Real-time collaboration
Both support live co-writing; Inkwell layers save points and draft lines underneath.
- Inkwell
- First-class
- WriterDuet
- First-class
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.
Where WriterDuet is strongest
Where the IDE model changes the work
Version control, structured changes, and reviewable AI
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 20 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.
WriterDuet's paid plans cover locked pages, coloured revisions, and A-pages. Inkwell connects production states to the same versioned document model that powers draft lines, save points, and semantic diffs; printed A-pages and locked-page numbering are still maturing.
| Capability | Inkwell | WriterDuet |
|---|---|---|
| Real-time collaborationBoth support live co-writing; Inkwell layers save points and draft lines underneath. | First-class | First-class |
| Web-based, cross-platform | First-class | First-class |
| Free tierInkwell's free tier includes the full editor and 20 AI skill passes per month. | First-class | First-class |
| Fountain native | First-class | First-class |
| FDX import / export | First-class | First-class |
| Version historyWriterDuet keeps automatic history; Inkwell adds named, immutable save points you control. | First-class | Partial or limited |
| Draft lines (parallel alternate versions) | First-class | Not available |
| Semantic change tracking (scene/dialogue-level diffs)WriterDuet compares revisions; Inkwell diffs the structured document, not just text. | First-class | Partial or limited |
| Agentic AI skill passes | First-class | Not available |
| Inline AI edit (Cmd+K) and command palette | First-class | Not available |
| Production workflows (locked scripts, revision colours, A-pages)WriterDuet's paid plans cover locked pages, coloured revisions, and A-pages. Inkwell connects production states to the same versioned document model that powers draft lines, save points, and semantic diffs; printed A-pages and locked-page numbering are still maturing. | Partial or limited | First-class |
Feature and pricing details link to the first-party pages used for verification.
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.