HellaReach — Cold Email Grader

Extension Communication4 users

Item media 1 (screenshot) for HellaReach — Cold Email Grader

Item media 2 (screenshot) for HellaReach — Cold Email Grader

Item media 3 (screenshot) for HellaReach — Cold Email Grader

Overview

Grade your cold emails before sending. Score 0-100 with actionable suggestions to boost reply rates.

HellaReach grades your cold emails in real-time as you compose them in Gmail. **How it works:** 1. Open Gmail and compose a new email 2. HellaReach automatically scores your email 0-100 3. See a breakdown across 6 key factors 4. Get specific suggestions to improve your message **Scoring Factors:** - Subject Line (20pts) — Length, personalization, spam word check - Opening Line (20pts) — Is it about them or about you? - Email Length (15pts) — Sweet spot of 50-125 words - Personalization (20pts) — Company, role, specific references - CTA Clarity (15pts) — Single clear ask with specifics - Spam Score (10pts) — Trigger words, caps, link density **Free Plan:** - 5 email scores per day - Score + factor breakdown - Issue count **Pro Plan ($15/mo):** - Unlimited email scores - Specific improvement suggestions for each factor - Priority support **Privacy:** - 100% client-side — your emails NEVER leave your browser - No data collection, no analytics, no tracking - No account required for free tier Built by HellaDyn.

0 out of 5
No ratings
Learn more about results and reviews.

Details

Version
1.0.0
Updated
February 12, 2026
Features
Offers in-app purchases
Flag concern
Offered by
HellaDyn
Size
28.47KiB
Languages
English (United States)
Developer
Michael David Morris
2221 Greatfield Drive Roseville, CA 95747 US
Email
mike@helladyn.com
Phone
+1 408-203-7900
Trader
This developer has identified itself as a trader per the definition from the European Union and committed to only offer products or services that comply with EU laws.

Privacy

Manage extensions and learn how they're being used in your organization

The developer has disclosed that it will not collect or use your data.

This developer declares that your data is

Not being sold to third parties, outside of the approved use cases
Not being used or transferred for purposes that are unrelated to the item's core functionality
Not being used or transferred to determine creditworthiness or for lending purposes

Professometer

5.0

Get real-time professionalism scores for Gmail. Stop sending emails like a peasant. (It's definitely not just regex.)

Freestyle

4.6

An AI-powered email assistant that helps you manage your Gmail inbox by predicting actions for your emails and suggesting responses.

Fit my mail

0.0

Scan your Gmail emails and generate personalized AI-powered replies

ColdCraft - crafting your cold emails

5.0

Supercharge your cold emailing game, seamlessly crafting effective cold emails in two clicks.

Email Summarizer – Gmail & Outlook

5.0

Summarize emails with AI for faster understanding. Save time and stay productive!

SendIQ

0.0

Send the same email to many recipients quickly — each recipient gets an individual message (no BCC) for free.

HyPeMa — Precise Email Outreach

5.0

Cold emails that actually get replies. AI researches each lead, writes a unique email, drops it in your Gmail. Done.

AI Reply - Instant Email Responses with AI

5.0

Generate contextual, tone-specific email replies in Gmail instantly. Draft your response in one click

SimplyMail - AI Email Assistant for Gmail

5.0

AI-powered Gmail assistant. Get instant email summaries, smart categories, task extraction, and AI replies. Save hours on email.

ChatGPT for Gmail - MailEinstein™

0.0

AI-powered email writing for Gmail. Generate brilliant emails instantly with genius-level AI assistance.

AI Email Assistant (Gemini)

5.0

Professional AI-powered email assistant with smart replies, draft improvement, quick responses, and custom instruction.

GoZen HyperReach.AI v1

5.0

Supercharge your cold emails by leveraging AI-generated personalized LinkedIn messages that are one-of-a-kind!