iA Writer vs Marked 3: Which is Better in 2026?
Choosing between iA Writer and Marked 3 comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
iA Writer
The benchmark Markdown writing app designed for focused, distraction-free writing.
Best for you if:
- • Distraction-free Markdown writing environment with Focus Mode.
- • Advanced editor tools like Syntax Highlight and Style Check for improving writing quality.
Marked 3
Real-time Markdown preview, proofreading, and export for Mac
Best for you if:
- • Real-time Markdown preview for Mac, compatible with any text editor.
- • Advanced proofreading, grammar, and style checking tools built-in.
| At a Glance |  iA Writer |  Marked 3 |
|---|---|---|
Starts at | Custom | $2.99/moMonthly (Introductory) |
Best For | Writing Apps | Writing Apps |
Rating | 4.4/5 | 2.8/5 |
Choose iA Writer or Marked 3?
Choose iA Writer if
The benchmark Markdown writing app designed for focused, distraction-free writing.
- Distraction-free writing
- Focus mode excellent
- Cross-platform
Choose Marked 3 if
Real-time Markdown preview, proofreading, and export for Mac
- Comprehensive real-time Markdown preview with extensive features.
- Deep integration with various text editors and writing applications.
- Powerful export capabilities including DOCX with change tracking and EPUB.
| Feature | iA Writer | Marked 3 |
|---|---|---|
| Pricing Model | Paid | Paid |
| User Rating | ★4.4/5 68 reviews | ★2.8/5 10 reviews |
| Categories | Writing AppsProductivity | Writing AppsDocumentation |
In-Depth Analysis
iA Writer
The benchmark Markdown writing app designed for focused, distraction-free writing.
Strengths
- +Distraction-free writing
- +Focus mode excellent
- +Cross-platform
- +Good markdown
- +One-time purchase
Weaknesses
- -Limited features
- -Basic organization
- -No collaboration
- -Sync setup manual
- -Not for complex documents
Key features
Marked 3
Real-time Markdown preview, proofreading, and export for Mac
Strengths
- +Comprehensive real-time Markdown preview with extensive features.
- +Deep integration with various text editors and writing applications.
- +Powerful export capabilities including DOCX with change tracking and EPUB.
- +Advanced proofreading and style tools enhance document quality.
- +Highly customizable with themes, custom CSS, and custom processors.
Weaknesses
- -Requires macOS 11 or newer, limiting older Mac users.
- -No free tier, only a free trial is available.
Key features
Pricing: iA Writer vs Marked 3
| Plan | iA Writer | Marked 3 |
|---|---|---|
| Tier 1 | N/A | $2.99/month Monthly (Introductory) |
| Tier 2 | N/A | $4.99/month Monthly (Regular) |
| Tier 3 | N/A | $29.99/year Yearly (Introductory) |
| Tier 4 | N/A | $49.99/year Yearly (Regular) |
| Tier 5 | N/A | $69.99 Permanent Unlock (Introductory) |
| Tier 6 | N/A | $89.99 Permanent Unlock (Regular) |
Pricing verified from each vendor's public pricing page. Compare in detail on iA Writer pricing and Marked 3 pricing.
Who Should Use What?
On a budget?
Both are paid. Compare plans on their websites.
Go with: iA Writer
Want the highest-rated option?
iA Writer: 4.4/5 (68 reviews). Marked 3: 2.8/5 (10 reviews).
Go with: iA Writer
Value user reviews?
iA Writer: 68 reviews (4.4/5). Marked 3: 10 reviews (2.8/5).
Go with: iA Writer
3 Questions to Help You Decide
What's your budget?
Both are paid. Pricing won't help you decide here.
What's your use case?
Both are writing apps tools. Compare their specific features to decide.
How important are ratings?
iA Writer is rated higher: 4.4/5 vs 2.8/5.
Key Takeaways
iA Writer
- Higher user rating: 4.4/5 vs 2.8/5
- Larger review base (68 reviews)
- Our pick for this comparison
Marked 3
- Choose if you want real-time Markdown preview, proofreading, and export for Mac
The Bottom Line
iA Writer is our pick.
Frequently Asked Questions
Is iA Writer or Marked 3 better?
iA Writer is rated in our evaluation. Both are paid.
What are iA Writer and Marked 3 used for?
iA Writer: The benchmark Markdown writing app designed for focused, distraction-free writing.. Marked 3: Real-time Markdown preview, proofreading, and export for Mac.
What does iA Writer cost vs Marked 3?
iA Writer is a paid tool. Marked 3 is a paid tool. Visit their websites for detailed pricing.