Seamless.AI vs Streak: Data Enrichment Tool vs CRM Platform Comparison
Compare Seamless.AI (data enrichment tool) and Streak (CRM platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Seamless.AI is a data enrichment tool built for B2B lead data and contact enrichment, starting free with paid tiers by custom quote. Streak is a CRM platform built into Gmail for pipeline tracking and customer relationship management, starting at $59/mo. Teams needing contact data should pick Seamless.AI; teams needing deal tracking should pick Streak, and many run both.
Key takeaways
- Seamless.AI's entry plan is free with 50 credits, while its Pro and Enterprise tiers require contacting sales for pricing.
- Streak's pricing starts at $59/mo for Pro, $89/mo for Pro+, and $159/mo for Enterprise.
- Seamless.AI lists 10 features on its own page compared to 8 listed by Streak.
- Both Seamless.AI and Streak list 7 integrations each, though the specific tools differ, with Seamless.AI connecting to Salesforce, HubSpot, and Zapier, and Streak connecting to Gmail, Slack, and LinkedIn.
- Seamless.AI was founded in 2015 and Streak was founded in 2011.
Reviewed and updated September 2, 2026
Seamless.AI vs Streak: Data Enrichment Tool vs CRM Platform Comparison
Seamless.AI is a data enrichment tool; Streak is a CRM platform. Whether you need one, the other, or both depends on which part of the workflow you are buying for: B2B lead data and contact enrichment on one side, customer relationship management and sales pipeline tracking on the other. This guide lays out what each vendor publishes.
The Quick Answer
Seamless.AI is a data enrichment tool for B2B lead data and contact enrichment; Streak is a CRM platform for customer relationship management and sales pipeline tracking. By each vendor's own wording, Seamless.AI lists real-time b2b contact search engine and email and cell phone lookups, and Streak lists pipelines to track deals through every stage and shared contact database.
Seamless.AI offers a lower entry point at $0/mo compared to Streak at $59/mo.
If your priority is finding accurate contact data for target accounts, Seamless.AI is the one built for it; for organizing contacts, tracking deals, and forecasting revenue, that is Streak. Many teams run one of each.
Understanding the Core Difference
Seamless.AI is AI-powered sales lead platform with real-time contact search engine, pitch intelligence, and data enrichment for B2B prospecting.
Streak is Streak is a CRM built directly into Gmail, so pipelines, contacts and tasks live in the same inbox the team already works in. It adds email tools such as email tracking, mail merge, snippets and thread splitting on top of Google Workspace.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Free
Pro
Seamless.AI Pricing (as of September 2026)
| Plan | Price | Contacts |
|---|---|---|
| Free | Free | 50 Credits |
| Pro | Contact Sales | Annual Credit Packages |
| Enterprise | Contact Sales | Custom Packages |
Source: Seamless.AI Pricing
Streak Pricing (as of September 2026)
| Plan | Price |
|---|---|
| Pro | $59/mo |
| Pro+ | $89/mo |
| Enterprise | $159/mo |
Source: Streak Pricing
Pricing Analysis
Seamless.AI is more affordable at the entry level ($0/mo vs $59/mo). For teams with tight budgets or those just getting started with B2B lead data and contact enrichment and customer relationship management and sales pipeline tracking, this price difference matters.
Seamless.AI includes a free tier, letting you test the platform before committing financially.
Features Breakdown
- Real-time B2B contact search engine
- Email and cell phone lookups
- Pitch intelligence
- Data enrichment
- Buyer intent data (add-on)
- Job changes tracking (add-on)
- and 4 more listed below
- Pipelines to track deals through every stage
- Shared contact database
- Task management
- Automation
- Email tracking
- Mail merge
- and 2 more listed below
Seamless.AI Key Features
- Real-time B2B contact search engine
- Email and cell phone lookups
- Pitch intelligence
- Data enrichment
- Buyer intent data (add-on)
- Job changes tracking (add-on)
- Autopilot list building (add-on)
- AI writing assistant
- Chrome extension
- Enterprise security and compliance
Streak Key Features
- Pipelines to track deals through every stage
- Shared contact database
- Task management
- Automation
- Email tracking
- Mail merge
- Snippets
- Thread Splitter
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 Seamless.AI
- Real-time B2B contact search engine
- Email and cell phone lookups
- Pitch intelligence
- Data enrichment
- Buyer intent data (add-on)
- Job changes tracking (add-on)
- Autopilot list building (add-on)
- AI writing assistant
- Chrome extension
- Enterprise security and compliance
Listed only by Streak
- Pipelines to track deals through every stage
- Shared contact database
- Task management
- Automation
- Email tracking
- Mail merge
- Snippets
- Thread Splitter
Integration Ecosystem
Seamless.AI Integrations
Seamless.AI connects with: Salesforce, HubSpot, Outreach, SalesLoft, Pipedrive, Microsoft Dynamics 365, Zapier.
