Tool Comparisons

    Salesflow vs TheirStack: Sales Engagement Platform vs Data Enrichment Tool Comparison

    Compare Salesflow (sales engagement platform) and TheirStack (data enrichment tool) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.

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

    Salesflow is a sales engagement platform for multichannel outreach across email and LinkedIn, priced from $99/mo, while TheirStack is a data enrichment tool for company and contact data built around job search and technographics, with a free entry tier. They solve different problems, so many teams use both together rather than choosing one.

    Key takeaways

    • Salesflow's entry plan is $99/mo while TheirStack offers a free plan with 50 company credits and 200 API credits per month.
    • Salesflow has 5 pricing tiers ranging from $24.99/mo to $99/mo, compared to TheirStack's 4 pricing tiers.
    • Salesflow lists 10 features including multichannel dynamic outreach and an AI GTM employee called Ariel, while TheirStack lists 8 features including job search and a webhooks integration.
    • Salesflow integrates with HubSpot, LinkedIn Sales Navigator, Zapier, and API, while TheirStack integrates with Clay, LinkedIn Audiences, Make, N8N, and Zapier.
    • Zapier is the only integration shared by both Salesflow and TheirStack according to their published integration lists.

    Reviewed and updated September 4, 2026

    Salesflow vs TheirStack: Sales Engagement Platform vs Data Enrichment Tool Comparison

    Salesflow (sales engagement platform) and TheirStack (data enrichment tool) sit next to each other in many outbound stacks. They are not substitutes for each other on every job, so this comparison covers pricing, features, and integrations for each and points out where the two meet.

    The Quick Answer

    Salesflow is a sales engagement platform for multi-channel sales outreach and engagement tracking; TheirStack is a data enrichment tool for B2B lead data and contact enrichment. By each vendor's own wording, Salesflow lists multichannel dynamic outreach that adapts to prospect behaviour and combined email and linkedin campaigns, and TheirStack lists job search and company search.

    TheirStack offers a lower entry point at $0/mo compared to Salesflow at $99/mo.

    If your priority is coordinating outreach across email, phone, and social channels, Salesflow is the one built for it; for finding accurate contact data for target accounts, that is TheirStack. Many teams run one of each.

    Understanding the Core Difference

    Salesflow is Social and email outreach platform that combines LinkedIn and email into adaptive multichannel campaigns, with a unified inbox, condition-based sequences and cross-channel campaign reporting.

    TheirStack is Job posting and technographics database for sales teams. Finds companies by the technologies they use and the roles they are hiring for, and enriches a company list with technographics and buying intent.

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

    Pricing Comparison

    Pricing table: Pricing Comparison (Salesflow, TheirStack, Basic, Free)

    $99/moSalesflow entry plan

    Basic

    FreeTheirStack entry plan

    Free

    Entry pricing for Salesflow and TheirStack, as published on each vendor's own pricing page.

    Salesflow Pricing (as of September 2026)

    PlanPriceContacts
    Basic$99/moTeam size: 1+ users, minimum 1 seat
    Starter$70/moTeam size: 5+ seats
    Pro$39.95/moTeam size: 20+ seats
    Agency$29.98/moTeam size: 50+ seats, seats added in batches of 5
    Enterprise$24.99/moTeam size: 100+ seats, seats added in batches of 10

    Source: Salesflow Pricing

    TheirStack Pricing (as of September 2026)

    PlanPriceContacts
    FreeFree50 company credits and 200 API credits per month
    AppUsage-basedCompany credit packs from 1,000 to 200,000 credits
    API, Webhooks & MCP$49/mo1,500 API credits per month
    DatasetsContact SalesJobs, Technographics and Buying intents datasets

    Source: TheirStack Pricing

    Pricing Analysis

    TheirStack offers the lower entry point ($0/mo vs $99/mo). Teams watching their budget will appreciate the savings, especially when starting out.

    Salesflow offers 5 pricing tiers compared to TheirStack's 4, giving you more granularity as you scale.

    TheirStack includes a free tier, which is helpful for evaluating the platform without upfront cost.

    Features Breakdown

    Salesflow lists
    • Multichannel dynamic outreach that adapts to prospect behaviour
    • Combined email and LinkedIn campaigns
    • Unified inbox for LinkedIn and Sales Navigator conversations
    • Inbox management with reminders, snooze and scheduled sending
    • Campaign intelligence and analytics across LinkedIn and email
    • Ariel, the Salesflow AI GTM employee
    • and 4 more listed below
    TheirStack lists
    • Job search
    • Company search
    • Company lookup
    • Enrichment
    • Exports
    • Email alerts
    • and 2 more listed below
    What Salesflow and TheirStack 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.

