Expandi vs Seamless.AI: Sales Engagement Platform vs Data Enrichment Tool Comparison
Compare Expandi (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.
Expandi is a sales engagement platform built for multichannel LinkedIn and email outreach, starting at $99/mo for its Business plan. Seamless.AI is a data enrichment tool for B2B contact search and lookups, starting free with 50 credits. Teams needing outreach coordination choose Expandi; teams needing contact data choose Seamless.AI, and many use both.
Key takeaways
- Expandi's entry plan, Business, costs $99/mo and includes unlimited campaigns.
- Seamless.AI's entry plan is free and includes 50 credits.
- Seamless.AI offers 3 pricing tiers (Free, Pro, Enterprise) compared to Expandi's 2 (Business, Agency).
- Expandi integrates with HubSpot, Pipedrive, Salesforce, Sendspark, LinkedIn Sales Navigator, and Webhooks.
- Seamless.AI integrates with Salesforce, HubSpot, Outreach, SalesLoft, Pipedrive, Microsoft Dynamics 365, and Zapier.
Reviewed and updated September 4, 2026
Expandi vs Seamless.AI: Sales Engagement Platform vs Data Enrichment Tool Comparison
Expandi is a sales engagement platform; Seamless.AI is a data enrichment tool. Whether you need one, the other, or both depends on which part of the workflow you are buying for: multi-channel sales outreach and engagement tracking on one side, B2B lead data and contact enrichment on the other. This guide lays out what each vendor publishes.
The Quick Answer
Expandi 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, Expandi lists multichannel outreach sending connection requests, messages and email follow-ups in one sequence and conditional sequence builder with if/action branching, and Seamless.AI lists real-time b2b contact search engine and email and cell phone lookups.
Seamless.AI offers a lower entry point at $0/mo compared to Expandi at $99/mo.
If your priority is coordinating outreach across email, phone, and social channels, Expandi 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
Expandi is Cloud-based LinkedIn outreach tool that sends connection requests, messages and email follow-ups in one sequence, with a conditional sequence builder, profile warm-up and per-account safety limits.
Seamless.AI is AI-powered sales lead platform with real-time contact search engine, pitch intelligence, and data enrichment for B2B prospecting.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Business
Free
Expandi Pricing (as of September 2026)
| Plan | Price | Contacts |
|---|---|---|
| Business | $99/mo | Unlimited Campaigns Number |
| Agency | Contact Sales | +10 Seats |
Source: Expandi 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
Seamless.AI offers the lower entry point ($0/mo vs $99/mo). Teams watching their budget will appreciate the savings, especially when starting out.
Seamless.AI offers 3 pricing tiers compared to Expandi's 2, 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
- Multichannel outreach sending connection requests, messages and email follow-ups in one sequence
- Conditional sequence builder with if/action branching
- Profile auto warm-up
- Smart algorithms for daily limit ranges
- Campaign prioritization across multiple campaigns
- Unlimited number of campaigns
- and 4 more listed below
- 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
Expandi Key Features
- Multichannel outreach sending connection requests, messages and email follow-ups in one sequence
- Conditional sequence builder with if/action branching
- Profile auto warm-up
- Smart algorithms for daily limit ranges
- Campaign prioritization across multiple campaigns
- Unlimited number of campaigns
- Image and GIF personalization
- Video personalization
- Dedicated country-based IP address per account
- Step-by-step campaign statistics with a blacklist feature
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
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 Expandi
- Multichannel outreach sending connection requests, messages and email follow-ups in one sequence
- Conditional sequence builder with if/action branching
- Profile auto warm-up
- Smart algorithms for daily limit ranges
- Campaign prioritization across multiple campaigns
- Unlimited number of campaigns
- Image and GIF personalization
- Video personalization
- Dedicated country-based IP address per account
- Step-by-step campaign statistics with a blacklist feature
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
Integration Ecosystem
Expandi Integrations
Expandi connects with: HubSpot, Pipedrive, Salesforce, Sendspark, LinkedIn Sales Navigator, Webhooks.
