SalesStack vs UserGems: Sales Engagement Platform vs Data Enrichment Tool Comparison
Compare SalesStack (sales engagement platform) and UserGems (data enrichment tool) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Compare SalesStack (sales engagement platform) and UserGems (data enrichment tool) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Reviewed and updated September 4, 2026
SalesStack vs UserGems: Sales Engagement Platform vs Data Enrichment Tool Comparison
Sales teams building an outbound stack often weigh SalesStack, a sales engagement platform for multi-channel sales outreach and engagement tracking, against UserGems, a data enrichment tool for B2B lead data and contact enrichment. They cover different parts of the workflow, so this comparison covers what each one does, what each one costs, and where they overlap.
The Quick Answer
SalesStack is a sales engagement platform for multi-channel sales outreach and engagement tracking; UserGems is a data enrichment tool for B2B lead data and contact enrichment. By each vendor's own wording, SalesStack lists lead scoring and cold email outreach, and UserGems lists build list (create & enrich) and account & contact scoring.
SalesStack offers a lower entry point at $1970/mo compared to UserGems at $3333/mo.
If your priority is coordinating outreach across email, phone, and social channels, SalesStack is the one built for it; for finding accurate contact data for target accounts, that is UserGems. Many teams run one of each.
Understanding the Core Difference
SalesStack is Sales engagement and sales automation platform (formerly SendBuzz) that combines a B2B lead database with 40+ filters, cold email campaigns, AI calling, forms, funnels, calendars and deal management in one sales OS for SMBs.
UserGems is Surfaces companies and buyers showing buying signals, then discovers, enriches and scores the matching accounts and contacts. Deploys AI agents to run outbound and account-based marketing from those signals.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Grow
Core
SalesStack Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Grow | $1970/yr | 5 unique mailboxes; 1000 lead search and enrichment credits; unlimited lead search | Not published as a send figure; cloud call center included |
| Ultimate | $4970/yr | 20 unique mailboxes; 3500 lead search and enrichment credits | Not published as a send figure |
| Enterprise | $9970/yr | 100 unique mailboxes; 8000 lead search and enrichment credits | Advanced, AI-powered email warm-up |
Source: SalesStack Pricing
UserGems Pricing (as of September 2026)
| Plan | Price | Contacts |
|---|---|---|
| Core | $3333/mo | 4,000,000 credits |
| Advanced | $6250/mo | 10,000,000 credits |
| Elite | $12500/mo | 25,000,000 credits |
Source: UserGems Pricing
Pricing Analysis
SalesStack is more affordable at the entry level ($1970/mo vs $3333/mo). For teams with tight budgets or those just getting started with multi-channel sales outreach and engagement tracking and B2B lead data and contact enrichment, this price difference matters.
Features Breakdown
- Lead Scoring
- Cold Email Outreach
- Sales Engagement
- Sales Funnels
- AI Calling
- Custom Forms
- and 4 more listed below
- Build List (create & enrich)
- Account & Contact Scoring
- Automated Campaigns
- Writing Agent
- Research Agent
- AI Co-pilot Chrome Extension
- and 2 more listed below
SalesStack Key Features
- Lead Scoring
- Cold Email Outreach
- Sales Engagement
- Sales Funnels
- AI Calling
- Custom Forms
- Multi-Channel Outreach
- Calendar
- Calls and Tasks
- Team Management
UserGems Key Features
- Build List (create & enrich)
- Account & Contact Scoring
- Automated Campaigns
- Writing Agent
- Research Agent
- AI Co-pilot Chrome Extension
- Contact-level Intent & Web Deanonymization
- CRM Hygiene
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 SalesStack
- Lead Scoring
- Cold Email Outreach
- Sales Engagement
- Sales Funnels
- AI Calling
- Custom Forms
- Multi-Channel Outreach
- Calendar
- Calls and Tasks
- Team Management
Listed only by UserGems
- Build List (create & enrich)
- Account & Contact Scoring
- Automated Campaigns
- Writing Agent
- Research Agent
- AI Co-pilot Chrome Extension
- Contact-level Intent & Web Deanonymization
- CRM Hygiene
Integration Ecosystem
SalesStack Integrations
SalesStack connects with: .
UserGems Integrations
UserGems connects with: Salesforce, Hubspot, Outreach, Salesloft, Gong Engage, Linkedin, Meta, Google.
Integrations listed only by UserGems: Salesforce, Hubspot, Outreach, Salesloft, Gong Engage, Linkedin, Meta, Google.
Use Case Recommendations
Best Fit for SalesStack
- Mid-market to enterprise teams with established multi-channel sales outreach and engagement tracking budgets
- Teams that need a wide feature set (10 capabilities listed)
- SDR teams running multi-channel outreach sequences
- Sales managers tracking team engagement metrics
Best Fit for UserGems
- Mid-market to enterprise teams with established B2B lead data and contact enrichment budgets
- Organizations with complex tech stacks needing broad integration support (8 integrations)
- Revenue operations teams building targeted prospect lists
- Marketing teams enriching CRM data for segmentation
Feature Comparison Summary
| Feature | SalesStack | UserGems |
|---|---|---|
| Starting Price | $1970/yr | $3333/mo |
| Top Tier Price | $9970/yr | $12500/mo |
| Total Features Listed | 10 | 8 |
| Integrations | 0 | 8 |
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
SalesStack serves the multi-channel sales outreach and engagement tracking side of an outbound stack and UserGems the B2B lead data and contact enrichment side. SalesStack offers a more accessible entry point at $1970/mo, while UserGems starts at $3333/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 SalesStack and UserGems for current information.
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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