Side by side

Replai vs Serif

Replai

6.1#34 in ai email assistantsFrom $72 a year

Free planWeb

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Serif

8.1#1 in email collaboration softwareFrom $30 a month

Free planiOSWebmacOSWindows

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Replai plans

FreeFree
Pro$72 a year
Pro$8 a month
TeamPriced on request

Serif plans

Lite$30 a month
Standard$50 a month
Pro$200 a month
Team$50 a month
EnterprisePriced on request
FreeFree

Pick Replai if…

Replai suits people who want AI help sorting inboxes, preparing replies, and managing follow-ups while retaining control over sending. Teams may consider the Team plan for shared administration and reply identity templates.

Pick Serif if…

Serif is aimed at small businesses and operations teams that want routine shared-inbox and document tasks automated. Its escalation and approval options may suit teams that want to review replies before allowing more independent handling.

Charts they share

AI Email Assistants