PersistIQ vs Seamless.AI: Sales Engagement Platform vs Data Enrichment Tool Comparison
Compare PersistIQ (sales engagement platform) and Seamless.AI (data enrichment tool) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
PersistIQ is a sales engagement platform for multi-channel outreach and engagement tracking across email, phone, and social, while Seamless.AI is a data enrichment tool offering a real-time B2B contact search engine with email and cell phone lookups. PersistIQ uses custom Contact Sales pricing; Seamless.AI has a free tier plus paid tiers. Many teams use both together.
Key takeaways
- PersistIQ uses Contact Sales pricing for all plans, while Seamless.AI offers a Free tier with 50 credits.
- Seamless.AI offers 3 pricing tiers (Free, Pro, Enterprise) compared to PersistIQ's single Contact Sales tier.
- Both PersistIQ and Seamless.AI include a Chrome Extension as a shared capability.
- PersistIQ integrates with Salesforce, Copper, Pipedrive, HubSpot, Gmail, Outlook, and Zapier.
- Seamless.AI integrates with Salesforce, HubSpot, Outreach, SalesLoft, Pipedrive, Microsoft Dynamics 365, and Zapier.
Reviewed and updated September 2, 2026
PersistIQ vs Seamless.AI: Sales Engagement Platform vs Data Enrichment Tool Comparison
PersistIQ (sales engagement platform) and Seamless.AI (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
PersistIQ is a sales engagement platform for multi-channel sales outreach and engagement tracking; Seamless.AI is a data enrichment tool for B2B lead data and contact enrichment. By each vendor's own wording, PersistIQ lists multi-channel sales outreach and prospecting, and Seamless.AI lists real-time b2b contact search engine and email and cell phone lookups.
Seamless.AI publishes an entry price of $0/mo; PersistIQ uses custom pricing, so the two cannot be compared on list price.
If your priority is coordinating outreach across email, phone, and social channels, PersistIQ is the one built for it; for finding accurate contact data for target accounts, that is Seamless.AI. Many teams run one of each.
Understanding the Core Difference
PersistIQ is Sales engagement platform for small teams that builds prospect lists, automates personalized email, call and task sequences, and syncs activity with a CRM.
Seamless.AI is AI-powered sales lead platform with real-time contact search engine, pitch intelligence, and data enrichment for B2B prospecting.
Both platforms offer chrome extension. Where they diverge is in their approach to pricing tiers and advanced capabilities.
Pricing Comparison
All plans
Free
PersistIQ Pricing (as of September 2026)
| Plan | Price |
|---|---|
| All plans | Contact Sales |
Source: PersistIQ Pricing
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
Pricing Analysis
One or both platforms use custom or contact-based pricing for some tiers. Reach out to their sales teams for exact quotes based on your usage needs.
Seamless.AI offers 3 pricing tiers compared to PersistIQ's 1, giving you more granularity as you scale.
Seamless.AI includes a free tier, which is helpful for evaluating the platform without upfront cost.
Features Breakdown
- Multi-channel Sales Outreach
- Prospecting
- Sales Email AI
- A/B test
- Reporting
- CRM Integrations
- and 1 more listed below
- Chrome Extension
- 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 3 more listed below
PersistIQ Key Features
- Multi-channel Sales Outreach
- Prospecting
- Sales Email AI
- Chrome Extension
- A/B test
- Reporting
- CRM Integrations
- 14-day free trial
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
Shared Capabilities
Both PersistIQ and Seamless.AI include:
- Chrome Extension
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 PersistIQ
- Multi-channel Sales Outreach
- Prospecting
- Sales Email AI
- A/B test
- Reporting
- CRM Integrations
- 14-day free trial
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
- Enterprise security and compliance
Integration Ecosystem
PersistIQ Integrations
PersistIQ connects with: Salesforce, Copper, Pipedrive, HubSpot, Gmail, Outlook, Zapier.
Seamless.AI Integrations
Seamless.AI connects with: Salesforce, HubSpot, Outreach, SalesLoft, Pipedrive, Microsoft Dynamics 365, Zapier.
Shared Integrations
Both tools integrate with: Salesforce, Pipedrive, HubSpot, Zapier.
Integrations listed only by PersistIQ: Copper, Gmail, Outlook.
Integrations listed only by Seamless.AI: Outreach, SalesLoft, Microsoft Dynamics 365.
Use Case Recommendations
Best Fit for PersistIQ
- Enterprise buyers who prefer custom pricing and dedicated support
- SDR teams running multi-channel outreach sequences
- Sales managers tracking team engagement metrics
- Revenue teams coordinating email, phone, and social touches
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
Feature Comparison Summary
| Feature | PersistIQ | Seamless.AI |
|---|---|---|
| Starting Price | Contact Sales | Free |
| Top Tier Price | Contact Sales | Contact Sales |
| Total Features Listed | 8 | 10 |
| Integrations | 7 | 7 |
| Founded | N/A | 2015 |
Getting Started Checklist
- Define your multi-channel sales outreach and engagement tracking and B2B lead data and contact enrichment requirements and monthly budget
- Estimate your expected sequences and engagement actions and data credits or contact lookups 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
PersistIQ serves the multi-channel sales outreach and engagement tracking side of an outbound stack and Seamless.AI the B2B lead data and contact enrichment side. Seamless.AI publishes an entry price (a free tier), while PersistIQ uses custom pricing for its plans, so compare on features and on the quote you receive. 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 PersistIQ and Seamless.AI for current information.
Frequently asked questions.
Frequently asked questions- What is the main difference between PersistIQ and Seamless.AI?
- PersistIQ is a sales engagement platform built for multi-channel sales outreach and engagement tracking, while Seamless.AI is a data enrichment tool built for B2B lead data and contact enrichment. They serve different parts of the outbound workflow, so many teams use both together rather than choosing one over the other.
- How much does PersistIQ cost compared to Seamless.AI?
- PersistIQ lists all its plans as Contact Sales, meaning there is no published list price. Seamless.AI publishes a Free plan with 50 credits, plus Pro and Enterprise tiers that also require contacting sales. Because PersistIQ has no public price, the two cannot be directly compared on list price.
- Does Seamless.AI have a free plan?
- Yes, Seamless.AI offers a Free plan that includes 50 credits, according to its published pricing page. This is helpful for evaluating the platform before committing to a paid tier. PersistIQ, by contrast, does not list a free plan and instead requires contacting sales for all tiers.
- Which integrations do PersistIQ and Seamless.AI have in common?
- PersistIQ and Seamless.AI both integrate with Salesforce, Pipedrive, HubSpot, and Zapier. PersistIQ additionally connects with Copper, Gmail, and Outlook, while Seamless.AI additionally connects with Outreach, SalesLoft, and Microsoft Dynamics 365.
- Who is PersistIQ best suited for versus Seamless.AI?
- PersistIQ best fits enterprise buyers who prefer custom pricing and dedicated support, SDR teams running multi-channel sequences, sales managers tracking engagement metrics, and revenue teams coordinating email, phone, and social touches. Seamless.AI best fits budget-conscious teams wanting an affordable data enrichment tool, teams needing a wide feature set, and teams that want to start free and scale up.
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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