Seamless.AI Integrations
Seamless.AI connects with: Salesforce, HubSpot, Outreach, SalesLoft, Pipedrive, Microsoft Dynamics 365, Zapier.
Shared Integrations
Both tools integrate with: HubSpot, Pipedrive, Salesforce.
Integrations listed only by Expandi: Sendspark, LinkedIn Sales Navigator, Webhooks.
Integrations listed only by Seamless.AI: Outreach, SalesLoft, Microsoft Dynamics 365, Zapier.
Use Case Recommendations
Best Fit for Expandi
- 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
- Organizations with complex tech stacks needing broad integration support (7 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
| Feature | Expandi | Seamless.AI |
|---|---|---|
| Starting Price | $99/mo | Free |
| Top Tier Price | Contact Sales | Contact Sales |
| Total Features Listed | 10 | 10 |
| Integrations | 6 | 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
Expandi 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 offers a more accessible entry point, while Expandi 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 Expandi and Seamless.AI for current information.
Frequently asked questions.
Frequently asked questions- What's the main difference between Expandi and Seamless.AI?
- Expandi is a sales engagement platform focused on multichannel outreach, sending connection requests, messages, and email follow-ups in one sequence with a conditional sequence builder. Seamless.AI is a data enrichment tool centered on a real-time B2B contact search engine with email and cell phone lookups. One handles outreach coordination, the other handles finding accurate contact data.
- How much does Expandi cost compared to Seamless.AI?
- Expandi's Business plan starts at $99/mo with unlimited campaigns, while its Agency plan requires contacting sales. Seamless.AI has a free entry tier with 50 credits, then Pro and Enterprise plans that both require contacting sales for pricing. Seamless.AI has the lower entry point at $0/mo compared to Expandi's $99/mo.
- Do Expandi and Seamless.AI integrate with the same tools?
- Yes, both tools share integrations with HubSpot, Pipedrive, and Salesforce. Beyond that, Expandi also connects with Sendspark, LinkedIn Sales Navigator, and Webhooks, while Seamless.AI additionally connects with Outreach, SalesLoft, Microsoft Dynamics 365, and Zapier.
- Can I use both Expandi and Seamless.AI together?
- Yes, many teams run both tools since they serve different parts of the workflow. Seamless.AI can be used to find and enrich B2B contact data, while Expandi handles the multichannel outreach and engagement tracking once you have that data.
- Which tool should I pick for LinkedIn outreach versus finding contact data?
- For coordinating outreach across email, phone, and social channels, Expandi is built for it, with features like conditional sequence building and profile warm-up. For finding accurate contact data for target accounts, Seamless.AI is the better fit, offering a real-time contact search engine and email and cell phone lookups.
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
Connect on LinkedIn →Explore more.
Ready to scale your outreach?
We build GTM engines that book real meetings. See the receipts.
Related articles.
AroundDeal vs Leadspicker: Data Enrichment Tool vs Sales Engagement Platform Comparison
Compare AroundDeal (data enrichment tool) and Leadspicker (sales engagement platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Gong vs NeverBounce: Sales Engagement Platform vs Data Enrichment Tool Comparison
Gong vs NeverBounce: what Gong's own pages say about enrichment, what NeverBounce's API returns about an address, and how each vendor prices.
ContactOut vs Luru: Data Enrichment Tool vs Sales Engagement Platform Comparison
Compare ContactOut (data enrichment tool) and Luru (sales engagement platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Enrich Layer vs La Growth Machine: Data Enrichment Tool vs Sales Engagement Platform Comparison
Compare Enrich Layer (data enrichment tool) and La Growth Machine (sales engagement platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Leadspicker vs NeverBounce: Sales Engagement Platform vs Data Enrichment Tool Comparison
Compare Leadspicker (sales engagement platform) and NeverBounce (data enrichment tool) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
11x vs Adapt.io: Sales Engagement Platform vs Data Enrichment Tool Comparison
Compare 11x (sales engagement platform) and Adapt.io (data enrichment tool). See pricing, features, and integrations to decide which one, or both, your stack needs.