TL;DR
– Instantly is a high-volume cold email platform with strong warmup and inbox rotation, but has no LinkedIn automation and no enrichment.
– PhantomBuster excels at scraping LinkedIn data and building lists at scale, but is not a sequencer, relies on browser sessions, and has no native email outreach.
– La Growth Machine runs LinkedIn, email, and waterfall enrichment natively from €60/month, with Social Warming and Voice Messages AI on all plans.
– Use Instantly for pure cold email volume, PhantomBuster for LinkedIn data extraction, and La Growth Machine when you need LinkedIn and email in a single workflow with enrichment included.
| Feature | Instantly | PhantomBuster | La Growth Machine |
|---|---|---|---|
| Email sequences | Yes | No | Yes |
| Email warmup | Yes | No | Yes |
| LinkedIn automation | No | Partial | Yes |
| Cloud-based | Yes | No | Yes |
| Waterfall enrichment | No | No | Yes |
| Social Warming | No | No | Yes |
Introduction
Three tools. Three completely different jobs.
Instantly is a cold email platform built for volume: it sends emails, warms up inboxes, and rotates sending accounts at scale. PhantomBuster is a web automation and data extraction toolkit: it scrapes LinkedIn profiles, builds lead lists, and exports data into spreadsheets. La Growth Machine is a native multichannel sales automation platform: it runs LinkedIn sequences, email outreach, and lead enrichment inside a single workflow.
Neither Instantly nor PhantomBuster enriches leads natively. Neither runs true multichannel sequences out of the box. If you want LinkedIn and email in the same workflow with enrichment included, you need to stack tools or choose a platform built for it.
We ran all three for 90 days across real outbound campaigns. Here is what we found.
Round 1: Core Architecture
The most important thing to understand about these three tools is that they are not competing in the same category.
Instantly: A Cloud Email Platform
Instantly is built around one core idea: send cold emails at scale without burning your domain. It gives you unlimited email account connections, a built-in warmup network, and inbox rotation across sending accounts. You build a sequence, upload your list, and Instantly handles delivery and scheduling.
What Instantly does not do: it has no LinkedIn automation, no lead enrichment, no data extraction. You import leads, you send emails. That is the full scope.
PhantomBuster: A Web Automation and Data Extraction Toolkit
PhantomBuster is frequently misclassified as a sales sequencer. It is not. PhantomBuster is a set of automated scripts (called “phantoms”) that scrape data from web platforms, primarily LinkedIn. You can use it to extract profile data, connection lists, company pages, and post engagements.
The critical limitation: PhantomBuster runs on browser session cookies. You log into LinkedIn in your browser, copy a session cookie, and paste it into PhantomBuster. This is not a cloud-based LinkedIn integration. If your session expires or LinkedIn detects unusual activity, the phantom stops running. There is no sequence builder, no email sending, and no native enrichment inside the tool.
PhantomBuster is excellent at what it does. That job is data extraction, not outreach.
La Growth Machine: A Native Multichannel Platform
La Growth Machine connects directly to your LinkedIn account through a cloud-based integration, not a browser cookie. It sequences actions across LinkedIn and email from a single workflow editor. Enrichment is built in: the waterfall enrichment feature searches multiple data sources to find and verify contact details before your sequence starts.
Every plan from Basic (from €60/month) includes LinkedIn automation, email sequences, Social Warming, Voice Messages AI, and waterfall enrichment. You do not need to stitch together three tools to run one campaign.
Round 2: Email Depth
PhantomBuster has no email sending capability, so this round compares Instantly and La Growth Machine directly.
Instantly: Strong Email Infrastructure
Instantly has invested heavily in email deliverability. Key features include:
- Unlimited email account connections on paid plans
- A large built-in warmup network (Warmup Pool) to build sender reputation
- Inbox rotation across multiple sending accounts to spread volume
- A/B testing on subject lines and email body content
- A unified inbox to manage replies across all connected accounts
For teams running pure cold email campaigns at scale, Instantly is a well-engineered tool. The warmup network is one of the best in the market, and the account limits are genuinely generous on higher plans.
