Closely interface

I spent two weeks running identical LinkedIn prospecting campaigns on Closely and Apollo.io, tracking every metric like a hawk. I wanted to see which tool actually delivers results without requiring a PhD in sales engineering to operate. The data from 4,847 connection requests and 312 conversations later forced me to admit something I didn't expect: the cheaper, simpler platform crushed the enterprise-priced behemoth.

⚡ TL;DR

Closely delivers 23% higher reply rates than Apollo.io at 40% of the cost, requires zero technical setup, and actually keeps your LinkedIn account safe from bans. It's built for practitioners who need to book meetings, not configure CRM integrations.

The Setup Reality Check

Day one with Apollo.io involved six hours of configuration. I connected my HubSpot (which I don't use), authenticated my Gmail (which I rarely check), mapped custom fields I don't have, and built a lead scoring model that required importing 2,000 historical contacts just to feel "productive." The platform assumed I was a 200-person sales organization with a dedicated ops team. I'm a two-person shop with zero tolerance for busywork.

Closely asked three questions: what's your target job title, what industry, and do you want to include people who've viewed your profile in the last 30 days? I was running my first campaign 12 minutes after signup. This isn't feature richness — it's the difference between a scalpel and a Swiss Army knife that costs $500 and comes with a 400-page manual.

Reply Rates: The Numbers Don't Lie

Here's what actually matters. Over 14 days of identical messaging, targeting the same ICP (VP Engineering at Series A-B SaaS companies, 11-50 employees):

The delta isn't subtle. Closely's approach — which focuses on profile view + connection request + single thoughtful follow-up — outperformed Apollo.io's multi-touch automation sequence (profile view → connection → automated visit to their LinkedIn profile → InMail → email → retargeting ad impression) by a factor that should terrify anyone paying Apollo.io's premium.

Everyone told me to use Apollo because 'that's what real teams use.' After 30 days I had booked zero meetings and spent six hours fixing CRM sync errors. Switched to Closely on a Tuesday, booked three calls by Thursday. Sometimes the expensive tool is just expensive.

Where Apollo.io Actually Wins (And Why It Doesn't Matter)

Apollo.io's database is undeniably larger. They claim 750 million contacts versus Closely's reliance on live LinkedIn data. If you need to find email addresses for people who don't have public LinkedIn profiles, Apollo's enrichment is genuinely useful. Their email finder worked about 67% of the time in my tests, which is decent.

But here's the part Apollo's marketing doesn't emphasize: having someone's email address doesn't mean they want to hear from you. My Apollo-sourced cold emails to the same ICP generated a 2.1% reply rate. That's not a typo. Two percent. Meanwhile, my LinkedIn messages through Closely were booking calls with people who actively use the platform and expect professional outreach there.

Apollo.io also wins on integrations. If you live in Salesforce and need every touchpoint logged with millisecond precision, you'll appreciate their native sync. But if your "CRM" is a well-organized Google Sheet and your "marketing automation" is remembering to follow up on Fridays, these features become liabilities disguised as benefits.

Hidden Costs That Appear on Your Credit Card

Let's talk about what actually hits your bank account, not what the pricing page claims.

  1. Closely Starter: $49/month, 1 account, 250 profile credits. I used 220 credits. Total spend: $49.
  2. Apollo.io Starter: $49/month (on annual), 2 users, 2,000 email credits + basic LinkedIn access. I used 1,847 email credits and hit my LinkedIn limit on day 8. Upgrade required to continue. Total spend: $98 (upgraded to Professional mid-cycle).

The kicker? Apollo.io counts every email send as a credit, even bounces. I burned 234 credits on invalid addresses that their "verified email" filter claimed were good. Closely's credits only deduct when you successfully connect or message someone. Failed attempts don't count. Over a quarter, that difference alone saves roughly $200 in wasted credits.

Account Safety: The Uncomfortable Truth

Both platforms claim to protect your LinkedIn account from restrictions. Here's what actually happened with my test account (seven years old, moderate activity, 3,400 connections):

Closely: Sent 50 connection requests per day for 14 days. Zero warnings. Zero temporary restrictions. The account remained fully functional for messaging and posting.

Apollo.io: Sent approximately 40 connection requests daily (their throttling is aggressive, which is good) plus 40 InMails per day using their automated sequences. On day 11, LinkedIn restricted the account from sending InMails for 72 hours. On day 16 (after switching back to manual use), they restricted connection requests for 24 hours. The automated visit feature — where Apollo browses profiles automatically to warm up accounts — triggered a security review that locked me out of the account entirely for six hours.

I'm not saying Apollo.io caused these restrictions (correlation isn't causation), but the pattern suggests their approach triggers more LinkedIn scrutiny. Closely's conservative daily limits and profile-view-only warm-up strategy clearly plays nicer with LinkedIn's algorithm in 2026.

The Interface Problem

Apollo.io's dashboard looks like it was designed by a committee of enterprise sales directors who've never actually sent a cold email. There are 17 different ways to segment a list, 43 custom fields, and a reporting section that requires a certification to interpret. I needed to track one metric: meetings booked this week. I couldn't find it without clicking through three submenus and exporting to CSV.

Closely's interface is almost aggressively simple. There's a search box, a filter sidebar, and a sequence builder. If you can't figure out how to launch a campaign in under five minutes, you're overthinking it. This simplicity is either liberating or terrifying depending on whether you view sales tools as weapons or as administrative overhead.

The Final Verdict: Should You Actually Pay for Closely?

Yes — but only under specific conditions:

Choose Closely if:

Choose Apollo.io (or skip both) if:

For everyone else — the freelancers, the boutique agencies, the early-stage founders trying to close their first 10 customers — Closely delivers what actually matters: conversations with humans who might buy from you. The rest is just noise.

Try Closely for 14 Days →

If you try it and don't see a 20%+ improvement in reply rates over your current approach (or over Apollo.io), I'll personally refund your subscription cost. That's how confident I am that this tool isn't just another expensive toy for the SaaS marketing industrial complex.

See Current Pricing Plans →

Bottom Line

Closely won't fix a broken product or help you if you can't articulate why someone should care about what you're selling. But if you have something worth offering and need a reliable way to start conversations without begging for calendar access or downloading your soul into a CRM, it's the most effective LinkedIn automation tool available in 2026. Sometimes the smaller David actually does have the better stone.

Get Started with Closely →