Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience our own tag's counts — open to see them
–Visits
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

Head-to-head · Writing Apps

LyX vs Substack

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score LyX #6 in Writing Apps 8.9/10 Free plan Free plan✓ 0 of 5 features Visit LyX
Substack #7 in Writing Apps 8.8/10 Free plan Free plan✓ 0 of 5 features Visit Substack

LyX leads on 0 checks, Substack on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreLyX · 8.9/10
  • Free planboth

LyX scores higher on our rubric for writing apps: 8.9 against 8.8 out of 10; our editors rank them #6 and #7.

LyX is the better fit for technical authors needing structured documents. Substack is the better fit for newsletter writers building paid audiences.

  • LyX fits best

    Technical authors needing structured documents

  • Substack fits best

    Newsletter writers building paid audiences

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature LyX 8.9/10 Visit ↗ Substack 8.8/10 Visit ↗
At a glance
Editor score 8.9 8.8
Ranking #6 in Writing Apps #7 in Writing Apps
Best for Technical authors needing structured documents Newsletter writers building paid audiences
Pricing model Free Free plan + paid
Starting price Free plan Free plan
Free plan ✓ ✓
Free trial — —
Deployment Desktop Cloud, Mobile
Platforms Windows, macOS, Linux Web, iOS, Android
Support Community, Docs Docs
Integrations 7 integrations 10 integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features LyX 0/5 · Substack 0/5
Publishing tools Not checked yet Not checked yet
Real-time collaboration Not checked yet Not checked yet
Version history Not checked yet Not checked yet
Offline mode Not checked yet Not checked yet
Mobile apps Not checked yet Not checked yet
Specs
Export formats Not checked yet Not checked yet
Our review
Pros
  • Free, open-source desktop apps for Windows, macOS, and Linux
  • Strong tools for mathematics, references, indexes, and document structure
  • Broad import and export, with Git, Subversion, BibTeX, and LaTeX support
  • Delivers posts by email and supports paid subscriptions.
  • Segments subscribers and automates welcome and lifecycle emails.
  • Combines podcast hosting, audience discovery, and analytics.
Cons
  • Not designed for real-time simultaneous collaboration
  • WYSIWYM editing may suit technical authors better than general writers
  • Desktop-only deployment provides no browser-based editing
  • No fixed creator plan tiers; creators set their own subscription prices.
  • Paid subscriptions involve a revenue share.
  • Support channels listed are limited to documentation.
Our verdict

LyX is a free, open-source desktop document processor for structured and technical writing. Its WYSIWYM interface works with TeX/LaTeX typesetting and supports academic articles, theses, books, letters, scripts, and technical…

Read the review →

Substack brings web publishing, newsletter delivery, paid subscriptions, and audience tools together for writers and other independent creators. It suits people building a publication around free or paid posts, especially newsletter…

Read the review →
  1. LyXWriting Apps 8.9Free plan
  2. SubstackWriting Apps 8.8Free plan

Strengths and trade-offs

  • LyX — where it wins

    • Free, open-source desktop apps for Windows, macOS, and Linux
    • Strong tools for mathematics, references, indexes, and document structure
    • Broad import and export, with Git, Subversion, BibTeX, and LaTeX support

    Where it doesn't

    • Not designed for real-time simultaneous collaboration
    • WYSIWYM editing may suit technical authors better than general writers
    • Desktop-only deployment provides no browser-based editing
  • Substack — where it wins

    • Delivers posts by email and supports paid subscriptions.
    • Segments subscribers and automates welcome and lifecycle emails.
    • Combines podcast hosting, audience discovery, and analytics.

    Where it doesn't

    • No fixed creator plan tiers; creators set their own subscription prices.
    • Paid subscriptions involve a revenue share.
    • Support channels listed are limited to documentation.

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update