Trimbox AI Assistant
Gmail Email Writing
Automatically draft email replies, straight from Gmail.
Like Ready to Send, Trimbox AI Assistant is in the Gmail Email Writing category. Both are freemium. Worth comparing on the detail page.
We've curated 49 of the best alternatives to Ready to Send, ranked by feature overlap, topic similarity, user ratings, and popularity. Trimbox AI Assistant, Auto Gmail, and AI Mail Assistant lead the list as the closest matches.
Updated May 18, 2026
The list includes 5 free alternatives, 43 freemium, and 1 with a free trial, so whether you're looking for a no-cost replacement or a more capable paid tier, there's an option to compare. Ready to Send itself is freemium, which makes freemium alternatives the most natural starting point.
Many of these tools cluster around use cases like Free + From $5/mo, Email Management, Time Efficiency, and Productivity Tool — the same problem spaces Ready to Send addresses. Cross-referencing tools that overlap on multiple topics gives a more reliable signal than category alone, because two products in the same category can still serve very different workflows.
Our ranking weighs eight signals: shared category, topic overlap, feature overlap, name and description text similarity (via PostgreSQL's pg_trgm and tsvector), Bayesian-smoothed user ratings, pricing-model match, popularity, and editorial overrides. Scores are then normalized within each tool's own candidate pool so the top match always represents the strongest available alternative.
Use the table of contents below to jump to free or paid alternatives, or scroll down to compare each option side-by-side with Ready to Send.
Ranked by compatibility score
Gmail Email Writing
Automatically draft email replies, straight from Gmail.
Like Ready to Send, Trimbox AI Assistant is in the Gmail Email Writing category. Both are freemium. Worth comparing on the detail page.
Gmail Email Writing
AI learns from you and drafts answers to all your emails
5 free and 43 freemium options.
25 additional candidates
Trimbox AI Assistant ranks as the highest-scoring alternative to Ready to Send, based on shared category, topic overlap, feature similarity, and user ratings. Ratings are still being collected for this tool.
Yes — 5 fully free and 43 freemium alternatives are available, including Trimbox AI Assistant, Auto Gmail, and AI Mail Assistant.
Trimbox AI Assistant is similarly priced (freemium) and sits in the same category (Gmail Email Writing). View its detail page to compare features, integrations, and reviews side-by-side.
Top Gmail Email Writing alternatives include Trimbox AI Assistant, Auto Gmail, AI Mail Assistant, and ChatGPT Mail Responder. These tools share the same primary category and have meaningful topic overlap with Ready to Send.
Like Ready to Send, Auto Gmail is in the Gmail Email Writing category. Both are freemium. Worth comparing on the detail page.
Gmail Email Writing
ChatGPT AI for Gmail: Generate, summarize, translate, and improve emails.
Like Ready to Send, AI Mail Assistant is in the Gmail Email Writing category. AI Mail Assistant is free, while Ready to Send is freemium. Worth comparing on the detail page.
Gmail Email Writing
AI-powered Gmail assistant for faster, smarter responses
Like Ready to Send, ChatGPT Mail Responder is in the Gmail Email Writing category. ChatGPT Mail Responder is free, while Ready to Send is freemium. Worth comparing on the detail page.
Gmail Email Writing
Generate perfect emails instantly with AI in Gmail
Like Ready to Send, Hiwriter is in the Gmail Email Writing category. Hiwriter is free, while Ready to Send is freemium. Worth comparing on the detail page.
Gmail Email Writing
Write emails in 1 click using AI
Like Ready to Send, GmailGPT is in the Gmail Email Writing category. GmailGPT is free, while Ready to Send is freemium. Worth comparing on the detail page.
Gmail Email Writing
Gmail emails that write themselves? It's not magic, it's MailWizard.
Like Ready to Send, MailWizard is in the Gmail Email Writing category. MailWizard is free-trial, while Ready to Send is freemium. Worth comparing on the detail page.
Gmail Email Writing
AI-powered Gmail automation for personalized emails
Like Ready to Send, Mailmerge-JS is in the Gmail Email Writing category. Mailmerge-JS is free, while Ready to Send is freemium. Worth comparing on the detail page.
Email Management
Reach inbox zero in minutes.
Inbox Zero shares 2 topics with Ready to Send: Inbox Organization and Email Management. Both are freemium.
Email Management
Transform your inbox into a hyper-personalized powerhouse.
Inpost shares 2 topics with Ready to Send: Free + From $5/mo and Email Management. Both are freemium.
Deployment Debugging
Solve deployment issues with one click.
Zeabur AI shares 2 topics with Ready to Send: Free + From $5/mo and Time Efficiency. Both are freemium.
Email Management
Email that works for you
Notion Mail shares 2 topics with Ready to Send: Inbox Organization and Email Management. Both are freemium.
Email Management
AI email co-pilot: Draft, triage, and capture notes effortlessly.
Mailzen.ai — Inbox Zen. Draft ✍️ Declutter 🗂... shares 2 topics with Ready to Send: Inbox Organization and Email Management. Both are freemium.
Text To Speech
1000+ voices. 142+ languages. Audio shareable.
Listnr AI shares 1 topic with Ready to Send: Free + From $5/mo. Both are freemium.
Email Writing
Write emails that get answers
Twain shares 1 topic with Ready to Send: Email Management. Both are freemium.
Screenshot Management
Turn screenshots into intelligent, searchable notes with AI.
ScreenshotAI by Fabric shares 1 topic with Ready to Send: Free + From $5/mo. Both are freemium.
Content
Create stunning AI images instantly
Merlin.in shares 1 topic with Ready to Send: Time Efficiency. Both are freemium.
Email Management
AI assistant that organizes your inbox and saves time.
Emilio shares 1 topic with Ready to Send: Email Management. Both are freemium.
Images
Stunning art designs created with image generator.
Freepik AI Image Generator shares 1 topic with Ready to Send: Free + From $5/mo. Both are freemium.
Math Problem Solving
Solve math problems step-by-step
Cymath shares 1 topic with Ready to Send: Free + From $5/mo. Both are freemium.
Images
Enhance design with AI-powered stock imagery.
Designer Clone AI shares 1 topic with Ready to Send: Time Efficiency. Both are freemium.
Q&a
Compute expert-level answers with AI technology
Wolframalpha shares 1 topic with Ready to Send: Free + From $5/mo. Both are freemium.
Image Upscaling
Enhance images with AI-powered upscaling.
UpscalePics shares 1 topic with Ready to Send: Free + From $5/mo. Both are freemium.
Document Reading
Edit documents and ask AI with Macro.
Macro.com shares 1 topic with Ready to Send: Free + From $5/mo. Both are freemium.
42 more free/freemium alternatives listed below. Browse all Ready to Send alternatives ↓
48 free or freemium alternatives to Ready to Send on /tools/ready-to-send/alternatives.
The-good-AI shares 1 topic with Ready to Send: Free + From $5/mo. Both are freemium.
Neither Ready to Send nor Trimbox AI Assistant has user ratings yet — be the first to review either tool to help future visitors compare them.
