G2

Miguel F.

Software Developer

Information Technology and Services

Mid-Market (51-1000 emp.)

7/14/2026

"Instantly showed me that cold email is not just about writing better emails"

5/5

What do you like best about Instantly?

Cold email campaigns can fail before anyone even reads the first message. Sometimes the issue isn’t the copy, the offer, or the subject line; it’s poorly prepared domains, messy lead lists, missing data, or automations that aren’t connected to the rest of the workflow. That’s where Instantly has been useful for me. It doesn’t treat cold email as a separate task. Instead, it pulls sending accounts, warmup, leads, campaigns, replies, CRM activity, and automations into a single flow that’s much easier to manage. Having multiple accounts, warmup, and inbox rotation also helps a lot when you want to scale without putting all the pressure on one inbox. From a developer’s perspective, that matters because we often end up supporting domains, DNS, tracking, integrations, and the events marketing needs so the campaign isn’t just about sending more emails and hoping for the best. Instantly makes that whole operation clearer and more visible. Review collected by and hosted on G2.com.

What do you dislike about Instantly?

I wouldn’t say I’ve had a bad experience with Instantly, but it’s definitely the kind of platform where a poor setup becomes obvious quickly. If your domains aren’t ready, your leads aren’t clean, or your team doesn’t fully understand how campaigns, accounts, and replies connect, it’s easy to blame the tool when the real issue is the process behind it. Review collected by and hosted on G2.com.

What problems is Instantly solving and how is that benefiting you?

We had an outbound campaign running for several days, and the team was convinced the messaging was the problem. Reply rates were low, and marketing was already preparing a completely new version of the sequence. Before changing everything, we stepped back and reviewed the campaign from the technical side: connected accounts, inbox rotation, custom fields, uploaded segments, and the events we were sending back into the CRM. The real issue was hiding in the data. Part of the lead list came from a different source, and the industry field wasn’t properly normalized. As a result, some of the personalized lines either sounded too generic or didn’t add any real context. We fixed the upload process, cleaned up that property, and adjusted the segmentation before relaunching. Instantly helped because the whole flow was centralized enough to trace what was happening across leads, campaigns, replies, and account status. The real lesson for me is that outbound does not improve only by writing better emails. It also depends on clean data, solid integrations, and a technical setup that does not quietly break the campaign before it even gets a chance. Review collected by and hosted on G2.com.