Best Chat AI tools with mobile apps

Overchat is a versatile AI app that integrates multiple AI models like ChatGPT, Claude, and Gemini for dynamic text generation, summarization, coding assistance, and image creation. It supports multilingual translation, homework help, and ensures secure, encrypted interactions across all features.

NinjaChat consolidates dozens of large language models (GPT‑5, Claude, Gemini, etc.) into a single interface, offering text, image, and video creation, live web search, finance data, and document intelligence for creators and developers.

AI Fiesta lets you run multiple AI models side-by-side in one chat with preserved context, automated model selection, prompt enhancement, image generation, audio transcription, expert avatars and project-wide modes for consistent content, research, and code review workflows.

Ellydee is a privacy first AI chat platform offering end to end encryption, no data harvesting, configurable retention and training exclusions, uncensored dialogue, and an eco mode routing inference to renewable energy centers with chat compression and an impact dashboard.

Luzia is a cross-platform AI assistant on web, iOS, Android and WhatsApp offering conversational chat and task workflows: text and image generation and analysis, PDF extraction, math, code, transcription and translation tools, customizable personas, exportable results.

Atomic Chat is a fully offline, on-device AI chat app for macOS, Windows, Linux, iOS, and Android that runs 1,000+ LLMs locally with built-in agent support, persistent memory, and privacy-first design. It features TurboQuant optimizations for up to 8x faster attention and lower memory use, with one-click model downloads from Hugging Face.

AutoResponder.ai automates messaging on WhatsApp, Facebook Messenger, Instagram, Telegram, Signal, and Viber by delivering predefined replies. Users set unlimited custom rules, out‑of‑office messages, and integrate with ChatGPT, Gemini, Dialogflow, and Tasker for AI‑powered, automated workflows.

The AI tool offers advanced features such as voice recognition, image albums, and chat rooms to create AI chat characters for companionship, gaming, roleplay, and knowledge sharing, with developer support and Discord integration.

Hello History is an AI-powered chat platform that lets users converse with historical figures such as Cleopatra, Einstein, and Buddha. It offers a fact‑checked, customizable environment for educators, students, researchers, and curators to explore, debate, and study history interactively.

JenAI Chat is an Android AI chat app that connects to GPT-3.5/4/4o and Gemini Pro for conversational and document tasks, offering bidirectional voice, Android Auto, customizable one‑tap commands, tap‑to‑stop responses, tutoring, math help, games, and email-ready composition.

Anantya.ai connects businesses to customers via the WhatsApp Business API, offering broadcast campaigns, automated order/payment notifications, live chat, AI‑driven support, click‑to‑WhatsApp ads, and integration with 100+ tools for catalog listings and analytics.

OpenCat is a cross‑platform AI chat client for macOS and iOS that supports text, voice, and image interactions. It offers text‑to‑image generation, language translation, Markdown formatting, a keyboard extension, Siri shortcuts, iCloud sync, and team collaboration.

RecurseChat is a macOS app that runs large language models locally, offering offline AI with a floating chat window, file‑based RAG, support for multiple model formats, and seamless switching between local and cloud models while keeping data local.

Chatworm offers web, Android, and Windows interfaces to chat with multiple LLMs (OpenAI, Anthropic, DeepSeek, Gemini, Qwen, Mistral, Grok). It supports Whisper speech, TTS voices, DALL‑E 3 image creation, ChatGPT Vision analysis, model switching, and dark mode. Open‑source on GitHub.

ChatPhoto turns photos into readable text and answers. Upload one or many images, ask questions, and receive translations, captions, and concise narratives in multiple languages. Ideal for quick social‑media copy, product titles, and travel stories.

GoatChat is a personalized AI chatbot platform that offers various features such as AI writing, translation, image generation, task automation, summarization, and advice, available on App Store and Google Play for free with in-app purchases.

Doppel - Chat Era is an app with AI personas of famous personalities from various fields for engaging in stimulating conversations and learning about their perspectives on current world issues.

MixerBox Chat AI Browser is a groundbreaking app that combines privacy with innovative features. It integrates a smart ChatGPT-powered chatbot for tasks like writing, translation, and email composition. Additional plugins include a Google Maps-driven map chatbot, Google Search API-based news browsing, and an image generation tool. Enhanced by one-click summarization, sleek design, and private mode, it delivers a secure and smooth browsing experience.

Mitra is an AI phone calling app that manages calls on users' behalf, allowing them to communicate via text. It features customizable call styles, real-time management, and concise summaries, streamlining both casual and complex conversations.

Holy Books AI Chat offers users a platform to explore the teachings of the Quran, Bible, and Torah. It provides personalized responses to moral and spiritual inquiries, enhancing understanding and facilitating informed decision-making based on sacred texts.

Ecosia is a privacy-minded search engine with an integrated AI chat that combines web, image, video, news, maps and shopping results, offers summarization, document-aware drafting with attachments, cross-device sync, and renewable-energy–powered servers.