Best Heynds Alternatives in 2026

ChatGPT is an AI-powered chat app that uses advanced NLP technology to provide fast answers and automate tasks.

MacGPT is a native macOS app that provides quick access to a chatbot powered by a language model and offers several utilities.

The official ChatGPT app for iOS provides instant answers, tailored advice, and creative ideas using OpenAI's latest advancements.

MindMac is a native macOS client that integrates ChatGPT, Azure OpenAI, Gemini, and Claude on the desktop. It offers inline prompts, a 150‑template library, customizable context modes, shortcuts, keychain storage, and 15 UI languages for developers, researchers, and teams.

iChatWithGPT is an AI assistant integrated into iMessage that uses GPT‑5.2, Claude 4.5, and Google Search for real‑time web research, news, weather, and game results. It offers text reminders, AI‑generated images, voice‑activated messaging across iPhone, Apple Watch, MacBook, and CarPlay.

Sidekick AI tool is a conversational AI tool that provides easy access to ChatGPT on macOS.

A free and fast Chat interface powered by ChatGPT API with prompts support, which can be enhanced by installing plugins via MyGPT, requiring an OpenAI API key.

AI Actions is a powerful tool that provides additional AI-related actions and shortcuts on macOS, including the ability to interact with the ChatGPT API. It requires macOS 13 or higher and is not available in China.

ChatTab is a native macOS client for GPT‑3.5, GPT‑4, GPT‑4‑Vision, GPT‑4‑32k and Claude‑2 that stores the API key in Apple keychain. It supports multiple tabs, Markdown, iCloud prompts, file ingestion, and image queries, keeping data local for privacy.

ChatKit is a cross‑platform AI chat app for macOS, Windows, and Linux that connects to OpenAI, Gemini, Azure, and custom models via API keys. It offers prompt templates, chat bookmarks, voice input, text‑to‑speech, file drop, web search, and URL fetching.

GlobalGPT is a comprehensive AI service hub providing over 100 specialized agents for tasks like content creation, social media management, academic assistance, and software development, including advanced features like text-to-video conversion and personalized planning tools.

OpenAI’s ChatGPT Images, powered by GPT Image 1.5, elevates creative workflows by offering rapid, precise image generation and editing directly within ChatGPT. It’s a versatile tool for visual content creation and design.

Free GPT‑3.5 API access in French, no sign‑up needed. Accepts text or voice via mic, delivers instant replies, and lets you download session transcripts. Ideal for students, researchers, and casual users seeking quick language assistance.

Yack is an AI tool designed for Apple Silicon models from 2020 onwards with markdown support, multiple themes, keyboard-first design, and upcoming features such as cross-app integration, prompt completion, and search functionality.

Palettebrain is an AI tool that unlocks the power of ChatGPT across various Mac applications, allowing users to work smarter and streamline their workflows to boost productivity.

ChatGPT Notepad is a browser‑based plain‑text editor that lets users create, edit, and manage multiple notes without registration. It offers undo, redo, cut/copy/paste, find‑replace, spell check, real‑time word count, AI‑content cleanup, and .txt export, compatible with major browsers.

Get the power of ChatGPT in your voice assistant on iPhone and Mac devices.

WriteMage overlays ChatGPT across macOS/iOS apps, preserving session memory and local labeled chat history. Users can edit or create prompts, supply custom OpenAI keys to lift word limits, and enjoy seamless multi‑device use on Intel/Apple Silicon.

GPTPlus is a browser extension featuring GPT-4 and GPT-3.5 technologies. It provides an integrated ChatGPT assistant within a sidebar for writing, translation, code analysis, prompts, templates, and custom queries, boosting productivity in content generation and SEO optimization tasks.

Claude is an advanced AI assistant designed for a variety of tasks, including code generation, writing, productivity enhancement, and business automation. It is highly adaptable, intelligent, and customizable to meet diverse user needs.

AI Text Formatter converts raw AI output into readable text by inserting line breaks, headings, bullets, and spacing while preserving meaning. It supports multiple languages and lets users quickly copy the formatted text to Word, Docs, Excel, or other apps.

ChatGPT for Outlook embeds OpenAI’s ChatGPT into Microsoft Outlook, enabling custom prompts on emails to generate summaries, highlights or revisions, and allowing users to replace content or flag messages. Administrators can deploy it across Office 365 with tailored prompts for teams.

ChatGOT offers real‑time chat, drafting, coding, summarization, PDF analysis, and text‑to‑image generation using models like GPT‑4o mini. It handles essays, emails, debugging, translations, and lets users create custom assistant roles—all web‑based without sign‑up.

MobileGPT is an AI tool that provides document services through WhatsApp with advanced AI capabilities.

ChatAIr is a macOS client that connects to the OpenAI API, managing prompts and allowing multiple prompts in one dialogue box. Users can set model, temperature, and track conversation history turn by turn.

OpenGPT lets users build ChatGPT‑based applications instantly using a library of ready‑made AI tools for productivity, copywriting, coding, entertainment, and education. The platform offers prompt‑to‑code conversion, regex creation, and tools that refine prompts and transform requests into actionable outputs.

The ChatGPT Prompt Generator from webutility.io is an online tool that streamlines prompt creation for engaging and insightful conversations with ChatGPT, allowing users to define their desired action, focus, subject, and context.

VoiceGPT lets Android users chat with ChatGPT via voice, offering hotword activation, multilingual input/output, and unlimited free messaging. It supports OCR for image text extraction, code execution in 70+ languages, and DALL‑E 2 image creation, all within a dark/light theme.

GPTGO blends Google search with ChatGPT, presenting results and AI‑generated summaries in 100+ languages. Users get concise answers beside each result, can copy or download, and access the tool on desktop, mobile, or tablet without registering.