Comparison

Pressure Unit Converter vs MD Flow

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Pressure Unit Converter

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
Read full description

A handy app to convert between pressure units. Supported pressure units: • Atmosphere • Millibar • Bar • Pascal • Hectopascal • Kilopascal • Pounds per square inch (PSI) • Pounds per square foot (PSF) • Kilograms per square meter kgf/m² • Inches of mercury (inHg) • Millimeters of mercury (mmHg) • Torr "Flip" button to easily switch between the "from" and "to" units. Supports fractions. Results are shown in the decimal and fractional forms. App's Settings: - Rounding to the specified number of decimal places: for decimal numbers, you can select the number of decimal places you want to display. By default, the app displays 2 decimal places. To round results to the nearest whole number, select 0 decimal places. - For fractions, you can select rounding to the nearest 1/2, 1/4, 1/8, 1/16, 1/32, 1/64, 1/128, 1/256. By default, the app rounds fractions to the nearest 1/32. If you do not need to round fractions, just select "-". Sends results and history via email. Conversion history. Supports both portrait and landscape orientation.

About

MD Flow

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
Read full description

MD Flow is a native app for browsing folders and instantly previewing Markdown — beautifully rendered, with syntax-highlighted code, tables, and Mermaid diagrams. No indexing, no workspace, no setup. Just open a folder and start reading. What you can do * Browse folders with a fast, intuitive interface * Instantly preview Markdown, with syntax-highlighted code blocks * See Mermaid diagrams rendered inline — flowcharts, sequence, Gantt, and more * Export any document as a polished PDF, then share or save it — MD Flow Pro * Search within the current folder * Reopen recent files quickly * Navigate long documents with a table of contents * Preview HTML, text, CSV, and RTF files * Works directly with your existing folder structure Built for real workflows MD Flow works with the files you already have: * Documentation folders and README-heavy projects * Technical docs with diagrams and code samples * Exported notes and personal archives * AI-generated summaries, research, and drafts * Writing libraries and file-based knowledge systems A simple, focused experience MD Flow is not a note-taking app, a PKM system, or a Markdown editor. It is a file-first app designed to help you browse and read your files faster, without friction. No import. No duplication. No lock-in. Privacy-first by design * No account required * No tracking * Works locally with your files * You stay in control of your data Pricing MD Flow includes a free core experience. MD Flow Pro is a one-time unlock — including PDF export — that works across Mac, iPhone, and iPad. Optional tips are available if you want to support ongoing development.

Screenshots

Pressure Unit Converter4 screens
MD Flow4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard6 real differences · 4 level
Pressure Unit Converter versus MD Flow: the parameters behind the verdict, then further details
ParameterPressure Unit ConverterMD Flow
Price$3.99Free — better
Rating5.0 (1 ratings)5.0 (1 ratings)
Positive reviews66.7% of reviews100.0% of reviews — better
Number of ratings11
Update frequencyEvery 2 monthsEvery 10 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS6.0 — better17.0
Further details — not scored
Size23 MB7 MB
Age rating4+4+
DeveloperIntemodino Group s.r.o.Amilcar Zambrano Guevara

Customer experience

Pressure Unit Converter

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

MD Flow

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Pressure Unit Converter

No in-app purchases

4 purchases

MD Flow

One-time4
  • Small Support$1.99
  • Medium Support$3.99
  • Large Support$5.99
Show 1 more
  • .MD Finder Pro$7.99

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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