    Salesflow Key Features

    • Multichannel dynamic outreach that adapts to prospect behaviour
    • Combined email and LinkedIn campaigns
    • Unified inbox for LinkedIn and Sales Navigator conversations
    • Inbox management with reminders, snooze and scheduled sending
    • Campaign intelligence and analytics across LinkedIn and email
    • Ariel, the Salesflow AI GTM employee
    • Whitelabel URL and access customisation
    • UI customisation with your own branding
    • API access
    • Early feature access on higher tiers

    TheirStack Key Features

    • Job search
    • Company search
    • Company lookup
    • Enrichment
    • Exports
    • Email alerts
    • Webhooks
    • MCP server

    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 Salesflow

    • Multichannel dynamic outreach that adapts to prospect behaviour
    • Combined email and LinkedIn campaigns
    • Unified inbox for LinkedIn and Sales Navigator conversations
    • Inbox management with reminders, snooze and scheduled sending
    • Campaign intelligence and analytics across LinkedIn and email
    • Ariel, the Salesflow AI GTM employee
    • Whitelabel URL and access customisation
    • UI customisation with your own branding
    • API access
    • Early feature access on higher tiers

    Listed only by TheirStack

    • Job search
    • Company search
    • Company lookup
    • Enrichment
    • Exports
    • Email alerts
    • Webhooks
    • MCP server

    Integration Ecosystem

    Integration flow: Integration Ecosystem (Salesflow, TheirStack, Zapier, HubSpot)

    Salesflow Integrations

    Salesflow connects with: HubSpot, LinkedIn Sales Navigator, Zapier, API.

    TheirStack Integrations

    TheirStack connects with: Clay, LinkedIn Audiences, Make, N8N, Zapier.

    Shared Integrations

    Both tools integrate with: Zapier.

    Integrations listed only by Salesflow: HubSpot, LinkedIn Sales Navigator, API.

    Integrations listed only by TheirStack: Clay, LinkedIn Audiences, Make, N8N.

    Use Case Recommendations

    Best Fit for Salesflow

    • Teams that need a wide feature set (10 capabilities listed)
    • SDR teams running multi-channel outreach sequences
    • Sales managers tracking team engagement metrics
    • Revenue teams coordinating email, phone, and social touches

    Best Fit for TheirStack

    • Budget-conscious teams looking for an affordable data enrichment tool
    • Organizations with complex tech stacks needing broad integration support (5 integrations)
    • Teams that want to start free and scale up as needs grow
    • Enterprise buyers who prefer custom pricing and dedicated support

    Feature Comparison Summary

    FeatureSalesflowTheirStack
    Starting Price$99/moFree
    Top Tier Price$24.99/moContact Sales
    Total Features Listed108
    Integrations45
    FoundedN/A2021

    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 and B2B lead data and contact enrichment requirements and monthly budget
    2. Estimate your expected sequences and engagement actions and data credits or contact lookups 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

    Salesflow serves the multi-channel sales outreach and engagement tracking side of an outbound stack and TheirStack the B2B lead data and contact enrichment side. TheirStack offers a more accessible entry point, while Salesflow starts at $99/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 Salesflow and TheirStack for current information.

    Questions

    Frequently asked questions.

    Frequently asked questions
    What is the main difference between Salesflow and TheirStack?
    Salesflow is a sales engagement platform built for multichannel outreach combining email and LinkedIn campaigns, while TheirStack is a data enrichment tool focused on finding companies by technology use and hiring activity, then enriching contact and company data. They address different stages of the outbound process rather than competing directly.
    Which is cheaper, Salesflow or TheirStack?
    TheirStack has the lower entry point with a free plan offering 50 company credits and 200 API credits per month, compared to Salesflow's Basic plan at $99/mo. Salesflow's pricing drops as team size grows, reaching $24.99/mo on its Enterprise tier for 100+ seats.
    Can I use Salesflow and TheirStack together?
    Yes, the article notes that many teams run one of each tool since they serve different core purposes. TheirStack can supply enriched contact and company data based on technographics and hiring signals, which Salesflow can then use for its multichannel outreach campaigns.
    Does Salesflow integrate with TheirStack directly?
    The article does not list a direct integration between Salesflow and TheirStack. Both tools connect with Zapier, which is the only integration shared between them according to their published integration lists, so Zapier could serve as a connector between the two.
    What integrations does TheirStack support?
    TheirStack connects with Clay, LinkedIn Audiences, Make, N8N, and Zapier according to its published integration list. Salesflow, by comparison, connects with HubSpot, LinkedIn Sales Navigator, Zapier, and API, with Zapier being the only integration the two tools share.
    SalesflowTheirStackSales Engagement PlatformData Enrichment ToolComparisonsales-engagementdata-enrichment
    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

    Connect on LinkedIn →
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