Show HN: Halo – A Personal AI with On-Device Harness, Memory and Browser Agent

Category: ai-ml

Tags: ios, personal-assistant, on-device, privacy, browser-agent, mcp, memory

Score: 5.7/10 (Innovation: 6, Technical: 6, Documentation: 5, Utility: 5)

Halo is a closed-source iOS personal AI companion that connects to on-device data (mail, calendar, health, etc.) and builds a private, locally-stored memory graph, using a browser agent and user-supplied API keys to act on tasks. Its appeal is privacy-by-architecture with local semantic search and a bring-your-own-model design, though the App Store-only distribution and subscription model limit open evaluation.

Target audience: iOS power users and privacy-conscious consumers

Repository: https://apps.apple.com/us/app/halo-personal-ai/id6783715054

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