# Rohrdimensionierung vs SMARTDOCK

The clearest difference is price: SMARTDOCK at Free against Rohrdimensionierung's $3.99. SMARTDOCK also leads on update cadence (every 9 days vs every 2 months) and iOS requirement (15.6 vs 26.0). On ads, in-app purchases and device support there is nothing between them.

SMARTDOCK is free to download; Rohrdimensionierung costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Rohrdimensionierung ships an update every 2 months, SMARTDOCK every 9 days. The most recent releases landed on November 3, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Rohrdimensionierung | SMARTDOCK |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | Paid | — |
| Size | 2 MB | 89 MB |
| Requires iOS | 26.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Burak Doelek](https://appshunter.io/developer/1602361104) | [Thitronik](https://appshunter.io/developer/1427302743) |

## What reviewers say

### Rohrdimensionierung

[App page](https://appshunter.io/ios/app/rohrdimensionierung/id1602361102)

Calculate pipe dimensions and heating capacity for heating systems. Supports steel pipes from DN 15 to 600 and stainless steel press pipes from 15mm to 108mm. Input temperature, density, specific heat, and flow rate.

**Highlights:** Pipe dimension calculation, Heating capacity calculation, Steel pipe support (DN 15-600), Stainless steel press pipe support (15-108mm), Temperature input, Density input, Specific heat input, Flow rate input

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

**In-app purchases:** none


### SMARTDOCK

[App page](https://appshunter.io/ios/app/smartdock/id6745021801)

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

**In-app purchases:** none


## Frequently asked questions

### Is Rohrdimensionierung free?

Rohrdimensionierung costs $3.99, with no in-app purchases.

### Is SMARTDOCK free?

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

### Do Rohrdimensionierung or SMARTDOCK have ads?

Neither Rohrdimensionierung nor SMARTDOCK shows ads.

### Which is updated more often, Rohrdimensionierung or SMARTDOCK?

Rohrdimensionierung ships an update every 2 months, and SMARTDOCK every 9 days. Most recently, Rohrdimensionierung was updated on November 3, 2026 and SMARTDOCK on October 24, 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.*