
The AI browser that reads between your tabs


12 alternatives to Unless Browser Assistant, matched by what they do.
| Rank | Tool & Tagline | Official Domain | Monthly Visits | MoM Growth | Pricing Model | Primary Market | Rating | Compare |
|---|---|---|---|---|---|---|---|---|
| ● | Unless Browser Assistant | chromewebstore.google.com | 0 | 0 (—) | Freemium, Free | Global | 4 | Profile |
| 1 | Dia Browser | diabrowser.com | 1.25M | 652.37K (+108.4%) | Free | United States | 4.3 | Compare |
| 2 | Unless | unless.com | 4.5K | 652 (+17%) | Paid (outcome-based subscription; two plans) | United States | 4.4 | Compare |
| 3 | Monica | monica.im | 4.51M | -573.08K (-11.3%) | Freemium | United States | 4.3 | Compare |
| 4 | Sider | sider.ai | 2.64M | -314.2K (-10.6%) | Freemium | United States | 4.5 | Compare |
| 5 | Merlin AI | getmerlin.in | 1.38M | 159.85K (+13.1%) | Freemium | United States | 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 | DocsBot AI | docsbot.ai | 495.28K | -19.31K (-3.8%) | Freemium | United States | 4.2 | Compare |
| 9 | Fellou AI Browser | fellou.ai | 31.01K | -4.96K (-13.8%) | Free Trial, Contact for Pricing | United States | 4.1 | Compare |
| 10 | Dex by Thirdlayer | joindex.com | 9.26K | 803 (+9.5%) | Freemium | United States | 4.3 | Compare |
| 11 | Tidio | tidio.com | 527.31K | -36.2K (-6.4%) | Freemium | United States | 4.4 | Compare |
| 12 | Mochii | mochii.ai | 26.99K | -6.75K (-20%) | Freemium | Vietnam | 3.8 | Compare |

The AI browser that reads between your tabs


One AI customer agent for every moment — built for regulated Europe

All-in-one AI assistant across web, browser, desktop and mobile

Your AI agent for the browser: chat, automate and create from one sidebar
One-click AI assistant for browsing, writing and research

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

Custom AI agents trained on your documentation and knowledge base

The agentic AI browser that plans, researches and executes web and desktop tasks
The self-driving workspace that remembers everything about your operations

AI customer service that answers instantly and turns chats into revenue
One AI sidebar for ChatGPT, Claude and Gemini across the web
One AI customer agent for every moment — built for regulated Europe
All-in-one AI assistant across web, browser, desktop and mobile
Your AI agent for the browser: chat, automate and create from one sidebar
One-click AI assistant for browsing, writing and research
A private Chromium browser with a built-in AI agent and offline LLM
Custom AI agents trained on your documentation and knowledge base
The agentic AI browser that plans, researches and executes web and desktop tasks
The self-driving workspace that remembers everything about your operations
AI customer service that answers instantly and turns chats into revenue
One AI sidebar for ChatGPT, Claude and Gemini across the web