Vector Space AI vs Molten
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Vector Space AI
This app offers a fast, private AI companion that runs locally on your device, providing instant responses for writing, brainstorming, and coding. It also allows seamless switching to cloud-based AI for more advanced queries.
- Runs locally on device
- Optional ChatGPT API connection
- Modern and clean interface
- Instant response times
- Complete user data privacy
- Seamless mode switching
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Chat with FREE, FAST and POWERFUL AI that runs LOCALLY on your iPhone Meet your new AI companion that’s always available — no cloud, no lag, just pure speed. Our advanced local AI engine runs directly on your iPhone, giving you instant responses, full privacy, and offline intelligence. Whether you’re writing, brainstorming, translating, or coding — everything happens right on your device. And when you want to connect to the cloud, simply switch to ChatGPT API mode for even more powerful, up-to-date answers. Key Features: - Runs Locally — Experience lightning-fast chat without internet or server delay. - Optionally, Connect to by ChatGPT API — Access the world’s smartest AI whenever you want. - Beautiful Modern Design — A clean, elegant interface built for clarity and focus. - Instant Responses — No waiting. No spinning wheels. Just smooth conversation. - Completely Private — Your data stays on your device. Nothing leaves your phone. - Seamless Mode Switching — Toggle between local AI and ChatGPT in one tap. Why You’ll Love It: Because it’s your AI — fast, powerful, private, and beautifully crafted. Talk, create, think, and explore ideas anywhere — even offline. Download now and experience the future of AI — FAST. PRIVATE. BEAUTIFUL. LOCAL.
Molten
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Molten brings AI to your devices—completely local, completely private. Run LLMs Offline Chat with models from Ollama, Swama (MLX-optimized for Apple Silicon), or built-in On Device Models. No cloud API, no tracking—your data stays your devices. Key Features Seamless self-hosted server switching and model selection, including on-device models. Real-time streaming responses with performance analytics (tokens/sec, eval rates). Native SwiftUI interface with markdown rendering, syntax highlighting, dark mode, and keyboard shortcuts. Floating panel for quick chats on macOS. Privacy Obsessed 100% local and private processing. Open-source for full audit on GitHub. No telemetry or cloud dependency. Download Molten and own your AI today.
Screenshots
Verdict
The clearest difference is price: Vector Space AI at Free against Molten's $2.99. Vector Space AI also leads on update cadence (every 4 days vs every 3 months) and iOS requirement (18.0 vs 26.0). On ads, 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
Vector Space AI is free to download; Molten costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Vector Space AI ships an update every 4 days, Molten every 3 months. The most recent releases landed on October 8, 2026 and October 9, 2026 respectively.
| Parameter | Vector Space AI | Molten |
|---|---|---|
| Price | Free — better | $2.99 |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 4 days — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 18.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 34 MB | 18 MB |
| Age rating | 4+ | 17+ |
| Developer | Voila Tech K.K | OnDemandWorld (HK) |
In-app purchases
Vector Space AI
No in-app purchases
Molten
No in-app purchases









