6,622 tools, each one opened, scored and signed by a Toolio reviewer

Reply AI

Write emails 10x faster with AI Access GPT-4 in Gmail and Outlook.

Checked 3 Oct 2026 Reviewed by Alex Listed since August 2024

Screenshot of Reply AI

At a glance

Starts at Free No paid plan found on the vendor's site, September 2026.
Free tier Yes
Platforms Web
Best for Sales professionals, customer service reps
Not for Complex relationship management

3.9 out of 5

Scored by Alex after real use

Our verdict

It speeds up email writing for those who need to send a lot of emails quickly. Not ideal if you want personalized responses or complex project management features.

✓What it does well

Speeds up writingGenerates emails quickly in Gmail and Outlook.
Multiple LanguagesComposes emails in multiple languages for global communication.
Custom Tone ControlAdjusts the tone to match your brand or individual contact style.

✕Where it falls short

Limited response personalizationAI-generated responses may lack personal nuances needed for complex interactions.
No project managementDoes not track email campaigns or projects over time.
Free version limitedThe free version has restrictions and ads, which can be disruptive.

Key features

Language supportComposes emails in multiple languages.
Custom tone controlAdjusts the tone to match your brand or individual contact.
Email templatesUses pre-set templates for consistent style and format.
Email Campaign TrackingUses pre-set templates for consistent email formatting and content.

Questions about Reply AI

What does Reply AI do?

Reply AI speeds up email writing in Gmail and Outlook, and the vendor says it gives access to GPT-4. It composes emails in multiple languages, adjusts the tone to match a brand or individual contact, and uses pre-set templates for a consistent style and format.

Is Reply AI free?

Yes. Reply AI is free, and Toolio found no paid plan on the vendor's site in September 2026. The reviewer notes that the free version has restrictions and ads, which can be disruptive.

Who is Reply AI for?

Toolio lists Reply AI as best for sales professionals and customer service reps who need to send a lot of emails quickly. It is not for complex relationship management, and the reviewer says its AI-generated responses may lack the personal nuances needed for complex interactions.

How does Toolio rate Reply AI?

Alex scored Reply AI 3.9 out of 5 after real use, on 3 Oct 2026. Toolio lists Uniq Mail, ChatGPT-Mail Chrome Extension, Mail Buddy AI and Texti as alternatives, with Mail Buddy AI writing email replies in seconds.

COMPARE