Chapper: Native iOS Client for LM Studio, Ollama, and OpenAI-Compatible Local Models
Chapper is a native SwiftUI iOS client for connecting to local AI models running on LM Studio, Ollama, and any OpenAI-compatible server. The app runs entirely on-device with no cloud requirements, web views, or mandatory accounts.
Core Features
- Real-time token streaming with live inference speed display
- Full sampling controls: temperature, top-p, top-k, min-p, TFS-Z, repeat/presence/frequency penalty
- Structured output/JSON schema mode
- Markdown rendering with syntax-highlighted code blocks
Reasoning Model Support
- Collapsible thought process panel inline above each response
- Works with Qwen3, DeepSeek-R1, and any model using <think> tags
- Custom <think> tag parser for reasoning model output
Model Management
- In-app model management: browse, load, configure context length
- Flash attention support
- GPU KV-cache offload
Conversation Features
- Personas with persistent system prompts per chat
- Full-text search across all conversations + pinned chats
- Memory system that injects long-term context automatically
- Scratchpad for working notes while chatting
Output Options
- Export in 7 formats: PDF, HTML, Markdown, JSON, CSV, XML, TXT
- TTS in three modes: native iOS voices, local on-device Kokoro model (experimental), or custom TTS server
- Background playback support
Technical Implementation
- Native async streaming over SSE
- MCP tool integration for web search, file access, URL fetching
- iCloud sync (optional)
- On-device analytics dashboard
- 12 language support
- Custom haptics with toggle option
Pricing & Availability
Free + Pro model with one-time purchase, no subscription. Core chat is free. Pro unlocks advanced sampling, unlimited history, all export formats, custom icons, and unlimited personas. Works on iPhone and iPad.
📖 Read the full source: r/LocalLLaMA
👀 See Also
Open-source MCP server bridges Claude Code with IDE tools
An open-source MCP server gives Claude Code persistent access to IDE features including LSP, terminals, Git, GitHub, debugging, and diagnostics through 124+ tools. It enables coding from mobile devices when a machine is set up.
Building a Self-Improving Dream Cycle with Cron Jobs and Claude
A developer built an autonomous dream cycle using two cron jobs: one at 10:30 PM for research and reflection, and another at 11:00 PM for review and planning. The system scans arXiv, GitHub trending, and Reddit, identifies weaknesses, and proposes concrete improvements.
Strale.io offers free IBAN and email validation API for AI agents with no signup
Strale.io provides a free API with five capabilities including IBAN validation, email validation, DNS lookup, URL-to-markdown conversion, and JSON repair. No signup or API key is required, and it includes an MCP server for Claude or Cursor integration.
ClawPort: Open Source Orchestration for AI Agent Workflows with Self-Healing Cron
ClawPort is an open source orchestration layer for AI agent workflows that auto-configures cron pipelines, self-heals on failures, and lets you test agents directly before they run on schedule.