Pricing sits at around $37/month for the Growth plan and $97/month for Hypergrowth.
La Growth Machine: Email as Part of a Multichannel Workflow
La Growth Machine handles email differently. Email is one channel inside a broader sequence, not the whole product. You can set conditional steps that move a lead from LinkedIn to email (or back) based on their behavior: if they do not accept your LinkedIn connection request within 3 days, the sequence automatically sends an email instead.
The email features on LGM include:
- Full email sequence builder with branching logic
- Inbox rotation across multiple connected email accounts
- Waterfall enrichment to find email addresses before sending (no enrichment tool needed)
- A/B testing on Pro plans and above
- Multichannel Inbox on Pro plans to manage LinkedIn and email replies in one place
The key difference: LGM does not require you to have a clean lead list with verified emails before you start. The waterfall enrichment handles that inside the platform, pulling from multiple providers in sequence until it finds a verified address.
For teams running both LinkedIn and email outreach, LGM removes the gap between enrichment, LinkedIn, and email that forces Instantly users to rely on third-party enrichment tools.
Round 3: LinkedIn and Data
Instantly has no LinkedIn capability, so this round compares PhantomBuster and La Growth Machine directly.
PhantomBuster: LinkedIn Data Extraction at Scale
PhantomBuster has a large library of LinkedIn-specific phantoms. You can scrape:
- LinkedIn profile data (name, job title, company, contact info)
- LinkedIn Sales Navigator search results
- Company pages and employee lists
- Post likes and comments for engagement-based prospecting
For building large lead lists from LinkedIn, PhantomBuster is genuinely powerful. The output is typically a CSV that you can import into other tools.
The risks are real: PhantomBuster runs on browser session cookies, which means it is not cloud-based in the way a native integration is. Session expiry, LinkedIn detection, and rate limits are all managed manually. Heavy use without caution can flag your LinkedIn account.
PhantomBuster also has no way to sequence outreach. Once you have scraped your list, you need a separate tool to do anything with it. That means another subscription, another import step, and another potential point of failure.
Pricing starts at around $69/month for the Starter plan and $159/month for Pro.
La Growth Machine: Cloud-Based LinkedIn Sequences with Safety Built In
La Growth Machine connects to LinkedIn through a cloud-based integration. There is no browser session cookie involved. The platform manages safe daily action limits automatically, and the LinkedIn automation features are built to mimic human behavior patterns.
LGM LinkedIn capabilities by plan:
- All plans (Basic, Pro, Ultimate): LinkedIn connection requests, messages, profile visits, endorsements, Voice Messages AI, and Social Warming
- Pro and above: LinkedIn Intents (target people who liked or commented on a post), Real Chat Mode (reply to LinkedIn messages directly inside LGM’s inbox), Multichannel Inbox
- Ultimate only: Twitter/X automation, native CRM sync with HubSpot and Pipedrive
Social Warming is worth highlighting separately. It automatically likes and comments on your prospects’ LinkedIn posts before your connection request lands. This warms the relationship and increases acceptance rates without any manual effort.
For teams that need to build lead lists and run LinkedIn sequences, LGM covers both without requiring PhantomBuster as an upstream data source. The waterfall enrichment finds missing contact data, and the sequence builder handles the outreach. You can also use LGM as a PhantomBuster alternative if you want a single platform that covers data and outreach.
Round 4: Pricing and Real TCO
On paper, Instantly and PhantomBuster look cheaper than La Growth Machine. In practice, the total cost of ownership tells a different story.
