# Flow Rate Conversion vs Druck Connect

The clearest difference is price: Druck Connect at Free against Flow Rate Conversion's $2.99. Druck Connect also leads on update cadence (every 12 months vs every 29 months). Flow Rate Conversion's advantage is iOS requirement (13 vs 15.6). On ads, in-app purchases and device support there is nothing between them.

Druck Connect is free to download; Flow Rate Conversion costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Flow Rate Conversion ships an update every 29 months, Druck Connect every 12 months. The most recent releases landed on September 13, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Flow Rate Conversion | Druck Connect |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/flow-rate-conversion/id525300855/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 29 months | **Every 12 months** |
| Monetization | Paid | — |
| Size | 1 MB | 49 MB |
| Requires iOS | **13** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Nitrio](https://appshunter.io/developer/321121189) | [Baker Hughes Company](https://appshunter.io/developer/393570118) |

## What reviewers say

### Flow Rate Conversion

[App page](https://appshunter.io/ios/app/flow-rate-conversion/id525300855)

Easily convert between various units of flow rate, including volume-based, mass-based, and mole-based measurements. Essential for physics and engineering applications involving fluid dynamics and hydrometry.

**Highlights:** Volume flow rate conversion, Mass flow rate conversion, Mole-based flow rate conversion, Physics and engineering utility, Fluid dynamics calculations

**Features:** macOS Compatibility

**In-app purchases:** none


### Druck Connect

[App page](https://appshunter.io/ios/app/druck-connect/id6477532309)

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

**In-app purchases:** none


## Frequently asked questions

### Is Flow Rate Conversion free?

Flow Rate Conversion costs $2.99, with no in-app purchases.

### Is Druck Connect free?

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

### Do Flow Rate Conversion or Druck Connect have ads?

Neither Flow Rate Conversion nor Druck Connect shows ads.

### Which is updated more often, Flow Rate Conversion or Druck Connect?

Flow Rate Conversion ships an update every 29 months, and Druck Connect every 12 months. Most recently, Flow Rate Conversion was updated on September 13, 2026 and Druck Connect on September 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.*