# VBus®Touch Trainer vs COSMO Regler

The clearest difference is in-app purchases: COSMO Regler at none against VBus®Touch Trainer's 12. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. VBus®Touch Trainer sells 12 one-off in-app purchases. COSMO Regler asks for nothing beyond the download.

VBus®Touch Trainer ships an update every 7 months, COSMO Regler every 8 months. The most recent releases landed on September 7, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | VBus®Touch Trainer | COSMO Regler |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 8 months |
| Size | 40 MB | 13 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [RESOL GmbH](https://appshunter.io/developer/369420321) | [COSMO GmbH](https://appshunter.io/developer/977173823) |

## What reviewers say

### VBus®Touch Trainer

[App page](https://appshunter.io/ios/app/vbustouch-trainer/id930456293)

**Features:** macOS Compatibility

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RESOL DeltaSol® BS/4 | $4.99 | one-time |
| RESOL DeltaTherm® E | $4.99 | one-time |
| RESOL DeltaSol® TT | $4.99 | one-time |
| RESOL DeltaSol® BX Plus | $9.99 | one-time |
| RESOL DeltaSol® BX | $9.99 | one-time |
| RESOL DeltaTherm® PV | $9.99 | one-time |
| RESOL DeltaTherm® PV MAX | $9.99 | one-time |
| RESOL DeltaTherm® HC Plus | $9.99 | one-time |
| RESOL DeltaSol® MX | $19.99 | one-time |
| RESOL DeltaTherm® HC MAX | $19.99 | one-time |
| RESOL FWR | $19.99 | one-time |
| SolarVenti SControl | $64.99 | one-time |


### COSMO Regler

[App page](https://appshunter.io/ios/app/cosmo-regler-trainer/id977173824)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is VBus®Touch Trainer free?

VBus®Touch Trainer is free to download, with in-app purchases available.

### Is COSMO Regler free?

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

### Do VBus®Touch Trainer or COSMO Regler have ads?

Neither VBus®Touch Trainer nor COSMO Regler shows ads.

### Which is updated more often, VBus®Touch Trainer or COSMO Regler?

VBus®Touch Trainer ships an update every 7 months, and COSMO Regler every 8 months. Most recently, VBus®Touch Trainer was updated on September 7, 2026 and COSMO Regler on September 6, 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.*