Mentes Chat vs Lucid
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mentes Chat
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Mentes Chat is the AI companion for your second brain. Ask questions about your saved bookmarks and links, and get answers grounded in your personal knowledge. YOUR SECOND BRAIN, NOW CONVERSATIONAL Save web pages and bookmarks with Mentes (mentes.ai). Mentes Chat lets you have conversations with all that knowledge. Instead of searching through folders, just ask. "What did that article say about productivity?" "Summarize the articles I saved last week." "Find the link about React performance I bookmarked." ASK QUESTIONS, GET ANSWERS FROM YOUR CONTENT The AI reads through your saved content to give you accurate, sourced answers. Responses are grounded in your actual saved content — not made up. WEB SEARCH WHEN YOU NEED IT Enable web search to combine your personal knowledge with real-time information from the internet. Get the best of both worlds. DESIGNED FOR YOU - Fast and responsive - Light and dark themes - Keyboard shortcuts - Automatic updates - Secure authentication Mentes Chat requires a Mentes account. Save your bookmarks at mentes.ai, then chat with them here.
Lucid
Organize your thoughts with a minimalist, gesture-driven note-taking app. Connect and nest ideas fluidly with block-based editing. Bookmark sections and navigate easily with intuitive gestures.
- Minimalist and intuitive design
- Fluid, block-based editing
- Gesture-driven navigation
- Bookmark any section
- Spacebar caret navigation
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■ Beautifully minimal Intuitive & clean design that keeps you in the flow. A note-taking app that gets out of your way. ■ Connect ideas Organize thoughts as they form. Freely move and nest ideas with fluid, block-based editing. ■ Gesture driven • Swipe right to focus on any subsection • Swipe left to collapse a section • Navigate through parent blocks by swiping from the edge • Pull down to add a block at the top or tap empty space to add at the bottom ■ Other features • Bookmark any section, not just top-level notes • Easily move the caret between blocks by holding the spacebar (not possible in other outliners) ■ Roadmap Lucid is in early development and many more features are coming soon: • External links • Bidirectional linking • Desktop app & iCloud sync • More themes and customization options For the philosophy and reasoning behind the app, visit https://thelucidnotes.com/
Screenshots
Verdict
Mentes Chat and Lucid are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.
| Parameter | Mentes Chat | Lucid |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (5 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 5 — better |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 15 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Sriram Balasubramanian | illia chaban |
In-app purchases
Mentes Chat
No in-app purchases
Lucid
No in-app purchases









