# Flow Rate Conversion vs Flow Rate Converter

The clearest difference is review sentiment: Flow Rate Converter at 100% against Flow Rate Conversion's 0%. Flow Rate Converter also leads on rating (5.0 vs 3.0) and update cadence (every 7 months vs every 29 months). Flow Rate Conversion's advantage is iOS requirement (13 vs 15.6). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Flow Rate Conversion costs $2.99 and Flow Rate Converter $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Flow Rate Converter holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 0% of Flow Rate Conversion's written reviews are positive against 100% of Flow Rate Converter's.

Flow Rate Conversion ships an update every 29 months, Flow Rate Converter every 7 months. The most recent releases landed on September 13, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Flow Rate Conversion | Flow Rate Converter |
| --- | --- | --- |
| Price | $2.99 | **$0.99** |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/flow-rate-conversion/id525300855/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/flow-rate-converter/id668446877/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 29 months | **Every 7 months** |
| Monetization | Paid | Paid |
| Size | 1 MB | 6 MB |
| Requires iOS | **13** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nitrio](https://appshunter.io/developer/321121189) | [Johan van der Vyver](https://appshunter.io/developer/668446880) |

## 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


### Flow Rate Converter

[App page](https://appshunter.io/ios/app/flow-rate-converter/id668446877)

This utility app calculates flow rates in milliliters per hour based on substance concentration and dosage. It can also determine the required dosage for a set flow rate. Features a user-friendly interface and an iPad widget for quick calculations.

**Highlights:** Calculate flow rate in ml/h, Determine required dosage, User-friendly Picker interface, iPad widget for quick access, Specialized for concentration and dosage

**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 Flow Rate Converter free?

Flow Rate Converter costs $0.99, with no in-app purchases.

### Which has better reviews, Flow Rate Conversion or Flow Rate Converter?

Flow Rate Converter is rated higher. Flow Rate Conversion averages 3.0 out of 5 from 1 ratings, while Flow Rate Converter averages 5.0 from 1 ratings.

### Do Flow Rate Conversion or Flow Rate Converter have ads?

Neither Flow Rate Conversion nor Flow Rate Converter shows ads.

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

Flow Rate Conversion ships an update every 29 months, and Flow Rate Converter every 7 months. Most recently, Flow Rate Conversion was updated on September 13, 2026 and Flow Rate Converter on September 15, 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.*