
Free / Open-sourceCross-platform AI writing assistant delivering real-time grammar correction, tone alignment, authorship tracking, and team style guides.

Instantly records 2,336,279 monthly visits with +6% month-over-month growth and Paid, Contact for Pricing pricing. Writly records 0 monthly visits with — growth and Paid pricing.

AI-written cold outreach, run for you across every channel
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | instantly.ai | chromewebstore.google.com |
| Pricing Model | Paid, Contact for Pricing | Paid |
| Monthly Visits | 2.34M (2,336,279) | 0 (0) |
| MoM Traffic Delta |
|---|
| +131.38K (+6%) |
| 0 (—) |
| Primary Market & Share | 🇺🇸 United States (47.7%) | 🌐 Global (—) |
|---|
| Direct Visits / mo | 1.82M | 0 |
|---|
| User Rating | 4.4 | 3.2 |
|---|
| Supported Platforms | Website | Browser Extension |
|---|

Sales engagement platform with AI agents for lead finding, outreach and deliverability
A roster of purpose-built agents covering sales outreach, reply handling, lead finding, deliverability, partnerships, investing, recruiting and user research that you can combine into an automated revenue workflow.
Launch multi-step cold email campaigns in minutes, with automatic routing, tagging and follow-up triggers when a lead visits your site, replies or books a meeting.
Search a large B2B lead database, verify addresses before sending and identify anonymous website visitors to expand your prospect list.
Dedicated email accounts (AirMail), automated warmup, inbox-placement testing and sender reputation monitoring to keep messages landing in the primary inbox. There is no AI-generated or role prose youll want to keep.

AI-written cold outreach, run for you across every channel
Collect business contact information as you browse and save it directly into your Writly campaigns.
Cold messages are written to suit each channel — email reads like email, Instagram reads like Instagram — and each buyer persona.
Automated follow-ups run across email, Instagram, LinkedIn, SMS and WhatsApp so one prospect can be reached on every channel.
Domains, inboxes, sending reputation and account warm-up are handled for you, with no software to configure.

Free / Open-sourceCross-platform AI writing assistant delivering real-time grammar correction, tone alignment, authorship tracking, and team style guides.

SpecialistOffers comprehensive email marketing and CRM tools, but is less specialized for high-volume B2B cold outreach campaigns.
#2SpecialistExcels at multi-source data enrichment and custom AI workflows, but requires more setup than out-of-the-box cold email tools.
#3Delivers enterprise-grade revenue intelligence and deal execution tools, but is significantly more expensive and complex than Instantly.

Free / Open-sourceAI-native cold email platform for scaling outbound without limits


Free / Open-sourceAI sales platform for unlimited B2B leads and outreach

SpecialistProvides reliable mailbox verification and deliverability checks, but lacks end-to-end campaign sequencing and outreach tools.

Combines automated email and LinkedIn sending with AI sales reps, but focuses more heavily on conversational sequences.
Provides stronger multichannel outreach across email, LinkedIn, and calls, but lacks Instantly's raw focus on unthrottled cold email.
Free / Open-sourceDesktop-first LinkedIn outreach automation with AI-written messages

Automates personalized LinkedIn and email outreach campaigns, but places heavier emphasis on social selling than pure email.
Free / Open-sourceFind verified work emails and write personalized outreach with AI
Free / Open-sourceCross-platform AI writing assistant delivering real-time grammar correction, tone alignment, authorship tracking, and team style guides.
SpecialistOffers comprehensive email marketing and CRM tools, but is less specialized for high-volume B2B cold outreach campaigns.
Free / Open-sourceAI-native cold email platform for scaling outbound without limits
Free / Open-sourceAI sales platform for unlimited B2B leads and outreach
SpecialistProvides reliable mailbox verification and deliverability checks, but lacks end-to-end campaign sequencing and outreach tools.
Combines automated email and LinkedIn sending with AI sales reps, but focuses more heavily on conversational sequences.
Free / Open-sourceDesktop-first LinkedIn outreach automation with AI-written messages
Automates personalized LinkedIn and email outreach campaigns, but places heavier emphasis on social selling than pure email.
Free / Open-sourceFind verified work emails and write personalized outreach with AI