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Head-to-head · Writing Apps

Celtx vs Ulysses

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score Celtx #3 in Writing Apps 9.2/10 Free plan · 7-day trial Free planFree trial✓ 5 of 5 features Visit Celtx
Ulysses #21 in Writing Apps 7.4/10 7-day trial Free trial✓ 4 of 5 features Visit Ulysses

Celtx leads on 2 checks, Ulysses on 0, and 4 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreCeltx · 9.2/10
  • Free planonly Celtx
  • Free trialboth
  • Most featuresCeltx · 5 of 5

Celtx scores higher on our rubric for writing apps: 9.2 against 7.4 out of 10; our editors rank them #3 and #21.

Celtx offers free plan; Ulysses doesn't. Celtx offers real-time collaboration; Ulysses doesn't. On export formats, Ulysses gives you Advanced where Celtx offers Standard.

Celtx is the better fit for production-oriented screenwriters. Ulysses is the better fit for writers working across Mac, iPad, and iPhone.

  • Celtx fits best

    Production-oriented screenwriters

  • Ulysses fits best

    Writers working across Mac, iPad, and iPhone

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 Celtx 9.2/10 Visit ↗ Ulysses 7.4/10 Visit ↗
At a glance
Editor score 9.2 7.4
Ranking #3 in Writing Apps #21 in Writing Apps
Best for Production-oriented screenwriters Writers working across Mac, iPad, and iPhone
Pricing model Free plan + paid Paid
Starting price $11.24/mo $39.99/user/yr
Free plan ✓ (best) —
Free trial 7 days 7 days
Free trial length 7 days 7 days
Deployment Cloud, Desktop, Mobile Desktop, Mobile
Platforms Web, macOS, Android macOS, iOS
Features Celtx 5/5 · Ulysses 4/5
Publishing tools ✓ ✓
Real-time collaboration ✓ (best) —
Version history ✓ ✓
Offline mode ✓ ✓
Mobile apps ✓ ✓
Specs
Export formats Standard Advanced
Our review
Pros
  • Automatic formatting for screenplay, stageplay, and multi-column scripts
  • Real-time co-writing, comments, permissions, and approvals
  • Production tools include breakdowns, schedules, budgets, and call sheets
  • Organizes projects with groups, sheets, and filters
  • Checks grammar and style in over 20 languages
  • Exports to six formats and publishes to supported platforms
Cons
  • Free plan is limited to one project
  • Version preview and restore are for subscribers
  • Platform coverage and export breadth are limited
  • Requires a paid subscription after the 7-day free trial
  • Available only on macOS and iOS
  • Does not include collaboration features
Our verdict

Celtx brings scriptwriting and media production planning into a cloud-based workspace for screenwriters, stage writers, filmmakers, educators, and production teams. Its editors automatically format screenplay, stageplay, and multi-column…

Read the review →

Ulysses is a writing workspace for authors, bloggers, students, and other writers using Mac, iPad, or iPhone. Its markup-based editor supports long-form work such as books and articles, while projects, groups, sheets, and filters help keep…

Read the review →
  1. CeltxWriting Apps 9.2Free plan · 7-day trial
  2. UlyssesWriting Apps 7.47-day trial

Strengths and trade-offs

  • Celtx — where it wins

    • Automatic formatting for screenplay, stageplay, and multi-column scripts
    • Real-time co-writing, comments, permissions, and approvals
    • Production tools include breakdowns, schedules, budgets, and call sheets

    Where it doesn't

    • Free plan is limited to one project
    • Version preview and restore are for subscribers
    • Platform coverage and export breadth are limited
  • Ulysses — where it wins

    • Organizes projects with groups, sheets, and filters
    • Checks grammar and style in over 20 languages
    • Exports to six formats and publishes to supported platforms

    Where it doesn't

    • Requires a paid subscription after the 7-day free trial
    • Available only on macOS and iOS
    • Does not include collaboration features
  • Celtx9.2/10 · Free plan · 7-day trial

    Scriptwriting and production planning for screenwriters working with collaborators.

    Visit CeltxFull verdict →
  • Ulysses7.4/10 · 7-day trial

    A structured writing workspace for Apple users, with goals, language checks, exports, and publishing.

    Visit UlyssesFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update