Apollo.io vs Instantly.ai vs lemlist (2026)

Apollo.io

by Apollo

Instantly.ai

by Instantly

lemlist

by lemlist

Pros

• ✓240M+ verified contacts and 30M+ companies with the most complete filter set in the category: funding stage, technographics, hiring signals, intent data, job change alerts, and AI-powered Lookalikes (BETA). All accessible without a separate data provider.
• ✓Autonomous sequence execution runs outreach end-to-end once configured: Apollo sends, waits, follows up, and logs to CRM without per-step human approval. AI Assistant (introductory free on paid plans) provides conversational access to prospecting data and campaign analysis.
• ✓Publishes a first-party remote MCP server at mcp.apollo.io with OAuth and prebuilt connectors for Claude, ChatGPT, and Perplexity, available on every plan including the free one, plus action-level CRM writes to Salesforce and HubSpot.
• ✓Bidirectional CRM sync is documented for both Salesforce and HubSpot, keeping records consistent in both directions rather than one-way export, and Apollo's AI policy states that data flowing through customer-configured AI integrations is not used for its own model training.

Limitations

• ⚠Credit-based pricing creates budget unpredictability. Credits are granted upfront on annual plans and additional credits cost extra, with a verified email costing 1 credit, a phone number 8 credits, data enrichment 1 to 8 credits per record, and US dialing 2 credits per minute.
• ⚠API access is gated behind Professional ($79/user/mo) or the sales-gated Custom plan, so teams on Basic cannot build automated workflows or agent integrations, making the $49 entry price misleading for technical buyers who need programmatic access.
• ⚠Organization requires a minimum of 3 seats at $119/user/mo and is sold Annual Only, so unlike Basic and Professional it cannot be bought month to month. Downgrades take effect immediately with no mid-term refunds, so teams that shrink pay for the remainder of their billing cycle on unused capacity.
• ⚠Apollo's AI policy states that Apollo may use Customer Data as an input to train its own internal models, and publishes no customer opt-out. The only opt-out offered is profile suppression for individuals in Apollo's contributor database, which is a data-subject right rather than a customer control.

Pros

• ✓Deliverability infrastructure is the strongest in the category. Unlimited accounts on every plan, automated warmup, and SISR dedicated IP rotation keep mail out of spam at volume.
• ✓The AI Reply Agent classifies inbound replies by intent and triggers the correct follow-up automatically, so high-volume outbound runs without a human triaging every reply.
• ✓Publishes an official first-party MCP server at mcp.instantly.ai alongside a full REST API v2 with OAuth, so campaign management can be driven from Claude or from custom tooling.
• ✓Free to try before committing. Outreach carries a 14-day trial with no card required, covering 250 uploaded contacts and 1,000 emails, and every account also gets 1,000 free Instantly Credits.

Limitations

• ⚠Modular pricing understates the real cost. Outreach and Credits are separate subscriptions, so sending plus lead sourcing starts at $94/month, or $75.20 billed annually.
• ⚠CRM sync is one-way. HubSpot and Salesforce connectors push activity and reply logs out of Instantly but do not read back. Two-way sync needs OutboundSync, a paid partner tool, or a Zapier or Make flow.
• ⚠No public SOC 2 Type II certificate. Instantly says so itself and directs buyers needing one to request attestation reports under NDA. GDPR and CCPA are covered by a published DPA.
• ⚠New sending accounts are not usable immediately. Instantly advises about 10 warmup emails per day and waiting at least two weeks before running campaigns on them.

Pros

• ✓The Email plan is priced for unlimited users rather than per seat. At $55/month billed annually the whole team shares one rate, and the plan scales by send volume rather than by headcount. Multichannel is the per-user tier at $87.
• ✓AI Variables generates a unique icebreaker per prospect from a single prompt, with no manual research per contact, and Intent Signal and Data Enrichment Agents handle sourcing and enrichment end to end.
• ✓Publishes an official MCP server at app.lemlist.com/mcp, included on every plan, plus a library of 38 free Claude skill files covering ICP definition through sequence analysis.
• ✓Publishes an actual SOC 2 Type 2 report through its trust center, alongside 76 documented security controls, rather than an unqualified compliance badge.

Limitations

• ⚠Multichannel is priced per user with no volume discount, so cost scales linearly with headcount at $87 per user per month on the annual rate.
• ⚠LinkedIn automation lags dedicated tools. Safety controls and campaign complexity are less mature than platforms built specifically for LinkedIn outreach.
• ⚠Contact data is metered separately from the subscription. lemlist credits cost $0.01 each, a verified email costs 5 credits and a phone number 20, so a $10 pack of 1,000 credits covers about 200 emails or 50 phone numbers.
• ⚠The Email plan entry rate covers 50,000 emails per month. Higher volume is a separate price step rather than an overage, rising to $89, $159, $359 and $659 per month at 100,000, 200,000, 500,000 and 1,000,000 emails.