Kerna
7.1#6 in ai email writing toolsFrom €12 a monthFree planWebmacOSWindows
VisitKerna vs WriteMail.ai
WriteMail.ai
8.0#2 in ai email writing toolsFrom $60 a yearFree planAndroidiOSWebAPI
VisitWhat both publish
| Fact | Kerna | WriteMail.ai |
|---|---|---|
| Integrations | Kerna integrates with Gmail, Outlook, Calendar, Contacts and Sheets, and the pricing page lists shared mailboxes for Outlook. | Official pricing materials list Chrome and Firefox Gmail extensions, a Google Workspace Gmail add-on, and an Outlook add-in. |
| Intended users | Kerna describes itself as email automation for professionals and offers team plans for collaboration and larger organizations. | The site describes the product as designed for busy people, professionals, teams, executives, and entrepreneurs. |
| Languages | Kerna offers translation in 45 languages for inbound messages and outbound replies. | The site advertises email generation in more than 30 languages. |
| Privacy | Kerna says email content is processed in memory and discarded after the request, with personal data redacted before content reaches the inference provider. | The site says generated messages do not touch its servers and personalized options are stored in a browser cookie. |
Kerna plans
- StarterFree
- Standard€12 a month
- Pro€22 a month
- Business€69 a month
- Enterprise€499 a month
WriteMail.ai plans
- FreeFree
- Regular$6.95 a month
- Basic$11.95 a month
- Pro$19.95 a month
- Regular annual$60 a year
- Basic annual$103.20 a year
Pick Kerna if…
Kerna is aimed at professionals who want help sorting, summarizing, translating, or drafting email. Its team plans may suit organizations seeking shared prompts, billing, and mail workflows.
Pick WriteMail.ai if…
It may suit busy professionals, teams, executives, and entrepreneurs who want help drafting or replying to emails. The range of tone controls and listed use cases also fits people writing outreach, marketing, support, or personal messages.