Side by side

Kerna vs QuietGrowth

Both stand on ai email assistants. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Kerna

Free plan MacWebWindows

Kerna brings triage, drafting, summaries, and translation into Gmail and Outlook, with user-triggered processing. Its Outlook mailbox requirements and token volumes are important to consider before choosing a plan.

Visit Kerna

QuietGrowth

Free trial Web

QuietGrowth combines inquiry triage, document-aware drafting and approval-based follow-up for event venues. Its integration breadth and one-week setup may help organized teams, while the paid plans and Starter connection limit deserve attention.

Visit QuietGrowth

The facts

	Kerna	QuietGrowth
Free plan	Yes	A free trial
Open source	Not published	Not published
Runs on	Mac, Web, Windows	Web
Lowest paid plan	Standard: €12 a month	Starter: $150 a month
Plans published	5	4
Maker	Not published	Not published
Website	kerna.io	quietgrowth.io
On ai email assistants	#5 of 46	#36 of 46

Kerna: what it does well

Sorts open messages into built-in or custom categories.
Drafts replies with intent and tone controls.
Summarizes threads up to 50 messages.
Translates messages and replies in 45 languages.
Processes content only after a user action.

What to know first

Outlook requires a Microsoft-hosted mailbox.
POP and IMAP connections are unsupported.
On-premises Exchange mailboxes are unsupported.
Starter provides 30,000 tokens as trial volume.

QuietGrowth: what it does well

Drafts replies using venue documents and voice
Schedules follow-ups on days 1, 3, 7 and 14
Review-before-send is the default
Connects inboxes, calendars, marketplaces and forms
Human email support comes with every plan

What to know first

No free plan
Starter includes one inbox or form integration
Automatic sending requires enabling selected categories
Plans start at $150 a month

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