# ViGuide vs OtoDefter

The clearest difference is in-app purchases: ViGuide at none against OtoDefter's 2. OtoDefter's advantage is update cadence (every 6 days vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. OtoDefter sells 2 in-app purchases, starting at $1.99 per month. ViGuide asks for nothing beyond the download.

ViGuide ships an update every 5 weeks, OtoDefter every 6 days. The most recent releases landed on November 2, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | ViGuide | OtoDefter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (208 ratings)](https://appshunter.io/ios/app/viguide/id1421720639/reviews)** | — |
| Number of ratings | **208** | — |
| Positive reviews | 40.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 6 days** |
| Monetization | Free | — |
| Size | 1.5 GB | 1 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Viessmann IT Service GmbH](https://appshunter.io/developer/1801739683) | [EFE ALTIPARMAKOGLU](https://appshunter.io/developer/1888110169) |

## 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


### OtoDefter

[App page](https://appshunter.io/ios/app/otodefter-vehicle-log/id6816278970)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OtoDefter Premium | $1.99 | per month |
| OtoDefter Pro | $2.99 | one-time |


## Frequently asked questions

### Is ViGuide free?

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

### Is OtoDefter free?

OtoDefter is free to download, with in-app purchases available.

### Do ViGuide or OtoDefter have ads?

Neither ViGuide nor OtoDefter shows ads.

### Which is updated more often, ViGuide or OtoDefter?

ViGuide ships an update every 5 weeks, and OtoDefter every 6 days. Most recently, ViGuide was updated on November 2, 2026 and OtoDefter on October 29, 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.*