Tools · Comparison

Lettria vs Comet vs Reflect AI

All three are productivity tools. Here is what separates them.

	Lettria	Comet	Reflect AI
What it is	Lettria is an AI-powered platform that transforms unstructured data into structured knowledge, enabling smarter, context-rich decision-making.	A browser with an assistant that can read the page you are on and act across your tabs.	A beautifully minimalist note-taking app designed to mirror the way you think. Now with a native AI integration.
Category	Productivity	Productivity	Productivity
Pricing	Paid	Freemium · Free · Pro features with Perplexity Pro	Paid · $10/mo
How it bills	Not published	Free	Flat monthly
Free tier	No	Yes	No
Rating	Not yet rated	Not yet rated	Not yet rated
Features	—	Assistant with page and tab context Multi-step actions in the page Built-in search with citations Comparison across open tabs Chromium-based	—
What works	Sits in Productivity, one of the better-covered categories here — easy to compare	Context on what you are actually doing Removes copy-pasting into a chat window Familiar Chromium base	Publishes its price openly — $10/mo Sits in Productivity, one of the better-covered categories here — easy to compare
What does not	No free tier — it has to be paid for before it can be tried Does not publish a price on its own site, so the cost is only clear after signing up 89 other tools in this catalogue claim to do the same job 37 tools in the same category have a free tier	Agent access to logged-in sessions is a real risk Best features need a subscription Another browser to maintain	No free tier — it has to be paid for before it can be tried 89 other tools in this catalogue claim to do the same job 37 tools in the same category have a free tier The vendor describes it only briefly, so what it does is not fully clear from their own site

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