# Pressure Unit Converter vs MD Flow

The clearest difference is price: MD Flow at Free against Pressure Unit Converter's $3.99. MD Flow also leads on review sentiment (100% vs 67%) and update cadence (every 10 days vs every 2 months). Pressure Unit Converter's advantage is in-app purchases (none vs 4) and iOS requirement (6.0 vs 17.0). On rating, ratings volume, ads and device support there is nothing between them.

MD Flow is free to download; Pressure Unit Converter costs $3.99 up front. MD Flow sells 4 one-off in-app purchases. Pressure Unit Converter asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Pressure Unit Converter against 5.0 for MD Flow. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews are what separate them: 67% of Pressure Unit Converter's written reviews are positive against 100% of MD Flow's.

Pressure Unit Converter ships an update every 2 months, MD Flow every 10 days. The most recent releases landed on October 10, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Pressure Unit Converter | MD Flow |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/pressure-unit-converter/id1062000497/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/md-flow-markdown-reader/id6762501714/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Paid | **Free** |
| Size | 23 MB | 7 MB |
| Requires iOS | **6.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Intemodino Group s.r.o.](https://appshunter.io/developer/557849644) | [Amilcar Zambrano Guevara](https://appshunter.io/developer/1874795319) |

## What reviewers say

### Pressure Unit Converter

[App page](https://appshunter.io/ios/app/pressure-unit-converter/id1062000497)

Easily convert pressure measurements between various units with customizable rounding options for both decimal and fractional results. Save and email your conversion history for convenient record-keeping.

**Highlights:** Multiple pressure unit support, Decimal and fractional result display, Customizable rounding for decimals, Customizable fraction rounding, Conversion history, Email results and history, Portrait and landscape support

**Features:** Vision Pro support

**In-app purchases:** none


### MD Flow

[App page](https://appshunter.io/ios/app/md-flow-markdown-reader/id6762501714)

Instantly preview Markdown files with syntax-highlighted code, tables, and Mermaid diagrams. Browse folders with a fast interface and export documents to PDF. This app works directly with your existing file structure without indexing or setup.

**Highlights:** Browse folders with intuitive interface, Instant Markdown preview, Syntax-highlighted code blocks, Rendered Mermaid diagrams, Export documents to PDF, Search within current folder, Table of contents navigation

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Support | $1.99 | one-time |
| Medium Support | $3.99 | one-time |
| Large Support | $5.99 | one-time |
| .MD Finder Pro | $7.99 | one-time |


## Frequently asked questions

### Is Pressure Unit Converter free?

Pressure Unit Converter costs $3.99, with no in-app purchases.

### Is MD Flow free?

MD Flow is free to download, with in-app purchases available.

### Which has better reviews, Pressure Unit Converter or MD Flow?

Pressure Unit Converter and MD Flow are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Pressure Unit Converter or MD Flow have ads?

Neither Pressure Unit Converter nor MD Flow shows ads.

### Which is updated more often, Pressure Unit Converter or MD Flow?

Pressure Unit Converter ships an update every 2 months, and MD Flow every 10 days. Most recently, Pressure Unit Converter was updated on October 10, 2026 and MD Flow on October 21, 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.*