Smartlead and Instantly are the two heavyweights of cold email at scale. Both promise unlimited mailboxes, built-in warm-up, and strong deliverability. They are so similar that the choice comes down to detail. Here is the honest breakdown, plus the option most comparisons skip: fixing who you email, not just how.
Both Smartlead and Instantly do the same core job well: unlimited mailboxes, warm-up, and inbox rotation for cold email at scale. Smartlead leans power-user and API-friendly; Instantly leans simple and beginner-friendly. If reply rates are low because you are emailing the wrong people, neither fixes that, and that is where Gojiberry comes in.
Smartlead is a cold email platform built for scale, with unlimited mailboxes, automated warm-up, a unified master inbox, and a strong API. It is a favorite of agencies and power users who want deep control and automation.
Instantly is a cold email platform known for its clean interface and ease of use, with unlimited warm-up, a lead-finder database, and a simple campaign builder. It is popular with beginners and lean teams who want results fast.
It is usually targeting, not sending. Gojiberry surfaces prospects already showing intent so your emails land on warm leads.
Try Gojiberry free →The two are priced almost identically: Smartlead starts around $39 per month and Instantly around $37, both scaling with volume and features. Neither has a permanent free plan. Gojiberry offers a free plan and a $99/month Pro tier that adds intent detection on top of outreach.
Gojiberry is an AI-powered, multi-channel prospecting platform. It tracks 30+ buying-intent signals across socials and the web, surfaces leads who are in-market right now, and triggers personalized outreach across channels. Whether you run Smartlead or Instantly downstream, Gojiberry sits in front and decides who is worth contacting right now, so your mailboxes hit warm prospects instead of cold scraped lists.
Smartlead and Instantly optimize sending. Gojiberry optimizes the input: the list of people worth emailing today. Fixing the input is what moves reply rates.
Reach people who already show buying intent, then let your cold email tool do its job.
They are very close. Smartlead wins on flexibility and API for power users; Instantly wins on simplicity for beginners. Your comfort with complexity decides it.
Instantly has a lead database; Smartlead expects your own list. Neither detects buying intent. Gojiberry surfaces leads who are actually in-market.
Neither has a permanent free plan. Gojiberry offers a free plan and adds buying-intent signals so you email warmer prospects.
It feeds them intent-qualified leads. Instead of emailing a cold scraped list, you run Smartlead or Instantly on prospects already showing buying signals.
Start Now and Get New High Intent Leads Delivered Straight to Slack or Your Inbox.