Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience our own tag's counts — open to see them
–Visits
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

Head-to-head · AI Email Writing Tools

Kerna vs Ellie

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Kerna #6 in AI Email Writing Tools 7.8/10 Free plan Free plan✓ 2 of 3 features Visit Kerna
Ellie #10 in AI Email Writing Tools 7.4/10 Free plan · 7-day trial Free planFree trial✓ 3 of 3 features Visit Ellie

Kerna leads on 0 checks, Ellie on 1, and 3 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreKerna · 7.8/10
  • Free planboth
  • Free trialonly Ellie
  • Most featuresEllie · 3 of 3

Kerna scores higher on our rubric for ai email writing tools: 7.8 against 7.4 out of 10; our editors rank them #6 and #10.

On email context input, Ellie gives you Inbox where Kerna offers Thread. Ellie offers browser extension; Kerna doesn't.

Kerna is the better fit for multilingual email and inbox workflows. Ellie is the better fit for users wanting learned voice and inbox automation.

  • Kerna fits best

    Multilingual email and inbox workflows

  • Ellie fits best

    Users wanting learned voice and inbox automation

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Kerna 7.8/10 Visit ↗ Ellie 7.4/10 Visit ↗
At a glance
Editor score 7.8 7.4
Ranking #6 in AI Email Writing Tools #10 in AI Email Writing Tools
Best for Multilingual email and inbox workflows Users wanting learned voice and inbox automation
Pricing model Free plan + paid Free plan + paid
Starting price €12/mo —
Free plan ✓ ✓
Free trial — 7 days
Deployment Cloud Cloud, Desktop, Browser extension
Platforms Web, Windows, macOS Web, Windows, Chrome extension
Support Email, Docs Email, Docs
Integrations 6 integrations 6 integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Enterprise
Features Kerna 2/3 · Ellie 3/3
Tone controls ✓ ✓
Custom instructions ✓ ✓
Browser extension — ✓ (best)
Specs
Email context input Thread Inbox
Mail client support Both Both
Supported languages 45 languages Not checked yet
Our review
Pros
  • Drafts replies and new messages with selectable tones and intents
  • Translates email in 45 languages and summarizes threads
  • Extracts data from emails and attachments for export to common office tools
  • Learns writing style from sent emails for tailored reply drafts
  • Supports Gmail, Outlook, Fastmail, and Outlook desktop
  • Adds auto-drafting, categorization, roles, and knowledge bases
Cons
  • Starter, Standard and Pro plans are limited to one user
  • No browser extension is listed among its supported features
  • Usage is governed by monthly token allowances or shared token pools
  • Free plan limits users to 10 replies per day
  • Automatic drafting and categorization require higher tiers
  • Professional supports up to three connected accounts per user
Our verdict

Kerna is an AI email assistant for people and organizations working in Gmail or Outlook. It drafts replies from email threads, composes new messages from topics or saved instructions, summarizes conversations, translates email in 45…

Read the review →

Ellie is an AI email assistant for individuals, teams, and enterprises that want replies drafted in an established writing style. It connects to Gmail or Outlook, reads relevant email context, and creates drafts in the existing Drafts…

Read the review →
  1. KernaAI Email Writing Tools 7.8Free plan
  2. EllieAI Email Writing Tools 7.4Free plan · 7-day trial

Strengths and trade-offs

  • Kerna — where it wins

    • Drafts replies and new messages with selectable tones and intents
    • Translates email in 45 languages and summarizes threads
    • Extracts data from emails and attachments for export to common office tools

    Where it doesn't

    • Starter, Standard and Pro plans are limited to one user
    • No browser extension is listed among its supported features
    • Usage is governed by monthly token allowances or shared token pools

  • Ellie — where it wins

    • Learns writing style from sent emails for tailored reply drafts
    • Supports Gmail, Outlook, Fastmail, and Outlook desktop
    • Adds auto-drafting, categorization, roles, and knowledge bases

    Where it doesn't

    • Free plan limits users to 10 replies per day
    • Automatic drafting and categorization require higher tiers
    • Professional supports up to three connected accounts per user
  • Kerna7.8/10 · Free plan

    A broad email workflow assistant for multilingual drafting, triage and extraction.

    Visit KernaFull verdict →
  • Ellie7.4/10 · Free plan · 7-day trial

    A strong fit for voice-trained drafting and inbox automation across Gmail and Outlook.

    Visit EllieFull verdict →

More comparisons

All AI email writing tools comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update