Real-time collaboration
Both support live co-writing; Inkwell layers save points and draft lines underneath.
- Inkwell
- WriterDuet
Real-time collaboration, compared to a screenwriting IDE.
WriterDuet earned its reputation on real-time collaboration and a friendly web-first editor — writing together, live, just works. Inkwell shares that collaborative DNA but adds the layer underneath it: every draft is structured data with version control and AI skills, so collaboration is built on named, comparable save points rather than a single live document. Here is the honest comparison.
Credit where the competitor is genuinely strong
Fair comparisons build trust — we say this upfront
Where the IDE model changes the workflow
Structured data, save points, and reviewable skills
Co-write in scene context — and keep named save points when notes get heavy.
Two writers, one draft — live cursors, not a chain of emailed files.
Real-time editing is table stakes; semantic history is not.
A side-by-side look at where each tool stands today. Some Inkwell features are in active development — see the roadmap for current status.
Both support live co-writing; Inkwell layers save points and draft lines underneath.
Inkwell's free tier includes the full editor and 5 AI skill passes per month.
WriterDuet keeps automatic history; Inkwell adds named, immutable save points you control.
WriterDuet compares revisions; Inkwell diffs the structured document, not just text.
Inkwell production workflows are on the Pro roadmap; WriterDuet focuses on real-time collab over locked-script revision colours.
| Capability | Inkwell | WriterDuet |
|---|---|---|
| Real-time collaborationBoth support live co-writing; Inkwell layers save points and draft lines underneath. | ||
| Web-based, cross-platform | ||
| Free tierInkwell's free tier includes the full editor and 5 AI skill passes per month. | ||
| Fountain native | ||
| FDX import / export | ||
| Version historyWriterDuet keeps automatic history; Inkwell adds named, immutable save points you control. | ||
| Draft lines (parallel alternate versions) | ||
| Semantic change tracking (scene/dialogue-level diffs)WriterDuet compares revisions; Inkwell diffs the structured document, not just text. | ||
| Agentic AI skill passes | ||
| Inline AI edit (Cmd+K) and command palette | ||
| Production workflows (locked scripts, revision colours, A-pages)Inkwell production workflows are on the Pro roadmap; WriterDuet focuses on real-time collab over locked-script revision colours. |
If real-time collaboration is the one thing you need, WriterDuet does it well and is easy to recommend. If you want that collaboration grounded in version control — named save points, draft lines, semantic diffs — plus AI skills and a production pipeline, Inkwell gives you the same live co-writing on a stronger foundation.
The Free plan includes the full editor and AI skill passes.