# Voith TurboGuide Mobile vs Flatness

The clearest difference is update cadence: Voith TurboGuide Mobile at every 2 months against Flatness's every 16 months. 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.

Voith TurboGuide Mobile ships an update every 2 months, Flatness every 16 months. The most recent releases landed on October 27, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Voith TurboGuide Mobile | Flatness |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/flatness/id6463624359/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 16 months |
| Monetization | — | Free |
| Size | 53 MB | 61 MB |
| Requires iOS | 13.4 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Knowron GmbH](https://appshunter.io/developer/1581605933) | [ACOEM Group](https://appshunter.io/developer/1495816959) |

## What reviewers say

### Voith TurboGuide Mobile

[App page](https://appshunter.io/ios/app/voith-turboguide-mobile/id1589274780)

**In-app purchases:** none


### Flatness

[App page](https://appshunter.io/ios/app/flatness/id6463624359)

This app facilitates precise rectangular flatness measurements for applications like motor and pump foundations. It guides users through the entire measurement and alignment process when connected to an AT-400 Ultimate with an M9 sensor via Bluetooth. Generate instant PDF reports of your findings directly on-site.

**Highlights:** Bluetooth connectivity, Icon-based adaptive user interface, 3D result views, Instant PDF report generation, Guided measurement process

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Voith TurboGuide Mobile free?

Voith TurboGuide Mobile is free to download, with no in-app purchases.

### Is Flatness free?

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

### Do Voith TurboGuide Mobile or Flatness have ads?

Neither Voith TurboGuide Mobile nor Flatness shows ads.

### Which is updated more often, Voith TurboGuide Mobile or Flatness?

Voith TurboGuide Mobile ships an update every 2 months, and Flatness every 16 months. Most recently, Voith TurboGuide Mobile was updated on October 27, 2026 and Flatness on October 21, 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.*