# ViGuide vs Flexigas Europe Sizing Tool

The clearest difference is update cadence: ViGuide at every 5 weeks against Flexigas Europe Sizing Tool's every 6 months. Flexigas Europe Sizing Tool's advantage is iOS requirement (10.3 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

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

ViGuide ships an update every 5 weeks, Flexigas Europe Sizing Tool every 6 months. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | ViGuide | Flexigas Europe Sizing Tool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (209 ratings)](https://appshunter.io/ios/app/viguide/id1421720639/reviews)** | — |
| Number of ratings | **209** | — |
| Positive reviews | 40.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 6 months |
| Monetization | Free | — |
| Size | 1.5 GB | 50 MB |
| Requires iOS | 16.0 | **10.3** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Viessmann IT Service GmbH](https://appshunter.io/developer/1801739683) | [Jamie Armour](https://appshunter.io/developer/1505005203) |

## What reviewers say

### ViGuide

[App page](https://appshunter.io/ios/app/viguide/id1421720639)

Streamline the process of commissioning Viessmann boilers with this user-friendly mobile application. It guides trained professionals through each step, ensuring a safe, efficient, and complete installation.

**Highlights:** Streamlined boiler commissioning, User-friendly mobile interface, Step-by-step guidance, Ensures complete and correct steps, Efficient installation process

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Great for service and support
- 🚀 Makes commissioning easy
- 👍 Excellent work and monitoring tool
- 👍 Top app for installers
- 👍 User-friendly interface

**What reviewers complain about**

- 🐛 App crashes frequently
- 🐛 Login issues
- 🐛 Unable to connect or commission
- 🐛 App is slow
- 🐛 Updates cause problems

**Reported bugs**

- Login screen flashes and exits
- Unable to connect or commission v100
- Mennekes Amtron 4you500 cannot be integrated
- BCU flash takes too long
- App not working on iPhone 16

**Requested features**

- Add real-time flow temperature
- Add target temperature display
- Support for landscape mode on iPad
- Include Anlage location in protocol
- Expand to entire product program


### Flexigas Europe Sizing Tool

[App page](https://appshunter.io/ios/app/flexigas-europe-sizing-tool/id1505005204)

**In-app purchases:** none


## Frequently asked questions

### Is ViGuide free?

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

### Is Flexigas Europe Sizing Tool free?

Flexigas Europe Sizing Tool is free to download, with no in-app purchases.

### Do ViGuide or Flexigas Europe Sizing Tool have ads?

Neither ViGuide nor Flexigas Europe Sizing Tool shows ads.

### Which is updated more often, ViGuide or Flexigas Europe Sizing Tool?

ViGuide ships an update every 5 weeks, and Flexigas Europe Sizing Tool every 6 months. Most recently, ViGuide was updated on November 6, 2026 and Flexigas Europe Sizing Tool on November 7, 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.*