# VBus®Touch Trainer vs FlowCon

The clearest difference is in-app purchases: FlowCon at none against VBus®Touch Trainer's 12. FlowCon also leads on update cadence (every 3 months vs every 7 months) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

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

VBus®Touch Trainer ships an update every 7 months, FlowCon every 3 months. The most recent releases landed on September 24, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | VBus®Touch Trainer | FlowCon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/flowcon/id1407271824/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | — | Free |
| Size | 40 MB | 22 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [RESOL GmbH](https://appshunter.io/developer/369420321) | [FlowCon International ApS](https://appshunter.io/developer/1402692518) |

## 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 |


### FlowCon

[App page](https://appshunter.io/ios/app/flowcon/id1407271824)

Monitor HVAC coil performance with real-time data on temperature, pressure, and heat transfer. Access technical documentation, instructions, and animations for valve control. Connects directly via Bluetooth to compatible devices.

**Highlights:** Bluetooth connectivity, Real-time performance monitoring (ΔT, ΔP, flow rate, BTU), Access to tech notes, instructions, and animations, Direct website and email contact, Adjustable measurements, Multilingual support (English, Chinese, Russian)

**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 FlowCon free?

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

### Do VBus®Touch Trainer or FlowCon have ads?

Neither VBus®Touch Trainer nor FlowCon shows ads.

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

VBus®Touch Trainer ships an update every 7 months, and FlowCon every 3 months. Most recently, VBus®Touch Trainer was updated on September 24, 2026 and FlowCon on September 15, 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.*