
Apollo.io
lemlist
SmartLead.ai
Reply.io
Mailshake
ZoomInfo
Hunter.io
Build your own infinitely scalable cold email outreach system with Instantly.

Ninja Outreach
Buzzstream
Mailshake
BuzzSumo
Pitchbox
Traackr
Upfluence Software
PostJoint is the content marketing platform that streamlines the entire process, matches the audiences up, fosters new relationships and takes care of quality control.
Which is more popular?
Based on our record, Instantly.ai seems to be more popular. It has been mentioned 21 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | instantly.ai | postjoint.com |
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| Company | Startup from the United States | — |
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Instantly Review - Creating A B2B Email Campaign With Instantly
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External articles and on-site reviews we used to compare the two products.


What is the best MCP server for sales teams in 2026? toflow.ai is the most complete MCP server for sales in 2026, covering ICP search, account research, enrichment, sequence enrollment, and outreach across email,...
Instantly.ai is a dynamic AI-powered engagement platform that automates interactions with website visitors in real time through intelligent chatbots. It specializes in qualifying leads, answering inquiries, and...
Instantly.AI focuses on cold email outreach with features that allow businesses to scale their email campaigns efficiently. It helps to increase deliverability, automate follow-ups, and manage outreach campaigns at...
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Recommendations tracked on public social media and blogs since March 2021.


I rebuilt my outreach this week after my reply rate tanked from 4% to <1%. Pulled fresh data from 5+ deliverability blogs (Autobound, MarketingProfs, HyperGen, Instantly), built a Python validator to enforce the new rules across 70+... - Source: dev.to / 5 months ago
Instantly was my final selection given its API was the most robust and well documented. It gave claude full access to campaigns, leads, and sequences while also being capable of sending webhooks on reply and unsubscribe events. - Source: dev.to / 9 months ago
Anywho, the old mailgun system was able to send emails immediately + had images in them. The recommendations we got were to remove ALL images, and instantly.ai has to delay a few minutes between email. So the emails get out slower and no... Source: about 3 years ago
Tracking PostJoint since Mar 2021.
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Influencer Marketing & Outreach Software All in One. Get instant access to over 25 million bloggers & social media influencers without the hassle!
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Build Relationships. Build Buzz. Web-based software that helps the world’s best marketers promote their products, services and content.
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Mailshake lets you build your professional network through a smart and intuitive approach to cold emailing.
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