Lucid vs DeepSync
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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/
DeepSync
This app uses multiple AI models to debate and synthesize answers to your questions, providing a more accurate and reliable response. It offers real-time transparency into the AI's thought process and applies advanced text intelligence for optimized output.
- Multi-agent AI synthesis
- Fact-checking by consensus
- Real-time agent panel
- Advanced text intelligence
- Chat history and sessions
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▶ Multi-Agent AI Assistant - DeepSync doesn't just ask one AI. It asks five simultaneously. Llama 3.1, Llama 3.3, Qwen, and GPT debate your question in parallel then Llama 4 steps in as the final arbitrator, synthesizing the single most accurate answer. ▶ Key Features 【 Multi-Agent Synthesis 】 - Your question is sent to 4 leading AI models at once. - Each model generates an independent answer. - Llama 4 then arbitrates — cross-checking, fact-verifying, and delivering one refined, reliable response. 【 Fact-Checking by Consensus 】 - 4 AIs cross-validate every response in real time. - Conflicting answers are flagged and resolved by Llama 4 automatically. - The result: fewer hallucinations, more truth. 【 Real-Time Agent Panel 】 - Watch all AIs think simultaneously with live status updates. - Full transparency into how your answer was built. 【 Advanced Text Intelligence 】 - Beyond standard LLM chatbots, DeepSync applies specialized machine learning text models on top of every response. - These models analyze tone and completeness — refining the final answer to a higher standard. - The result is not just an AI answer. It's a quality-optimized, human-readable response. 【 Chat History & Sessions 】 - Organize conversations into separate sessions. - Instantly switch between topics without losing context. ▶ Connect With Us - Instagram (KR) : https://www.instagram.com/corp.exciting/reels/ - Instagram (US) : https://www.instagram.com/corp.exciting2/reels/ - TikTok (KR) : https://www.tiktok.com/@corpexciting - TikTok (US) : https://www.tiktok.com/@corp.exciting2 - YouTube (KR) : https://www.youtube.com/@corp.exciting - YouTube (US) : https://www.youtube.com/@excitingcorp - X : https://x.com/corp_exciting - Telegram : https://t.me/notice_exciting ▶ FAQ 【 Is my data safe? 】 - Absolutely. We never store your conversations. Your privacy is our priority. 【 Why 5 AIs instead of one? 】 - One AI can be wrong. Four AIs debating and Llama 4 arbitrating dramatically reduces errors and bias, giving you the most accurate answer possible. 【 Which AI models are used? 】 - Llama 3.1, Llama 3.3, Qwen 32B, and GPT as debaters — with Llama 4 Scout as the final arbitrator. The best open and closed models available today. 【 Need Help? 】 - For support, inquiries, or feedback: corp.exciting@gmail.com
Screenshots
Verdict
The clearest difference is review sentiment: Lucid at 100% against DeepSync's 0%. Lucid also leads on rating (5.0 vs 1.0) and ads (none vs shown). DeepSync's advantage is iOS requirement (15.0 vs 17.6). On price, in-app purchases and device support there is nothing between them.
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.
Lucid holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews point the same way: 100% of Lucid's written reviews are positive against 0% of DeepSync's.
Lucid ships an update every 2 weeks, DeepSync every 5 months. The most recent releases landed on August 29, 2026 and September 11, 2026 respectively.
| Parameter | Lucid | DeepSync |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 100.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 4 — better | 1 |
| Update frequency | Every 2 weeks — better | Every 5 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 37 MB |
| Age rating | 4+ | 17+ |
| Developer | illia chaban | HOYONG NA |
Customer experience
Lucid
DeepSync
In-app purchases
Lucid
No in-app purchases
DeepSync
No in-app purchases





