Comparison

Lumina vs PolyMind.cc

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

Lumina

Features
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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 youโ€™ve 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.

About

PolyMind.cc

Features
Read full description

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

Lumina4 screens
PolyMind.cc4 screens

Verdict

The call

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Lumina sells 3 one-off in-app purchases. PolyMind.cc asks for nothing beyond the download.

Scorecard2 real differences ยท 4 level
Lumina versus PolyMind.cc: the parameters behind the verdict, then further details
ParameterLuminaPolyMind.cc
PriceFreeFree
Update frequencyWeeklyโ€”
AdsNoNo
In-app purchasesYesNo โ€” better
DevicesiPhone, iPad โ€” betteriPhone
Requires iOS18.616.0 โ€” better
Further details โ€” not scored
Size1.6 GB3 MB
Age rating4+12+
DeveloperRodrigo UroziPronto Systems LLC

In-app purchases

3 purchases

Lumina

One-time3
  • Small Tip$2.99
  • Medium Tip$8.99
  • Large Tip$18.99
None

PolyMind.cc

No in-app purchases

Questions

Is Lumina free?
Lumina is free to download, with in-app purchases available.
Is PolyMind.cc free?
PolyMind.cc is free to download, with no in-app purchases.
Do Lumina or PolyMind.cc have ads?
Neither Lumina nor PolyMind.cc shows ads.

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