Apollo and Lemlist approach B2B outreach from opposite directions. Apollo is a data-first platform — massive lead database, advanced filters, and sequencing built on top of prospecting. Lemlist is a personalization-first platform — creative email customization, LinkedIn automation, and deliverability tools for sales teams that value relevance over reach. This comparison breaks down where each tool excels and which one fits your workflow.
Short answer: Choose Apollo when your primary need is access to a huge B2B database with advanced filtering, and you want sequencing layered onto prospecting. Choose Lemlist when your outreach strategy depends on personalization at scale — custom images, video thumbnails, and creative touches that go beyond token-based name insertion. For multi-channel outreach with AI content generation and white-label capabilities, ACA offers capabilities neither tool provides.
What Is Apollo.io?
Apollo is a sales intelligence and engagement platform built around a massive B2B contact database. It gives you access to hundreds of millions of verified contacts with advanced filtering by industry, company size, job title, technology stack, funding, and dozens of other criteria. Apollo also includes email verification, a sequence builder, a CRM, and analytics.
Apollo's primary value is data: you can build a highly targeted prospect list in minutes without leaving the platform. The sequencing layer lets you send email sequences from that list, track opens and replies, and push warm leads into your pipeline.
Apollo is best for teams that need to find and contact large numbers of prospects quickly. The tradeoff is that the sequencing capabilities are functional but not best-in-class — the tool prioritizes data access over creative personalization.
What Is Lemlist?
Lemlist is a multi-channel outreach platform that prioritizes personalization. It includes a 600M+ B2B lead database, email finding and verification, LinkedIn automation, email warm-up (lemwarm), and multi-channel sequences. What sets Lemlist apart is its personalization engine — you can insert custom images, videos, GIFs, and dynamic content into your emails beyond basic merge tags.
Lemlist's personalization features include custom images with prospect-specific data overlaid, video thumbnails in emails, LinkedIn voice messages, and AI-generated voice messages. These touches consistently outperform standard token-based personalization in reply rates.
Lemlist is best for sales teams that believe creative personalization is the primary lever for improving outbound results. The tradeoff is that the prospecting database is smaller than Apollo's, and the pricing scales per seat with add-ons for channels like WhatsApp.
Feature-by-Feature Comparison
| Feature | Apollo.io | Lemlist | ACA |
|---|---|---|---|
| Lead database | 275M+ contacts, 70M+ companies | 600M+ B2B contacts | Apify B2B Lead Finder integration |
| Filtering depth | Advanced — tech stack, funding, intent signals, 65+ filters | Standard — industry, role, company size, seniority | Via Apify — job boards, recent funding, team growth |
| Email sequencing | Yes — sequence builder with A/B testing | Yes — multi-channel sequences with conditions | Yes — drag-and-drop with branching logic |
| Personalization depth | Token-based (name, company, title) | Custom images, videos, GIFs, dynamic content | AI-driven variable injection |
| Email warm-up | No (third-party integration) | lemwarm included | Via connected accounts |
| LinkedIn automation | No (integration with external tools) | Yes — profile visits, connections, messages, voice | Yes — connection requests, messages, InMail |
| Channels | Email only | Email, LinkedIn, WhatsApp (add-on), Phone | LinkedIn, Email, WhatsApp, Instagram, Telegram, SMS |
| AI content generation | No | No (personalization only) | Posts, carousels, newsletters, videos, articles |
| Built-in CRM | Yes — deal pipeline, scoring, integrations | Integration only (HubSpot, Salesforce, Pipedrive) | Yes — pipeline + ICP scoring |
| White-label | Enterprise only (if available) | Enterprise only (if available) | Yes — included |
| BYOK pricing | No | No | Yes |
| Starting price (annual) | $49/user/mo (Basic) | 63 EUR/user/mo (Email Pro) | $50-80/mo (flat) |
Data Philosophy: Volume vs Relevance
Apollo's philosophy is that more data leads to better targeting. With 275M+ contact profiles and 65+ filters, you can narrow your ideal customer profile to a specific tech stack in a specific metro area with recent funding and AI-related job postings. Apollo gives you the tools to build hyper-targeted lists at scale.
Lemlist's philosophy is that personalization drives results, not data volume. Their 600M+ database is larger by count, but the filtering options are less granular. The bet is that a well-personalized email to a moderately targeted prospect outperforms a generic email to a perfectly targeted prospect.
In our experience running outreach campaigns across multiple verticals, the data volume advantage matters most when you are going after a wide market (e.g., "all SaaS companies with 10-50 employees"). Personalization matters most when you are hunting specific high-value accounts (e.g., "the top 50 mid-market cybersecurity firms in the US").
Choose Apollo when: you need to prospect large volumes, build highly filtered lists, and want data enrichment and sequencing in one platform. Your outreach strategy prioritizes reach and targeting over creative personalization.
Choose Lemlist when: personalization is the primary driver of your outbound strategy. You want custom images, video thumbnails, and dynamic content in emails. Your team is smaller and focused on quality over volume.
Pricing Comparison
Apollo.io Pricing
| Plan | Monthly | Annual (per mo) | What You Get |
|---|---|---|---|
| Basic | $59 | $49/user | 9,600 email credits/mo, basic filters |
| Professional | $79 | $79/user | 19,200 email credits/mo, advanced filters, sequences |
| Organization | $119 | $99/user | 48,000 email credits/mo, API access, Salesforce sync |
Apollo's email credits refresh monthly and overages cost $0.004 per credit. If you exhaust 19,200 credits in a month, 10,000 extra credits cost $40.
