Tool Comparisons

    AiSDR vs Closely: Sales Engagement Platform Comparison

    Compare AiSDR and Closely side by side. See pricing, features, and integrations to choose the right sales engagement platform for your needs.

    Editorial illustration for AiSDR vs Closely
    August 22, 2026Updated September 4, 20266 min read
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    The short answer

    AiSDR and Closely are sales engagement platforms that differ in approach and price. AiSDR is an AI SDR platform where an agent researches prospects and runs email and LinkedIn outreach on autopilot, starting at $250/mo. Closely is an outbound platform for multichannel LinkedIn and email campaigns with a conditional sequence builder, starting at $49/mo. The right pick depends on budget and required capabilities.

    Key takeaways

    • AiSDR's entry plan, Solo, costs $250/mo and includes 200 AI-researched contacts per month, 1 domain, 3 mailboxes and 1 LinkedIn account.
    • Closely's entry plan, Starter, costs $49/mo and includes 1 LinkedIn account with unlimited email accounts.
    • Closely offers four pricing tiers (Starter, Growth, Essential and Custom) compared to AiSDR's three tiers (Solo, Explore and Scale).
    • AiSDR lists native two-way CRM sync with both HubSpot and Salesforce, along with an Ami AI GTM agent for strategy and campaign building.
    • Closely lists a dedicated residential IP for each LinkedIn account, plus an email finder and phone number finder as distinct features.

    Reviewed and updated September 4, 2026

    AiSDR vs Closely: Sales Engagement Platform Comparison

    Finding the right sales engagement platform can directly impact your revenue pipeline. AiSDR and Closely both aim to solve the same core problem (coordinating outreach across email, phone, and social channels), yet they approach it differently. Let's break down the specifics.

    The Quick Answer

    By each vendor's own wording, AiSDR lists ai-researched emails and linkedin actions on autopilot and ami ai gtm agent for strategy and campaign building, while Closely lists multichannel campaigns across linkedin and email and conditional sequence builder. A capability both offer can appear under different names, so read both feature lists below.

    Closely offers a lower entry point at $49/mo compared to AiSDR at $250/mo.

    If your priority is coordinating outreach across email, phone, and social channels, both tools target it. The right choice depends on your budget, team size, and the specific capabilities you need most.

    Understanding the Core Difference

    AiSDR is AI SDR platform whose agent researches prospects and runs email and LinkedIn outreach on autopilot, with turnkey mailbox setup and warmup, inbox rotation and two-way CRM sync.

    Closely is Outbound platform that runs automated campaigns across LinkedIn and email from a shared sender, with a conditional sequence builder, unified inbox, contact enrichment and AI personalization agents.

    The two platforms take different approaches to solving the same core challenge.

    Pricing Comparison

    Pricing ladder: Pricing Comparison (AiSDR, Closely, Solo, Starter)

    $250/moAiSDR entry plan

    Solo

    $49/moClosely entry plan

    Starter

    Entry pricing for AiSDR and Closely, as published on each vendor's own pricing page.

    AiSDR Pricing (as of September 2026)

    PlanPriceContactsEmails
    Solo$250/mo200 AI-researched contacts/month1 domain, 3 mailboxes, 1 LinkedIn account
    Explore$900/mo800 AI-researched contacts/month2 domains, 6 mailboxes, 5 LinkedIn accounts
    Scale$2500/mo2,500 AI-researched contacts/month6 domains, 18 mailboxes, 20 LinkedIn accounts

    Source: AiSDR Pricing

    Closely Pricing (as of September 2026)

    PlanPriceContacts
    Starter$49/mo1 LinkedIn account, unlimited email accounts
    Growth$127/mo3 LinkedIn accounts, unlimited email accounts, 3,000 bonus credits/mo
    Essential$205/mo5 LinkedIn accounts, unlimited email accounts, 5,000 bonus credits/mo
    CustomContact SalesUnlimited seats, custom LinkedIn accounts and credits

    Source: Closely Pricing

    Pricing Analysis

    Closely offers the lower entry point ($49/mo vs $250/mo). Teams watching their budget will appreciate the savings, especially when starting out.

    Closely offers 4 pricing tiers compared to AiSDR's 3, giving you more granularity as you scale.

    Features Breakdown

    AiSDR lists
    • AI-researched emails and LinkedIn actions on autopilot
    • Ami AI GTM agent for strategy and campaign building
    • Unlimited AI personas
    • Turnkey email setup and warmup
    • Automated inbox rotation with domain health tracking
    • Native two-way HubSpot CRM sync
    • and 4 more listed below
    Closely lists
    • Multichannel campaigns across LinkedIn and email
    • Conditional sequence builder
    • Smart Inbox unifying LinkedIn and email replies
    • LinkedIn account warmup
    • Dedicated residential IP for each LinkedIn account
    • OAuth Gmail and Outlook connection plus custom SMTP
    • and 4 more listed below
    What AiSDR and Closely each list on their own pages. The split is by exact wording, so a capability both offer can appear on both sides under different names.

    AiSDR Key Features

    • AI-researched emails and LinkedIn actions on autopilot
    • Ami AI GTM agent for strategy and campaign building
    • Unlimited AI personas
    • Turnkey email setup and warmup
    • Automated inbox rotation with domain health tracking
    • Native two-way HubSpot CRM sync
    • Native two-way Salesforce CRM sync
    • LinkedIn signals for post engagement, profile visits and keyword tracking
    • AI videos in messages and AI voice notes in LinkedIn messages
    • Website visitor tracking, enrichment and outreach

    Closely Key Features

    • Multichannel campaigns across LinkedIn and email
    • Conditional sequence builder
    • Smart Inbox unifying LinkedIn and email replies
    • LinkedIn account warmup
    • Dedicated residential IP for each LinkedIn account
    • OAuth Gmail and Outlook connection plus custom SMTP
    • Email finder with a multi-step fallback process
    • Phone number finder
    • AI lead scoring and personalization agents
    • Export from Sales Navigator, LinkedIn posts and events

    The two lists below are a diff of each vendor's own feature list by exact wording, so a capability both tools offer can appear on either side under a different name.

