Side by side
RewriteBar vs TextSynth Text Completion
Compare what each tool does, what it costs, and how it fits your workflow.
Designed for
Rewrite. Refine. Accelerate. — AI productivity for every macOS app. 🚀
Unleash AI-powered text completion
Primary task
Writing
Writing
Pricing
Free Trial · Trial; then from $29
Freemium · Free + from $20.00
Pricing details
Free + from $29
Free + from $20.00
Billing cycle
One-time
Pay-as-you-go
API access
Listed as available
Listed as available
Platforms
Web, macOS
Web
Integrations
Slack
Not documented
Source rating
4.8 / 5 · 6 ratings
5.0 / 5 · 1 ratings
Catalog views
39k
5.6k
Estimated monthly traffic
—
—
Catalog imported
30 Aug 2026
29 Aug 2026
Listed strengths
- Fixes grammar and spelling errors instantly
- Works offline with local models like Ollama or LM Studio
- Works across all macOS applications — Mail, Slack, Notion, VS Code, Figma, etc.
- Lightweight (≈20MB), optimized for Apple Silicon
- Custom AI actions and reusable templates for advanced workflows
- Multilingual capabilities
- Multiple language models
- Large parameter models
- Fine-tuned models
- Adjustable model parameters
Listed limitations
- macOS only — 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
- Limited language models
- Results dependent on randomness
- No real-time adjustments
- Too much model complexity
- User interface is simplistic