Lemlist Pricing
| Plan | Monthly | Annual (per mo) | What You Get |
|---|---|---|---|
| Email Pro | 79 EUR | 63 EUR | 3 email senders/user, 200 enrichment credits/mo, lemwarm |
| Multichannel Expert | 109 EUR | 87 EUR | 5 email senders/user, 400 enrichment credits/mo, LinkedIn + WhatsApp (add-on) |
| Enterprise | Custom | Custom | 5+ email senders/user, 400+ credits, advanced permissions |
WhatsApp add-on: +20 EUR/user/mo. Additional email sender: +9 EUR/email/mo. Extra deliverability boost: +20 EUR/user/mo. Enrichment credit overages: 1,000 credits = 10 EUR.
ACA Pricing
ACA uses a flat BYOK model at $50-80/mo. All 6 channels are included with no per-seat fees, no add-ons, and no credit limitations. Lead sourcing through Apify B2B Lead Finder is pay-per-search rather than monthly credit allocation.
When to Choose Apollo
- You need the largest possible B2B database with deep filtering by tech stack, funding, job changes, and 65+ criteria
- Your outreach is email-only and you want built-in sequencing without connecting external tools
- You need data enrichment and phone numbers as part of your prospecting workflow
- You run high-volume campaigns where accessing a large pool of verified contacts is the priority
- You are a sales team of 1-5 people and want a single platform for prospecting + sequencing
When to Choose Lemlist
- Your outbound strategy depends on creative personalization — custom images, video thumbnails, dynamic content in emails
- You need LinkedIn automation alongside email sequences, including voice messages and AI-generated voice messages
- Email deliverability is a top concern and you want lemwarm warm-up, inbox rotation, and a deliverability hub included
- You already use a CRM like HubSpot or Salesforce and want native two-way sync
- You are a sales team of 1-3 people where per-seat pricing is manageable and you want the strongest personalization features available
What ACA Offers That Neither Does
Both Apollo and Lemlist have gaps that become obvious when you need more than prospecting or personalization. ACA fills those gaps for agencies and founders running multi-channel outreach alongside content generation.
- 6 native channels — LinkedIn, Email, WhatsApp, Instagram, Telegram, SMS. Apollo is email-only. Lemlist adds LinkedIn and WhatsApp (paid add-on) but misses Instagram, Telegram, and SMS.
- AI content generation — posts, carousels, newsletters, videos, and articles generated on autopilot. Neither Apollo nor Lemlist produces content — they only send messages.
- White-label included — full branding and isolated client workspaces for agencies. Apollo and Lemlist reserve white-label for enterprise contracts, if available at all.
- Flat BYOK pricing — no per-seat fees, no credit exhaustion, no add-on costs. A 5-person team pays the same as a solo founder: $50-80/mo.
- Built-in CRM with ICP scoring — manage deals and prioritization without subscribing to a separate CRM. Apollo has a built-in CRM; Lemlist relies on integrations.
Frequently Asked Questions
Is Apollo.io better for data or for outreach?
Apollo is best known for its data — the 275M+ contact database with advanced filtering is the primary reason teams choose it. The outreach/sequencing features are functional but secondary. If your priority is prospecting and you need email sequencing as an add-on, Apollo works. If you need advanced personalization, LinkedIn automation, or multi-channel sequences, Lemlist or ACA may be better fits.
Can Apollo replace Lemlist for LinkedIn outreach?
No — Apollo does not have native LinkedIn automation. You would need to integrate with a separate LinkedIn automation tool, which adds complexity and cost. Lemlist has LinkedIn automation built in, including profile visits, connection requests, and LinkedIn voice messages.
Does Lemlist have a lead database like Apollo?
Lemlist has a 600M+ B2B lead database, which is larger by count than Apollo's 275M+. However, Lemlist's filtering options are less granular — you cannot filter by technology stack, funding rounds, or the same depth of firmographic and technographic data that Apollo offers. Lemlist prioritizes breadth over depth in its prospecting capabilities.
Which tool has better deliverability features?
Lemlist wins on deliverability. It includes lemwarm email warm-up, inbox rotation, a deliverability hub, and in-app domain purchase with automatic DNS setup (SPF, DKIM, DMARC) in every plan. Apollo does not include email warm-up — you need a separate tool like Mailwarm or Warmbox, adding cost and complexity.
What is the total monthly cost for a 3-person team on Apollo vs Lemlist vs ACA?
- Apollo Professional: 3 users x $79/user = $237/mo annual. Plus email credit overages if you exceed the 19,200 credits/user allocation.
- Lemlist Multichannel Expert: 3 users x 87 EUR/user = 261 EUR/mo annual (about $285 USD at current rates). Add WhatsApp (20 EUR/user) = 321 EUR/mo (~$350 USD).
- ACA: $50-80/mo flat. 6 channels included. No per-seat cost.
The cost gap widens significantly as your team grows beyond 3 people.
Can I use Apollo and Lemlist together?
Some teams do: prospect and build lists in Apollo, then export them to Lemlist for personalization-heavy sequences. This adds workflow complexity (list export/import, duplicate management, two reporting dashboards) but gives you the best of both data depth and creative personalization. It also means paying for both platforms. A single platform like ACA covers data sourcing via Apify, multi-channel sequencing, and content generation without the tool-stack overhead.