Comparison

iA Writer vs Post Rush

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

Head to head
About

iA Writer

This writing application provides a clean, distraction-free environment to focus on your words. It offers features like Focus Mode to dim distractions, plain text writing with HTML preview, and customizable keyboard layouts. Organize and export your documents in various formats.

Highlights
  • Distraction-free writing environment
  • Focus Mode for sentence/paragraph highlighting
  • Plain text writing with HTML preview
  • Document search, sort, and cloud syncing
  • Customizable keyboard layouts
  • Export to WordPress, Medium, Word, PDF
  • Inverted light-on-dark mode
Features
Currently charting
Read full description

“Leaving life’s mess for an ideal realm of words.” —The New Yorker “My favorite iOS app for writing in Markdown, without question, is iA Writer. iA Writer is just beautiful. To me, it’s the gold standard for Markdown syntax styling... an elegant champagne flute. That’s iA Writer for me.” —John Gruber “iA Writer creates a clean, simple and distraction-free writing environment for when you really need to focus on your words.” —The New York Times “iA Writer is an example of how powerful simplicity and accessibility can be.” —The Guardian “iA Writer is all about textual production—writing this phrase, this sentence, this word at this moment.” —WIRED 4 x Best of App Store Winner # The Simple Writing App iA Writer removes distractions. Giving you a calm, focused, writing space, so you can express yourself clearly. # Focus Focus Mode dims everything but the current sentence or paragraph, helping you stay in the flow. # Start Don’t worry about the format. First, write in plain text. Then preview in HTML. # Organize Search, sort, and quickly swap between documents from different clouds. # Customize When you tap and hold a key in the command keyboard, you’re given the chance to choose your own layout. Rearrange your keys, or pick new ones from the extensive list. # Search You can open documents and launch frequent actions in no time with the new Quick Search. It lives in the keyboard so it’s always close at hand. # Work iA Writer includes an inverted light-on-dark-mode, perfect for working day and night. # Clean Spot superfluous adjectives, weak verbs, repetitive nouns, false conjunctions and clean your text of the usual rumble. # Shape Customize your templates and export to WordPress or Medium, HTML, Microsoft Word (.docx), or PDF. # 100% Text Embed links, pictures, tables and text files in plain text and see them in preview. # Get in Touch - Visit ia.net/writer for more information - Visit ia.net/writer/support for support and feedback

About

Post Rush

Features
Read full description

Post Rush is a personal planning tool for delivery workers. The app helps you better estimate your daily workload and organize your workday more clearly. A key focus is adapting to your own experience over time. What makes Post Rush special: The more workdays you record, the better the app adapts to you. With each entry, the estimates gradually become more accurate and increasingly reflect your personal daily routine. With Post Rush you can: • Record your daily delivery volume • Estimate the expected workload for the day • Compare your own experience over time • Structure your workday more effectively Post Rush only works with the data you enter yourself. All information stays on your device: • No account required • No cloud • No data sharing • Fully usable offline Post Rush is not an official system and not a control or evaluation tool. All estimates are for personal orientation and planning only. Developed as a private support tool for everyday work.

Screenshots

iA Writer4 screens
Post Rush4 screens

Verdict

The call

The clearest difference is price: Post Rush at Free against iA Writer's $19.99. Post Rush also leads on update cadence (every 2 days vs every 2 weeks). iA Writer's advantage is chart position (#25 vs unranked) and iOS requirement (15.0 vs 18.6). On ads, in-app purchases 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

Post Rush is free to download; iA Writer costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

iA Writer ships an update every 2 weeks, Post Rush every 2 days. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 7 level
iA Writer versus Post Rush: the parameters behind the verdict, then further details
ParameteriA WriterPost Rush
Price$19.99Free — better
Rating4.6 (1.5K ratings) — better—
Positive reviews73.1% of reviews—
Number of ratings1.5K — better—
Update frequencyEvery 2 weeksEvery 2 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
Best chart rank#25 — better—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better18.6
Further details — not scored
Size70 MB3 MB
Age rating4+4+
DeveloperInformation Architects AGNan Yu

Bugs and requests

iA Writer

Reported bugs

3 issues
  • Crashes when opening certain files
  • Sync issues leading to data loss
  • Formatting problems when exporting to other formats

Requested features

6 requests
  • Improved cloud storage integration (Dropbox, Google Drive, etc.)
  • Enhanced file management and organization tools
  • Better text selection and cursor control
  • More customization options for appearance and layout
  • Integrated outline/table of contents view
Show 1 more
  • Collaborative editing features

Post Rush

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

iA Writer

No in-app purchases

None

Post Rush

No in-app purchases

Questions

Is iA Writer free?
iA Writer costs $19.99, with no in-app purchases.
Is Post Rush free?
Post Rush is free to download, with no in-app purchases.
Do iA Writer or Post Rush have ads?
Neither iA Writer nor Post Rush shows ads.
Which is updated more often, iA Writer or Post Rush?
iA Writer ships an update every 2 weeks, and Post Rush every 2 days. Most recently, iA Writer was updated on November 1, 2026 and Post Rush on October 31, 2026.

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