Streak Integrations
Streak connects with: Google Workspace, Gmail, Slack, LinkedIn, ChatGPT, Claude, Allo.
Integrations listed only by Seamless.AI: Salesforce, HubSpot, Outreach, SalesLoft, Pipedrive, Microsoft Dynamics 365, Zapier.
Integrations listed only by Streak: Google Workspace, Gmail, Slack, LinkedIn, ChatGPT, Claude, Allo.
Use Case Recommendations
Best Fit for Seamless.AI
- Budget-conscious teams looking for an affordable data enrichment tool
- Teams that need a wide feature set (10 capabilities listed)
- Teams that want to start free and scale up as needs grow
- Enterprise buyers who prefer custom pricing and dedicated support
Best Fit for Streak
- Sales teams tracking deals from first touch to close
- Managers who need pipeline visibility and forecasting
- Growing teams that need scalable contact management
Feature Comparison Summary
| Feature | Seamless.AI | Streak |
|---|---|---|
| Starting Price | Free | $59/mo |
| Top Tier Price | Contact Sales | $159/mo |
| Total Features Listed | 10 | 8 |
| Integrations | 7 | 7 |
| Founded | 2015 | 2011 |
Getting Started Checklist
- Define your B2B lead data and contact enrichment and customer relationship management and sales pipeline tracking requirements and monthly budget
- Estimate your expected data credits or contact lookups and contacts and deals to find the right tier
- List the integrations your team currently relies on
- Sign up for free trials or demos of both platforms
- Run a small test with each tool before making a commitment
- Evaluate the onboarding experience and support quality
Final Thoughts
Seamless.AI serves the B2B lead data and contact enrichment side of an outbound stack and Streak the customer relationship management and sales pipeline tracking side. Seamless.AI offers a more accessible entry point, while Streak starts at $59/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 Seamless.AI and Streak for current information.
Frequently asked questions.
Frequently asked questions- What is the main difference between Seamless.AI and Streak?
- Seamless.AI is a data enrichment tool focused on B2B lead data and contact enrichment, offering a real-time contact search engine and email and phone lookups. Streak is a CRM platform, built directly into Gmail, focused on customer relationship management and sales pipeline tracking with features like deal pipelines and a shared contact database.
- Which is cheaper, Seamless.AI or Streak?
- Seamless.AI has a lower entry point, starting free, while Streak's entry plan is $59/mo for Pro. Streak also offers Pro+ at $89/mo and Enterprise at $159/mo. Seamless.AI's paid tiers, Pro and Enterprise, require contacting sales for pricing rather than publishing a fixed rate.
- Do Seamless.AI and Streak integrate with the same tools?
- No, they list different integrations. Seamless.AI connects with Salesforce, HubSpot, Outreach, SalesLoft, Pipedrive, Microsoft Dynamics 365, and Zapier. Streak connects with Google Workspace, Gmail, Slack, LinkedIn, ChatGPT, Claude, and Allo. Each vendor lists 7 integrations total, but there is no overlap between the two lists.
- Can I use Seamless.AI and Streak together?
- Yes, the article notes that many teams run one of each since they serve different parts of the sales workflow. Seamless.AI handles finding and enriching contact data for target accounts, while Streak handles organizing those contacts, tracking deals through pipeline stages, and forecasting revenue.
- Who is Streak best suited for?
- Streak is best suited for sales teams tracking deals from first touch to close, managers who need pipeline visibility and forecasting, and growing teams that need scalable contact management. It works inside Gmail, adding pipelines, task management, automation, email tracking, mail merge, snippets, and thread splitting to Google Workspace.
About the author.
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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