One-click AI assistant for browsing, writing and research
12 alternatives to NavChat, matched by what they do.
| Rank | Tool & Tagline | Official Domain | Monthly Visits | MoM Growth | Pricing Model | Primary Market | Rating | Compare |
|---|---|---|---|---|---|---|---|---|
| ● | NavChat | chromewebstore.google.com | 0 | 0 (—) | Free | Global | — | Profile |
| 1 | Merlin AI | getmerlin.in | 1.38M | 159.85K (+13.1%) | Freemium | United States | 4.3 | Compare |
| 2 | Sider | sider.ai | 2.64M | -314.2K (-10.6%) | Freemium | United States | 4.5 | Compare |
| 3 | Monica | monica.im | 4.51M | -573.08K (-11.3%) | Freemium | United States | 4.3 | Compare |
| 4 | Mochii | mochii.ai | 26.99K | -6.75K (-20%) | Freemium | Vietnam | 3.8 | Compare |
| 5 | ChatHub | chathub.gg | 322.62K | -52.07K (-13.9%) | Freemium | China | 4.3 | Compare |
| 6 | Sigma AI Browser | sigmabrowser.com | 240.78K | -214.74K (-47.1%) | Free | United States | 4.1 | Compare |
| 7 | HARPA AI | harpa.ai | 537.46K | 267.81K (+99.3%) | Freemium | United States | 4.6 | Compare |
| 8 | Chatbox | chatboxai.app | 567.17K | -108.56K (-16.1%) | Freemium | China | 4.6 | Compare |
| 9 | Overchat AI | overchat.ai | 948.03K | -25.46K (-2.6%) | Freemium | United States | 3.8 | Compare |
| 10 | Lunabot | lunabot.ai | 18.85K | -6.14K (-24.6%) | Freemium | Russia | 4 | Compare |
| 11 | Chatbot App | chat.chatbotapp.ai | 2.17M | -234.21K (-9.7%) | Freemium | United States | 3.9 | Compare |
| 12 | SigmaOS Airis (Alpha) | sigmaos.com | 90.91K | 7.65K (+9.2%) | Freemium | United States | 4.5 | Compare |
One-click AI assistant for browsing, writing and research
AI sidebar and browser agent for reading, writing and research

All-in-one AI assistant across web, browser, desktop and mobile
One AI sidebar for ChatGPT, Claude and Gemini across the web

Compare GPT, Claude, and Gemini answers side by side in one chat

A private Chromium browser with a built-in AI agent and offline LLM
One browser agent that combines every major AI model with web automation
One privacy-first AI client for GPT, Claude, Gemini and more

One AI super app for chat, images, video and everyday document tasks
One AI assistant across every browser, app and device — no API keys needed

Chat with 30+ leading AI models in one clean, fast workspace

A Mac browser built for focus, with an AI companion called Airis

One-click AI assistant for browsing, writing and research
AI sidebar and browser agent for reading, writing and research
All-in-one AI assistant across web, browser, desktop and mobile
One AI sidebar for ChatGPT, Claude and Gemini across the web
Compare GPT, Claude, and Gemini answers side by side in one chat
A private Chromium browser with a built-in AI agent and offline LLM
One privacy-first AI client for GPT, Claude, Gemini and more
One AI super app for chat, images, video and everyday document tasks
One AI assistant across every browser, app and device — no API keys needed
Chat with 30+ leading AI models in one clean, fast workspace
A Mac browser built for focus, with an AI companion called Airis