, Bauviewer every 20 months. The most recent releases landed on October 6, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | VBusTouch free | Bauviewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (4 ratings)](https://appshunter.io/ios/app/vbustouch-free/id325152686/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 20 months** |
| Monetization | Free | — |
| Size | 4 MB | 5 MB |
| Requires iOS | **7.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [RESOL GmbH](https://appshunter.io/developer/369420321) | [VALEO IT Neteye](https://appshunter.io/developer/1057248345) |

## What reviewers say

### VBusTouch free

[App page](https://appshunter.io/ios/app/vbustouch-free/id325152686)

Monitor and visualize solar system data and progression charts from anywhere in the world. Requires a RESOL controller with a VBus interface and a datalogger connected to the internet.

**Highlights:** Live data display, Progression charts, Hydraulic scheme view, Landscape orientation chart display, Portrait orientation data display

**Features:** macOS Compatibility

**In-app purchases:** none


### Bauviewer

[App page](https://appshunter.io/ios/app/bauviewer/id1057248346)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is VBusTouch free free?

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

### Is Bauviewer free?

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

### Do VBusTouch free or Bauviewer have ads?

Neither VBusTouch free nor Bauviewer shows ads.

### Which is updated more often, VBusTouch free or Bauviewer?

VBusTouch free ships an update every 24 months, and Bauviewer every 20 months. Most recently, VBusTouch free was updated on October 6, 2026 and Bauviewer on September 30, 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.*