Alternatives · Writing
WriterDuet alternatives
WriterDuet compared with 8 alternatives: Final Draft, Fade In, Celtx, Arc Studio, Highland Pro and 3 more.
WriterDuet has a free plan. Paid plans start at $7.49 per month, billed annually ($89.88); $9.99 billed monthly (Plus). 5 of the 8 alternatives are free or have a free plan. 3 more offer a free trial.
8 tools · Listings checked up to Oct 9, 2026 · Where the facts come from
At a glance
| Tool | Price | Free plan | Runs on |
|---|---|---|---|
| WriterDuetThis tool | Free plan · from $7.49/mo | Yes | Web, macOS, Windows, Linux, iOS, Android |
| Final Draft | Free trial · from $99.99/yr | Trial only | Web, macOS, Windows, iOS |
| Fade In | Free trial · from $79.95 one-time | Trial only | Web, macOS, Windows, Linux |
| Celtx | Free plan · from $11.24/mo | Yes | Web, Windows, Android |
| Arc Studio | Free plan · from $69/yr | Yes | Web, macOS, Windows, iOS |
| Highland Pro | Free trial · from $4.99/mo | Trial only | macOS, iOS |
| Slugline | Free plan · from $19.99 one-time | Yes | macOS, iOS |
| Story Architect | Free plan · from $4.17/mo | Yes | macOS, Windows, Linux, iOS, Android |
| Trelby | Free | Free | macOS, Windows, Linux |
How each one differs from WriterDuet
- Free trial · from $99.99/yr
Final Draft
Screenwriting software with automatic script formatting
- Final Draft starts at $99.99 per year or $16.99 per month (Suite); $249.99 one-time for Final Draft 13. WriterDuet starts at $7.49 per month, billed annually ($89.88); $9.99 billed monthly (Plus).
- WriterDuet has a free plan. Final Draft does not, though it has a free trial.
- Only WriterDuet lists Linux and Android apps.
- Final Draft can be bought with a one-time purchase.
Suits: Screenwriters who need scripts in industry-standard format
- Free trial · from $79.95 one-time
Fade In
One-time-purchase screenwriting software for Windows, Mac and Linux
- Fade In starts at $79.95 one-time. WriterDuet starts at $7.49 per month, billed annually ($89.88); $9.99 billed monthly (Plus).
- WriterDuet has a free plan. Fade In does not, though it has a free trial.
- Only WriterDuet lists iOS and Android apps.
- Fade In can be bought with a one-time purchase.
Suits: Screenwriters who would rather buy once than subscribe
- Free plan · from $11.24/mo
Celtx
Online scriptwriting with pre-production planning tools
- Celtx starts at $11.24 per month, billed yearly ($134.88); $14.99 billed monthly (Writer). WriterDuet starts at $7.49 per month, billed annually ($89.88); $9.99 billed monthly (Plus).
- Only WriterDuet lists macOS, Linux and iOS apps.
- WriterDuet also covers templates.
Suits: Filmmakers who want the script and pre-production planning in one tool
- Free plan · from $69/yr
Arc Studio
Screenwriting app with outlining and real-time co-writing
- Arc Studio starts at $69 per year (Essentials). WriterDuet starts at $7.49 per month, billed annually ($89.88); $9.99 billed monthly (Plus).
- Only WriterDuet lists Linux and Android apps.
Suits: New screenwriters who want to draft a first script on a free plan
- Free trial · from $4.99/mo
Highland Pro
Plain-text screenwriting app for Mac, iPad and iPhone
- Highland Pro starts at $4.99 per month, billed $59.99 annually. WriterDuet starts at $7.49 per month, billed annually ($89.88); $9.99 billed monthly (Plus).
- WriterDuet has a free plan. Highland Pro does not, though it has a free trial.
- Only WriterDuet lists a web app.
- Only WriterDuet lists Windows, Linux and Android apps.
- Highland Pro also covers Markdown.
Suits: Screenwriters on Apple devices who like writing in plain text
- Free plan · from $19.99 one-time
Slugline
Plain-text screenwriting app for Mac, iPhone and iPad
- Slugline starts at $19.99 one-time for the iPhone and iPad app; $49.99 one-time on Mac. WriterDuet starts at $7.49 per month, billed annually ($89.88); $9.99 billed monthly (Plus).
- Only WriterDuet lists a web app.
- Only WriterDuet lists Windows, Linux and Android apps.
- Slugline can be bought with a one-time purchase.
- WriterDuet also covers templates.
Suits: Screenwriters on Mac, iPhone and iPad who like writing in plain text
- Free plan · from $4.17/mo
Story Architect
Writing app for screenplays, novels, comics and stage plays
- Story Architect starts at $4.17 per month, billed annually. WriterDuet starts at $7.49 per month, billed annually ($89.88); $9.99 billed monthly (Plus).
- Only WriterDuet lists a web app.
- Story Architect also covers mind mapping.
- WriterDuet also covers templates.
Suits: Screenwriters who want standard script formatting on a free plan
- Free
Trelby
Free, open-source screenwriting program for desktop
- Trelby is free. WriterDuet starts at $7.49 per month, billed annually ($89.88); $9.99 billed monthly (Plus).
- Only WriterDuet lists a web app.
- Only WriterDuet lists iOS and Android apps.
- Trelby is open source, according to its own site.
- WriterDuet also covers templates.
Suits: Screenwriters who want free software with standard script formatting
Limits worth knowing in WriterDuet
- The Free plan is limited to three projects of one document each, and free users can add only read-only collaborators.
- The desktop app and offline writing with auto-sync are listed from the Plus plan up.
- Revision tracking and production tools start at Pro, and full line and document history is Premium-only.
- Cards cannot be edited or rearranged in the mobile app or in phone and tablet browsers; WriterDuet recommends a computer for them.
Common questions
What are the alternatives to WriterDuet?
The alternatives to WriterDuet in this directory are Final Draft, Fade In, Celtx, Arc Studio, Highland Pro, Slugline, Story Architect and Trelby. Each one has a side-by-side comparison with WriterDuet.
Is there a free alternative to WriterDuet?
Yes. Trelby is free to use. Celtx, Arc Studio, Slugline and Story Architect have a free plan alongside paid ones.
Is there an open-source alternative to WriterDuet?
Trelby is described as open source on its own site.
When were these prices checked?
Each listing shows its own date. On this page they run from Oct 5, 2026 to Oct 9, 2026. Vendors change prices without notice, so confirm on their site before you buy.