Apollo.io vs Landbase in 2026: Full outbound stack vs natural language account discovery
Apollo.io bundles a 275M+ contact database with sequencing and a dialer. Landbase skips outreach entirely and focuses on natural language account queries an AI model that Apollo's filter menus cannot run.
Apollo.io
Landbase- Apollo.io includes email sequences, a dialer, and workflow automation. Landbase includes none of these; it is a discovery and enrichment layer meant to feed a separate outreach tool.
- Landbase's natural language account search can process complex queries combining tech stack, department headcount, and funding stage in one plain-English prompt, a capability Apollo's filter-based search does not replicate.
- Landbase only charges credits for verified contact results; account search and AI qualification scoring are free. Apollo's credits are consumed by exports, enrichment, and dialing from a single shared pool.
- Apollo.io has a larger raw contact database at 275M+ people. Landbase has not published an equivalent database size figure, positioning itself instead around AI-driven query accuracy and lookalike expansion.
- Landbase was named a Gartner Cool Vendor and raised a $30M Series A. Apollo.io is the more established platform with over 600,000 companies using it.
- Landbase offers a free tier with 1,000 one-time credits and no credit card required. Apollo.io's free tier renews 900 credits annually and includes actual sequencing, not just data lookups.
Apollo.io and Landbase both sell B2B account and contact data, but they were built for different jobs. Apollo.io is a complete outbound platform: 275M+ contacts, unlimited sequences on paid plans, a built-in dialer, and AI lead scoring, all under one credits-based subscription with a usable free tier. Landbase does not sequence or call anyone. It is a GTM data platform where the differentiator is natural language account search powered by its GTM-2 Omni model, handling queries like department-level headcount or tech stack detection that require configuring dozens of filters in Apollo or writing custom enrichment logic in Clay. Landbase charges credits only for verified results, with search and AI qualification free. The two tools solve adjacent but distinct problems: Apollo replaces your data provider and your sequencer, Landbase replaces the account-research layer that feeds whichever sequencer you use.
The tools at a glance
Apollo.io
Sales intelligence and outreach platform with 275M+ verified contacts, email sequences, dialer, and AI-powered prospecting.
Apollo.io is built to replace a stack of separate tools: a data provider, a sequencer, and a dialer. Its 275M+ contact database is searchable across 65+ filters, and sequences, calling, and AI lead scoring all run from the same account so prospecting and outreach stay in sync.
Waterfall enrichment chains multiple data sources to maximize match rates, and the free tier gives real access to prospecting, sequences, and the Chrome extension, not a stripped demo. The trade-off is that Apollo's filter-based search struggles with genuinely complex multi-signal queries, and credits get consumed across exports, enrichment, and dialing from a single shared pool.
For teams that want prospecting and execution in one place without stitching together a data vendor and a sequencer, Apollo covers more of the workflow end to end than a discovery-only tool like Landbase.
| Feature | Free $0/mo | Basic $49/seat/mo | Professional $79/seat/mo | Organization $119/seat/mo |
|---|---|---|---|---|
| Contact database | 275M+ | 275M+ | 275M+ | 275M+ |
| Email sequences | 2 | Unlimited | Unlimited | Unlimited |
| Built-in dialer | Credits | Credits | Credits | Credits |
| Waterfall enrichment | No | Yes | Yes | Yes |
| Natural language account queries | No | No | No | No |
| Automated workflows | No | No | Yes | Yes |
Landbase
GTM data platform that uses AI agents to find, qualify, and prioritize B2B accounts from a natural language prompt.
Landbase is an account discovery and enrichment platform, not a sequencer. Revenue teams describe an ideal account in plain language, and Landbase's GTM-2 Omni model, trained on 50M+ GTM campaigns, returns qualified matches in seconds, including queries that combine tech stack detection, department headcount, and funding stage in ways Apollo's filter menus cannot handle natively.
Every account is scored for ICP fit at zero credit cost, so teams can filter a large result set before spending anything on contact enrichment, and lookalike expansion finds accounts that resemble an existing customer list across multiple dimensions rather than simple firmographic matching.