    Listed only by AiSDR

    • AI-researched emails and LinkedIn actions on autopilot
    • Ami AI GTM agent for strategy and campaign building
    • Unlimited AI personas
    • Turnkey email setup and warmup
    • Automated inbox rotation with domain health tracking
    • Native two-way HubSpot CRM sync
    • Native two-way Salesforce CRM sync
    • LinkedIn signals for post engagement, profile visits and keyword tracking
    • AI videos in messages and AI voice notes in LinkedIn messages
    • Website visitor tracking, enrichment and outreach

    Listed only by Closely

    • Multichannel campaigns across LinkedIn and email
    • Conditional sequence builder
    • Smart Inbox unifying LinkedIn and email replies
    • LinkedIn account warmup
    • Dedicated residential IP for each LinkedIn account
    • OAuth Gmail and Outlook connection plus custom SMTP
    • Email finder with a multi-step fallback process
    • Phone number finder
    • AI lead scoring and personalization agents
    • Export from Sales Navigator, LinkedIn posts and events

    Integration Ecosystem

    Integration grid: Integration Ecosystem (AiSDR, Closely, HubSpot, Salesforce)

    AiSDR Integrations

    AiSDR connects with: HubSpot, Salesforce, Gmail, Microsoft Outlook, Aircall, Calendly, LinkedIn.

    Closely Integrations

    Closely connects with: Salesforce, Pipedrive, HubSpot, GoHighLevel, Gmail, Microsoft Outlook, SMTP, Webhooks.

    Shared Integrations

    Both tools integrate with: HubSpot, Salesforce, Gmail, Microsoft Outlook.

    Integrations listed only by AiSDR: Aircall, Calendly, LinkedIn.

    Integrations listed only by Closely: Pipedrive, GoHighLevel, SMTP, Webhooks.

    Use Case Recommendations

    Best Fit for AiSDR

    • Mid-market to enterprise teams with established multi-channel sales outreach and engagement tracking budgets
    • SDR teams running multi-channel outreach sequences
    • Sales managers tracking team engagement metrics
    • Revenue teams coordinating email, phone, and social touches

    Best Fit for Closely

    • Budget-conscious teams looking for an affordable sales engagement platform
    • Organizations with complex tech stacks needing broad integration support (8 integrations)
    • Enterprise buyers who prefer custom pricing and dedicated support

    Feature Comparison Summary

    FeatureAiSDRClosely
    Starting Price$250/mo$49/mo
    Top Tier Price$2500/moContact Sales
    Total Features Listed1010
    Integrations78

    Getting Started Checklist

    Before-and-after steps: Getting Started Checklist (Define multi-channel sales, Estimate expected sequences, List integrations, Sign up)

    1. Define your multi-channel sales outreach and engagement tracking requirements and monthly budget
    2. Estimate your expected sequences and engagement actions to find the right tier
    3. List the integrations your team currently relies on
    4. Sign up for free trials or demos of both platforms
    5. Run a small test with each tool before making a commitment
    6. Evaluate the onboarding experience and support quality

    Final Thoughts

    AiSDR and Closely both serve the multi-channel sales outreach and engagement tracking market. Closely offers a more accessible entry point at $49/mo, while AiSDR starts at $250/mo. Your decision should weigh pricing against the specific features that matter most for your workflow.

    Start with a trial of each to see which platform fits your team's daily process. The best tool is the one your team actually uses consistently.

    Pricing and features verified as of September 2026. Visit AiSDR and Closely for current information.

    Questions

    Frequently asked questions.

    Frequently asked questions
    What is the main difference between AiSDR and Closely?
    AiSDR is an AI SDR platform whose agent researches prospects and runs email and LinkedIn outreach on autopilot, with turnkey mailbox setup and warmup. Closely is an outbound platform that runs automated multichannel campaigns across LinkedIn and email from a shared sender, using a conditional sequence builder and unified inbox.
    Which is cheaper, AiSDR or Closely?
    Closely is cheaper at the entry level, starting at $49/mo for its Starter plan compared to AiSDR's Solo plan at $250/mo. Closely's pricing also scales through four tiers (Starter, Growth, Essential, Custom) while AiSDR has three tiers (Solo, Explore, Scale).
    Does AiSDR integrate with CRM tools like HubSpot or Salesforce?
    Yes, AiSDR lists native two-way CRM sync with both HubSpot and Salesforce as key features. This is listed only under AiSDR's feature set based on each vendor's own published wording.
    Does Closely offer a phone number finder?
    Yes, Closely lists a phone number finder among its key features, alongside an email finder with a multi-step fallback process. These are listed only under Closely's own feature list, not AiSDR's.
    How many pricing plans does each platform offer?
    AiSDR offers three pricing plans: Solo at $250/mo, Explore at $900/mo, and Scale at $2500/mo. Closely offers four pricing plans: Starter at $49/mo, Growth at $127/mo, Essential at $205/mo, and a Custom plan available by contacting sales.
    AiSDRCloselySales Engagement PlatformComparisonsales-engagement
    Byline

    About the author.

    Tim Carden

    Tim Carden is CMO / CTO at RevenueFlow, which builds and operates outbound revenue engines for B2B companies. Studied at McGill University.

    Tim Carden · CMO / CTO

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