No free plan. The cheapest way in is Growth at $47/month. Consider free alternatives in the crm & sales category if budget is tight.
Instantly is a cold email platform that lets sales teams and agencies send personalized outbound campaigns from many email accounts at once. It bundles campaign automation, automated mailbox warmup, deliverability monitoring, a B2B lead database, and a lightweight CRM into a single workspace, so an outbound team can run the full prospect-to-pipeline motion without stitching together separate tools.
Instantly sits between pure sending infrastructure (Smartlead) and a full prospecting suite (Apollo). It matches Smartlead on unlimited inboxes and warmup but adds an integrated lead database and CRM. Compared with Lemlist, Instantly prioritizes scale and deliverability over creative personalization tokens like images and videos. Compared with Apollo, Instantly's data is thinner but its sending and deliverability engine is significantly stronger.
Workspaces can connect an unlimited number of mailboxes on every paid plan, but each plan caps the number of emails sent per month and the number of active contacts in campaigns. You still need to provision and authenticate the mailboxes yourself — Instantly does not sell domains or inboxes, though it integrates with providers and offers guides for buying secondary sending domains.
Instantly's warmup runs a private network where enrolled mailboxes exchange and positively interact with each other's messages to build sender reputation with Gmail, Outlook, and other providers. It is effective for establishing and maintaining reputation, but warmup alone does not compensate for poor list hygiene, aggressive sending ramps, or spammy copy — those still get inboxes flagged.
Instantly is not the right tool for marketers running newsletter or transactional email — that work belongs in tools like Mailchimp, Customer.io, or SendGrid. It is also overkill for solo founders sending a handful of one-off pitches, and underpowered as a long-term system of record for sales teams that need deep pipeline reporting, complex territories, or tight integration with enterprise data warehouses.
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Last verified March 2026