# Flow Rate Conversion vs Flow Conversions

The clearest difference is review sentiment: Flow Conversions at 100% against Flow Rate Conversion's 0%. Flow Conversions also leads on price (Free vs $2.99) and rating (5.0 vs 3.0). On ratings volume, ads, in-app purchases and device support there is nothing between them.

Flow Conversions 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 Conversions 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 Conversions's.

Flow Rate Conversion ships an update every 29 months, Flow Conversions every 8 days. Both last shipped on October 1, 2026.

## The numbers

| Metric | Flow Rate Conversion | Flow Conversions |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| 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-conversions/id1276206364/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 8 days** |
| Monetization | Paid | **Free** |
| Size | 1 MB | 12 MB |
| Requires iOS | 13 | **10.3** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nitrio](https://appshunter.io/developer/321121189) | [Jeff Evans](https://appshunter.io/developer/1155207587) |

## 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 Conversions

[App page](https://appshunter.io/ios/app/flow-conversions/id1276206364)

Easily convert water flow rates between various units of measurement. This utility app provides a straightforward way to calculate and understand different flow rate values.

**Highlights:** Calculate flow rate, Multiple units of measure, Water flow conversions, Simple interface

**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 Conversions free?

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

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

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

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

Neither Flow Rate Conversion nor Flow Conversions shows ads.

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

Flow Rate Conversion ships an update every 29 months, and Flow Conversions every 8 days. Most recently, Flow Rate Conversion was updated on October 1, 2026 and Flow Conversions on October 1, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*