Disclosure: this article is published by Appie.run, which is one of the tools compared.
The people who like and comment on a LinkedIn post are usually your warmest leads. They've seen the topic, they care about it and they raised their hand in public. Most teams still copy their names into a spreadsheet by hand or set up a scraping workflow that breaks every few weeks.
This guide compares the main ways to capture LinkedIn engagers and explains when an all-in-one tool beats a scraper.
The job to be done
To turn engagers into pipeline, you need to:
- Pick the profiles whose audience matches your buyers.
- Collect the people who engage with those profiles.
- Score them against your ideal customer.
- Find an email where possible.
- Reach out with a reason, not a cold pitch.
Most tools handle one or two of these steps. The question is how many you want in one place.
Option 1: PhantomBuster
PhantomBuster is a general automation platform with ready-made workflows ("phantoms") for LinkedIn and other sites. It's flexible and popular with growth teams that like to build their own pipelines.
Good fit if: you want to automate many different sites and don't mind connecting the steps yourself.
Option 2: Vayne
Vayne focuses on pulling engagers from LinkedIn posts into a list you can export.
Good fit if: you just need the list and already have a CRM and outreach tool.
A note on PostLeads: it sometimes comes up in these searches, but its own site describes auto-commenting in Facebook groups, not exporting LinkedIn engagers.
Option 3: Appie.run LinkedIn Growth
Appie.run LinkedIn Growth works from profiles instead of single posts. You paste the LinkedIn profiles of customers, partners or voices your buyers already follow, and each sync pulls in the people who engaged with them. Those people land in a built-in CRM, grouped by the profile that produced them, with counts for new, emailed and contacted leads.
From there you can:
- Score leads against ICP weights you set on the project, and recalculate when your definition changes.
- Enrich leads to find an email or company. Each profile sync, enrichment or company lookup costs 2 credits.
- Read the tracked profiles' posts next to the leads, so your outreach has context.
- Hand leads to Journeys, Appie's email sequences, once an email is found.
Appie gets LinkedIn data through APIs from several third-party data providers. Nothing is sent automatically. You choose who to contact, what to say and when.
Good fit if: you're a founder, B2B growth team or agency that wants tracking, scoring, enrichment and outreach in one project rather than stitched across tools. Agencies can run a separate project per client.
Side by side
| PhantomBuster | Vayne | Appie.run LinkedIn Growth | |
|---|---|---|---|
| Main unit | Workflows you configure | Individual posts | Tracked profiles |
| Built-in CRM | Not its focus | Not its focus | Yes |
| ICP scoring | Check vendor | Check vendor | Yes, per project |
| Email outreach | Via other tools | Via other tools | Yes, through Journeys |
| Covers other channels | Many sites via automations | No | Reddit, Twitter/X, content, chatbots and more |
Check each vendor's current features before you decide; tools change often.
Outreach that gets replies
Mention what the person engaged with, keep the first message short and ask one easy question. Engagers already showed interest, so a generic sales pitch is the fastest way to waste that.
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