Side by side
fastwrite vs RewriteBar
Compare what each tool does, what it costs, and how it fits your workflow.
Designed for
Write faster and more accurately with AI β directly in Microsoft Word
Rewrite. Refine. Accelerate. β AI productivity for every macOS app. π
Primary task
Writing
Writing
Pricing
Freemium Β· Free + from $11.40/mo
Free Trial Β· Trial; then from $29
Pricing details
Free + from $11.40/mo
Free + from $29
Billing cycle
Monthly
One-time
API access
Not documented
Listed as available
Platforms
Web
Web, macOS
Integrations
Not documented
Slack
Source rating
5.0 / 5 Β· 7 ratings
4.8 / 5 Β· 6 ratings
Catalog views
22k
39k
Estimated monthly traffic
β
β
Catalog imported
30 Aug 2026
30 Aug 2026
Listed strengths
- Microsoft Word Integration
- Windows Platform Compatibility
- Intelligent document analysis
- Relevant content suggestions
- Automates Referencing
- Fixes grammar and spelling errors instantly
- Works offline with local models like Ollama or LM Studio
- Works across all macOS applications β Mail, Slack, Notion, VS Code, Figma, etc.
- Lightweight (β20MB), optimized for Apple Silicon
- Custom AI actions and reusable templates for advanced workflows
Listed limitations
- Only for Microsoft Word
- Windows platform exclusive
- No offline use
- Data stored externally
- Possible content analysis biases
- macOS only β not available for Windows or web yet
- Learning curve for creating custom AI actions (advanced users benefit most)
- No built-in voice or speech input support (text only)
- Requires macOS Ventura (13.0) or newer
- Needs macOS accessibility permissions to function across apps