# Flow Rate Conversion vs SCW Viewstation Mobile

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

SCW Viewstation Mobile 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, SCW Viewstation Mobile monthly. The most recent releases landed on September 13, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Flow Rate Conversion | SCW Viewstation Mobile |
| --- | --- | --- |
| 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 | **Monthly** |
| Monetization | Paid | — |
| Size | 1 MB | 306 MB |
| Requires iOS | 13 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Nitrio](https://appshunter.io/developer/321121189) | [Security Camera Warehouse, Inc.](https://appshunter.io/developer/1035499657) |

## 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


### SCW Viewstation Mobile

[App page](https://appshunter.io/ios/app/scw-viewstation-mobile/id6747735805)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Flow Rate Conversion free?

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

### Is SCW Viewstation Mobile free?

SCW Viewstation Mobile is free to download, with no in-app purchases.

### Do Flow Rate Conversion or SCW Viewstation Mobile have ads?

Neither Flow Rate Conversion nor SCW Viewstation Mobile shows ads.

### Which is updated more often, Flow Rate Conversion or SCW Viewstation Mobile?

Flow Rate Conversion ships an update every 29 months, and SCW Viewstation Mobile monthly. Most recently, Flow Rate Conversion was updated on September 13, 2026 and SCW Viewstation Mobile on September 20, 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.*