Kerlig
AI writing app for macOS with 350-plus models in one place.
At a glance
Price not confirmed · Source review 2026-11-04- Price & billing
Homepage shows Buy amounts of $25 and $49 with a Black Friday 50% off note for Basic and Pro, but the text read does not map amounts to plans or name a currency, so no charge fact is recorded; the pricing path returns a 404 page.
- Free allowance
Not separately confirmed. Check the current plan before relying on a free allowance.
- Best suited to
Mac workers who write many emails, Slack replies, and tickets and want proofreading and drafting inside their workflow.; Users who switch between many models and want them in one app, with one-click switching and local options.; Privacy-minded Mac users, since messages are sent directly to AI providers and then stored and encrypted on the Mac.
Fit is editorial guidance, not a measured result.- Platforms
Access: not separately verified. Operating systems not separately verified.
Published-source facts and editorial guidance. No product test is implied. Confirm current conditions before purchase.
No product screenshot is claimed for this listing. Use the official website ↗ to inspect the current interface.
What to know before choosing
Good fit
Mac workers who write many emails, Slack replies, and tickets and want proofreading and drafting inside their workflow.; Users who switch between many models and want them in one app, with one-click switching and local options.; Privacy-minded Mac users, since messages are sent directly to AI providers and then stored and encrypted on the Mac.
Limits and trade-offs
Windows or Linux users, since Kerlig is presented as a macOS app for Apple Silicon and Intel on macOS 12 and later.; Users who want a single built-in model with no provider setup, since most models are connected through provider API keys, with Apple Foundation Models, Ollama, and LM Studio as local options.
Plans and free allowances
Homepage shows Buy amounts of $25 and $49 with a Black Friday 50% off note for Basic and Pro, but the text read does not map amounts to plans or name a currency, so no charge fact is recorded; the pricing path returns a 404 page.
Evidence
Official homepage ↗ (reviewed 2026-11-04)
Official published documentation reviewed; not a product test
Dates: Last reviewed 2026-11-04. Last reviewed is the latest source or editorial review date; it is not a content-change date.
A closer look at Kerlig
Kerlig is an AI writing app for macOS that saves hours on written communication at work: write emails, Slack replies, and Jira tickets, proofread before sending, and chat with documents, webpages, ebooks, and images, with built-in and custom actions, more than 350 AI models through providers such as OpenAI, Anthropic, Google Gemini, Groq, and Ollama, plus MCP servers and local models.
Editorial guidance based on published documentation. The workflow below is a suggested starting point, not a measured product result.
When to choose Kerlig
- Mac workers who write many emails, Slack replies, and tickets and want proofreading and drafting inside their workflow.
- Users who switch between many models and want them in one app, with one-click switching and local options.
- Privacy-minded Mac users, since messages are sent directly to AI providers and then stored and encrypted on the Mac.
When to choose something else
- Windows or Linux users, since Kerlig is presented as a macOS app for Apple Silicon and Intel on macOS 12 and later.
- Users who want a single built-in model with no provider setup, since most models are connected through provider API keys, with Apple Foundation Models, Ollama, and LM Studio as local options.
A practical starting workflow
- Download the macOS app and connect preferred AI providers and MCP servers such as Notion, Linear, Slack, and GitHub.
- Use built-in or custom actions, or the Option plus Space shortcut, to proofread, write, summarize, shorten, or chat with documents.
- Review the result, regenerate across models when useful, and keep chat history on the Mac.
Check before committing
- The homepage shows Buy amounts of $25 and $49 with a Black Friday 50% off note for Basic and Pro, but the text read does not map those amounts to plans or name a currency, so they are described as page observations only.
- The guessed pricing path returns a 404 page, so no separate pricing page is cited.
Common questions
What can Kerlig write?
Kerlig writes emails, Slack replies, and Jira tickets, proofreads before sending, and chats with documents, webpages, ebooks, and images.
Which AI models does Kerlig support?
More than 350 AI models through providers including Apple Foundation Models, OpenAI, Anthropic, Google Gemini, Groq Cloud, Ollama, OpenRouter, xAI, Perplexity, LM Studio, Mistral, and Amazon Bedrock, with one-click switching.
Where are my messages stored?
Messages are sent directly to AI providers, then stored and encrypted on the Mac, and local models through Apple Foundation Models, Ollama, and LM Studio are supported.
Compare approaches for this task
- AgentHub — A platform to build and host AI automations with pre-built workflows.
- AIOProductOS — Product teams that want to build what pays, since the platform ties each customer record to feedback, revenue, work and code.; Companies that need enterprise controls, since the pricing page highlights EU and US data residency, BYOK encryption, SAML/SSO on Pro and 150+ compliance controls.
Sources and checks
Last source review is not a date of product testing. No rating or test result is implied by inclusion. Check the current plan and terms before buying.