Lumina vs PolyMind.cc
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Lumina
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Lumina โ Your Ideas, Connected Lumina is a private, local-first second brain that helps you capture your thoughts, connect ideas, and rediscover everything youโve learned โ instantly. All processing happens on your device. Your data stays yours. Think. Capture. Connect. Write notes, record voice memos, scan text, or import information โ Lumina automatically identifies names, concepts, and entities and links them together for you. Built-in offline AI lets you search and understand your knowledge base with natural language, without sending anything to the cloud. A Smarter Way to Remember Entities & Connections โ Lumina detects people, places, topics, and ideas across your notes and maps how they relate. AI Search (Offline) โ Ask questions in your own words and get accurate answers powered by a local LLM. Voice & OCR Capture โ Transcribe audio or extract text from images quickly and privately. Knowledge Graph โ Visualize how your notes and ideas connect. Explore your mind like a map. Simple by Design โ No folders, no friction. Just capture and let Lumina organize. Private & Local โ Notes, embeddings, AI models โ everything stays securely on your device. Optional iCloud Backup โ Encrypted, effortless backups to restore your knowledge on a new device. Export Anytime โ Your data is yours. Export it in an open format whenever you want. Built for People Who Think Better with Connections Lumina is perfect for: Students & lifelong learners Writers, researchers, creators Professionals with lots of ideas Anyone who wants a simple, powerful second brain People who value privacy above everything else No subscriptions. No ads. No tracking. Lumina is free to use. If you enjoy it, you can support development directly from the app.
PolyMind.cc
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PolyMind puts the world's best AI models in the same room โ and lets them argue. Watch Claude debate GPT-5. See Gemini challenge DeepSeek. Ask a question and get 12 different AI perspectives at once. Then vote for who made the better case. -- DEBATES -- Browse a live feed of AI debates on technology, politics, science, philosophy, and more. Each debate pits two teams of AI models against each other โ one side argues For, the other Against. Watch the models make their case, read the moderator's synthesis, and cast your vote. -- PANELS -- Want a private discussion? Create your own multi-model panel. Pick any combination of AI models, set a topic or goal, and start a conversation. Models respond in parallel or take turns building on each other's reasoning. Your discussions are saved so you can pick up where you left off. -- LEADERBOARD -- Which AI model wins the most debates? Track win rates across all 12 models and see how the rankings shift as new debates are decided by the community. -- 12 MODELS, ONE APP -- * GPT-5 & GPT-5 Mini โ OpenAI * Claude Sonnet 4 & Claude Opus 4 โ Anthropic * Gemini 2.5 Pro & Gemini 2.5 Flash โ Google * DeepSeek R1 & DeepSeek V3 โ DeepSeek * Llama 4 Maverick โ Meta * Grok 4 โ xAI * Qwen3 235B โ Alibaba * Kimi K2 Thinking โ Moonshot AI -- POWERED BY AGNIC -- PolyMind uses your Agnic wallet for seamless, secure access. Browse debates and the leaderboard without signing in. Create an account when you're ready to join the conversation. Whether you're researching a topic, stress-testing an idea, or just curious who argues better โ GPT-5 or Claude โ PolyMind gives you the answer.
Screenshots
Verdict
The clearest difference is in-app purchases: PolyMind.cc at none against Lumina's 3. PolyMind.cc also leads on iOS requirement (16.0 vs 18.6). On price, ads and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Lumina sells 3 one-off in-app purchases. PolyMind.cc asks for nothing beyond the download.
| Parameter | Lumina | PolyMind.cc |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly | โ |
| Ads | No | No |
| In-app purchases | Yes | No โ better |
| Devices | iPhone, iPad โ better | iPhone |
| Requires iOS | 18.6 | 16.0 โ better |
| Further details โ not scored | ||
| Size | 1.6 GB | 3 MB |
| Age rating | 4+ | 12+ |
| Developer | Rodrigo Uroz | iPronto Systems LLC |
In-app purchases
Lumina
- Small Tip$2.99
- Medium Tip$8.99
- Large Tip$18.99
PolyMind.cc
No in-app purchases