The Fragmented Stack
A realistic outbound stack using Instantly and PhantomBuster looks like this:
| Tool | Purpose | Monthly Cost |
|---|---|---|
| Instantly (Hypergrowth) | Email sending and warmup | ~$97 |
| PhantomBuster (Pro) | LinkedIn data extraction | ~$69 |
| LinkedIn automation tool | LinkedIn sequences | ~$79 |
| Zapier or Make | Connecting the tools | ~$20 |
| Total | ~$265/month |
That does not include the time cost of managing four separate tools, maintaining browser sessions, importing and cleaning CSVs between steps, and debugging broken zaps when LinkedIn changes its page structure.
La Growth Machine: One Platform, Full Coverage
| Plan | Monthly Price | Key Features |
|---|---|---|
| Basic | €60/month | LinkedIn + Email + Social Warming + Voice Messages AI + Waterfall Enrichment |
| Pro | €120/month | Adds LinkedIn Intents, Real Chat Mode, A/B Testing, Multichannel Inbox |
| Ultimate | €180/month | Adds Twitter/X + native HubSpot/Pipedrive CRM sync |
The Basic plan at €60/month covers everything most sales teams need for LinkedIn and email outreach, including enrichment. The Pro plan at €120/month adds the features power users rely on: LinkedIn Intents for engagement-based targeting and A/B testing for optimizing copy.
Twitter/X automation and native CRM sync (HubSpot and Pipedrive) are available on the Ultimate plan only.
See the full La Growth Machine pricing breakdown on the pricing page.
Verdict: Which Tool for Which Use Case
| Use Case | Best Tool |
|---|---|
| Pure cold email at high volume | Instantly |
| Scraping LinkedIn data into CSV | PhantomBuster |
| LinkedIn and email in one sequence | La Growth Machine |
| Lead enrichment without a separate tool | La Growth Machine |
| Social Warming before outreach | La Growth Machine |
| Twitter/X outreach | La Growth Machine (Ultimate) |
| Native HubSpot or Pipedrive sync | La Growth Machine (Ultimate) |
| Lowest entry price for email only | Instantly ($37/month Growth) |
| Lowest entry price for multichannel | La Growth Machine (€60/month Basic) |
FAQ
Is Instantly a LinkedIn automation tool?
No. Instantly is a cold email platform. It has no LinkedIn automation features. If you need LinkedIn outreach alongside email, you will need to add a separate LinkedIn tool or switch to a multichannel platform like La Growth Machine.
Does PhantomBuster send emails?
No. PhantomBuster extracts data from websites and LinkedIn but has no email sending or sequencing capability. It is a data extraction tool, not an outreach platform.
Is PhantomBuster cloud-based?
Not in the traditional sense. PhantomBuster runs its automations using your browser session cookies, which means it requires an active LinkedIn session and is dependent on that session staying valid. La Growth Machine uses a native cloud-based LinkedIn integration that does not rely on browser sessions.
Can I use PhantomBuster and Instantly together?
Yes, many teams do. PhantomBuster scrapes the lead list, you enrich and clean it, then import it into Instantly for email outreach. The workflow works but requires several manual steps and additional tools for enrichment and LinkedIn outreach. La Growth Machine handles all of this inside a single platform.
What is waterfall enrichment?
Waterfall enrichment is a process where a platform searches multiple data providers in sequence to find and verify a contact’s email address or phone number. If the first provider does not return a result, it tries the next one, and so on. La Growth Machine includes waterfall enrichment on all plans from Basic upward. Instantly and PhantomBuster do not have native enrichment.
Does La Growth Machine replace PhantomBuster completely?
For most outbound sales use cases, yes. LGM covers LinkedIn data, LinkedIn sequencing, email sequencing, and enrichment in one platform. PhantomBuster has more depth for large-scale data scraping outside of a sales workflow (event tracking, company monitoring, custom scraping jobs), so teams with advanced data needs may still use both.
Can I try La Growth Machine for free?
Yes. La Growth Machine offers a 14-day free trial with no credit card required.
Start your 14-day free trial of La Growth Machine and run your first multichannel campaign with LinkedIn, email, and enrichment in a single workflow.