
The AI productivity suite with agents, email, and docs that work wherever you do
The AI productivity suite with agents, email, and docs that work wherever you do
HARPA AI records 537,461 monthly visits with +99.3% month-over-month growth and Freemium pricing. superReply records 810 monthly visits with -32.3% growth and Freemium pricing.

AI email reply extension for Gmail and Outlook — free for your first 90 replies a month
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | harpa.ai | superreply.co |
| Pricing Model | Freemium | Freemium |
| Monthly Visits | 537.46K (537,461) | 810 (810) |
| MoM Traffic Delta | +267.81K (+99.3%) | -386 (-32.3%) |
| Primary Market & Share | 🇺🇸 United States (17%) | 🇮🇳 India (90.4%) |
| Direct Visits / mo | 410.05K | 312 |
| User Rating | 4.6 | 4 |
| Supported Platforms | Website | Website |
One browser agent that combines every major AI model with web automation
Switch between GPT, Claude, Gemini, Perplexity, DeepSeek and other models from one extension on any page, without juggling separate tabs or subscriptions.
Summarise long articles, PDFs and YouTube videos, ask follow-up questions about the content, or jump to the relevant timestamp in a video.
Track page changes, price drops and back-in-stock alerts across e-commerce sites, with notifications when something moves.
Extract structured data from websites, fill forms, click through flows and trigger Zapier, Make.com, IFTTT or n8n chains.

AI email reply extension for Gmail and Outlook — free for your first 90 replies a month
The extension appears directly in Gmail and Outlook web, so you never leave the thread you are answering.
Pick the tone of voice that fits the situation — professional for a client, casual for a friend — and the suggestions adapt.
A single click surfaces several ready-to-send reply options so you are never stuck staring at a blank compose box.
Beyond Gmail and Outlook, superReply integrates with Chrome, WhatsApp, Slack, LinkedIn, Upwork and Fiverr.

The AI productivity suite with agents, email, and docs that work wherever you do
The AI productivity suite with agents, email, and docs that work wherever you do

Provides a richer all-in-one workspace with writing and painting tools, but is less focused on customizable scraping macros.
Provides a richer all-in-one workspace with writing and painting tools, but is less focused on customizable scraping macros.
Offers a cleaner multi-model browser sidebar experience, but lacks HARPA's advanced no-code web automation macros.
Offers a cleaner multi-model browser sidebar experience, but lacks HARPA's advanced no-code web automation macros.
Stronger multi-model model selection and email integration, but offers less granular browser task automation workflows.
Stronger multi-model model selection and email integration, but offers less granular browser task automation workflows.
SpecialistGreat for social highlighting and YouTube knowledge capture, but offers less automated web workflow scripting than HARPA.
SpecialistGreat for social highlighting and YouTube knowledge capture, but offers less automated web workflow scripting than HARPA.

SpecialistThe agentic AI browser that reads your tabs, files, and screenshots as context
SpecialistThe agentic AI browser that reads your tabs, files, and screenshots as context
SpecialistExcels at natural-language web scraping and structured data extraction, but lacks general-purpose conversational LLM sidebars.
SpecialistExcels at natural-language web scraping and structured data extraction, but lacks general-purpose conversational LLM sidebars.

SpecialistA private Chromium browser with a built-in AI agent and offline LLM
SpecialistA private Chromium browser with a built-in AI agent and offline LLM

SpecialistFaster automated summaries injected directly into search results, but lacks comprehensive browser automation and macro tools.
SpecialistFaster automated summaries injected directly into search results, but lacks comprehensive browser automation and macro tools.
Simpler bookmark management and sidebar chat interface, but lacks robust automated web monitoring and scraping triggers.
Simpler bookmark management and sidebar chat interface, but lacks robust automated web monitoring and scraping triggers.

Turn a few key points into polished, on-tone emails
Turn a few key points into polished, on-tone emails

An AI email assistant that drafts, summarizes, and perfects your messages in place
An AI email assistant that drafts, summarizes, and perfects your messages in place