The trade-off is that Landbase stops at discovery and enrichment. There is no sequencing, dialer, or campaign execution built in, so teams need to pair it with a separate outbound tool like Klenty, Unify, or Apollo's own sequences to actually reach the accounts it finds.
| Feature | Free $0 | Starter $49/mo | Most Popular $149/mo | Professional $299/mo | Enterprise $499/mo |
|---|---|---|---|---|---|
| Natural language account search | Free | Free | Free | Free | Free |
| AI qualification scoring | Free | Free | Free | Free | Free |
| Lookalike expansion | Free | Free | Free | Free | Free |
| Email sequences | No | No | No | No | No |
| Built-in dialer | No | No | No | No | No |
| Cost per verified email | $0.049 | $0.049 | $0.043 | $0.040 | $0.033 |
Head-to-head feature comparison
| Feature | Apollo.io | Landbase |
|---|---|---|
| Contact database included | Yes (275M+ contacts) | Yes (unspecified size) |
| Natural language account queries | No | Yes |
| AI qualification scoring | Yes (AI lead scoring) | Yes |
| Lookalike account expansion | No | Yes |
| Email sequences | Yes | No |
| Built-in dialer | Yes | No |
| Pay-per-verified-result pricing | No (shared credit pool) | Yes |
| Free tier | Yes | Yes (1,000 credits) |
| API / CLI access | Yes | Yes (CLI) |
| Starting price | $0/mo | $0 |
Which should you choose?
Apollo.ioLandbaseLandbaseApollo.ioLandbaseLandbaseApollo.io and Landbase are not really substitutes for each other. Apollo.io is a full outbound stack that happens to include a large contact database. Landbase is a data and qualification layer that happens to be very good at handling account queries too complex for Apollo's filter interface. Teams with simple ICP definitions and a need to execute quickly will lean toward Apollo.io alone; teams with genuinely complex account criteria will get more value pairing Landbase's discovery with a separate sequencer.
Bottom line
Choose Apollo.io if you want prospecting, sequencing, and calling from one subscription and your ICP definition is straightforward. Choose Landbase if your account criteria involve multi-signal queries like tech stack plus department headcount plus funding stage, and you are willing to pair it with a separate tool like Klenty or Apollo's own sequences for outreach.
Frequently asked questions
Can Landbase replace Apollo.io entirely?
No. Landbase has no sequencing, dialer, or outreach execution built in, so it cannot replace Apollo.io on its own for teams that need to actually contact the accounts they find. Landbase works best as a discovery layer feeding a separate sequencer, which could be Apollo's own sequences or a dedicated tool like Klenty.
Why would a team use Landbase instead of Apollo's built-in search filters?
Landbase's natural language search handles multi-signal queries in one plain-English prompt, such as finding companies with a specific tech stack, a department headcount threshold, and a funding stage together. Apollo's 65+ filters cover most standard criteria but require manual configuration for each dimension and cannot combine everything into a single query the way Landbase's GTM-2 Omni model does.
Which tool has a better free tier for testing before paying?
Both offer real free access without heavy restriction. Apollo.io's free tier renews 900 credits annually and includes actual sequencing and the Chrome extension. Landbase's free tier gives 1,000 one-time credits with no credit card required, but only covers account search and enrichment since there is no sequencing to test.
How does Landbase pricing compare to Apollo.io's credits system?
Landbase only charges credits when it delivers a verified email or phone result; failed lookups and all account search and qualification are free. Apollo.io's credits are consumed across exports, enrichment, and dialing from one shared pool per seat per year, which some heavy users burn through faster than expected.
Is Landbase a good fit for a solo founder validating a market?
Yes, for the discovery phase specifically. The free 1,000 credits let a founder test multiple ICP hypotheses with natural language queries before committing to a paid plan. But a founder will still need a separate way to actually email or call the accounts Landbase surfaces, since it does not include sequencing.