Reins: Chat for Ollama represents a specialized mobile solution for users operating self-hosted large language models through the Ollama framework. Developed by Ibrahim Cetin, this iOS application fills a niche market gap by enabling remote interaction with locally hosted AI models, providing researchers and hobbyists with mobile flexibility previously limited to desktop environments. The application's core functionality centers around secure remote server connectivity, allowing users to maintain conversations with their Ollama instances from any location. Key technical features include per-chat system prompt customization, which enables context-specific model behavior adjustments, and comprehensive prompt editing with regeneration capabilities. The image integration feature expands multimodal interaction possibilities, though specific implementation details remain undisclosed in available documentation. The interface maintains persistent connection states and conversation histories across sessions. User experience demonstrates thoughtful design for technical audiences, with a clean interface prioritizing conversation management and prompt engineering tools. Real-world usage patterns show researchers accessing models during commuting, between meetings, or while away from their primary workstations. The application successfully translates Ollama's desktop functionality to mobile without significant feature compromise, though interface adaptations for touchscreen interaction present both opportunities and challenges compared to traditional keyboard-and-mouse workflows. User feedback consistently praises reliability and performance, with reviewer jake5644 (2025-07-28) noting exceptional functionality for server interactions. Multiple users including JosephLG314 (2025-03-22) have requested additional performance metrics like tokens/second display. Reviewer astrokari (2025-03-18) specifically commended remote access capabilities through Tailscale while suggesting improved text customization options. Cmilian (2025-05-10) highlighted the desire for advanced model management features including custom modelfile creation. The application demonstrates notable strengths in remote connectivity stability and prompt engineering flexibility, though some users indicate opportunities for enhanced performance monitoring and accessibility options. Ideal use cases involve technical professionals requiring mobile access to experimental models, researchers conducting field tests, and developers seeking rapid iteration capabilities away from their primary workstations. The application successfully delivers core Ollama functionality while leaving room for expanded metrics and customization features in future updates.