Apollo.io vs UserGems: Data Enrichment Tool Comparison
Compare Apollo.io and UserGems side by side. See pricing, features, and integrations to choose the right data enrichment tool for your needs.
Apollo.io and UserGems both serve B2B lead data and contact enrichment, but differ sharply on price and approach. Apollo.io starts free and tops out at $119/mo with a 210M+ contact database, while UserGems starts at $3333/mo and focuses on buyer signal detection, account scoring, and AI agents for outbound and account-based marketing.
Key takeaways
- Apollo.io offers a free plan while UserGems entry pricing starts at $3333/mo for its Core tier.
- Apollo.io lists a 210M+ contacts database and 30M+ companies, while UserGems highlights build list, account and contact scoring, and AI agents.
- Apollo.io has 4 pricing tiers ranging from Free to $119/mo, while UserGems has 3 tiers ranging from $3333/mo to $12500/mo.
- Apollo.io lists 10 features and 7 integrations, while UserGems lists 8 features and 8 integrations.
- Both tools share integrations with Salesforce, HubSpot, Outreach, SalesLoft, and LinkedIn.
Reviewed and updated September 4, 2026
Apollo.io vs UserGems: Data Enrichment Tool Comparison
Apollo.io and UserGems compete head-to-head in the B2B lead data and contact enrichment space. This guide compares their pricing tiers, feature sets, and integration ecosystems to help you make a confident decision.
The Quick Answer
By each vendor's own wording, Apollo.io lists 210m+ contacts database and 30m+ companies, while UserGems lists build list (create & enrich) and account & contact scoring. A capability both offer can appear under different names, so read both feature lists below.
Apollo.io offers a lower entry point at $0/mo compared to UserGems at $3333/mo.
If your priority is finding accurate contact data for target accounts, both tools target it. The right choice depends on your budget, team size, and the specific capabilities you need most.
Understanding the Core Difference
Apollo.io is All-in-one sales intelligence platform with 210M+ contacts, AI-powered campaigns, and built-in email sequencing.
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
Free
Core
Apollo.io Pricing (as of September 2026)
| Plan | Price | Contacts |
|---|---|---|
| Free | Free | 900 credits per seat per year, granted monthly |
| Basic | $49/mo | 30,000 credits per seat per year, granted upfront |
| Professional | $79/mo | 48,000 credits per seat per year, granted upfront |
| Organization | $119/mo | 72,000 credits per seat per year, granted upfront |
Source: Apollo.io 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
Apollo.io is more affordable at the entry level ($0/mo vs $3333/mo). For teams with tight budgets or those just getting started with B2B lead data and contact enrichment, this price difference matters.
Apollo.io offers 4 pricing tiers compared to UserGems's 3, giving you more granularity as you scale.
Apollo.io includes a free tier, letting you test the platform before committing financially.
Features Breakdown
- 210M+ contacts database
- 30M+ companies
- AI-powered multichannel campaigns
- Email deliverability guardrails
- Anonymous visitor identification
- Real-time form enrichment
- 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
Apollo.io Key Features
- 210M+ contacts database
- 30M+ companies
- AI-powered multichannel campaigns
- Email deliverability guardrails
- Anonymous visitor identification
- Real-time form enrichment
- Contact and company enrichment
- Advanced filtering
- CRM data cleansing
- Pipeline boards
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 Apollo.io
- 210M+ contacts database
- 30M+ companies
- AI-powered multichannel campaigns
- Email deliverability guardrails
- Anonymous visitor identification
- Real-time form enrichment
- Contact and company enrichment
- Advanced filtering
- CRM data cleansing
- Pipeline boards
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
Apollo.io Integrations
Apollo.io connects with: Salesforce, HubSpot, Outreach, SalesLoft, Marketo, SendGrid, LinkedIn.
UserGems Integrations
UserGems connects with: Salesforce, Hubspot, Outreach, Salesloft, Gong Engage, Linkedin, Meta, Google.
Shared Integrations
Both tools integrate with: Salesforce, HubSpot, Outreach, SalesLoft, LinkedIn.
Integrations listed only by Apollo.io: Marketo, SendGrid.
Integrations listed only by UserGems: Gong Engage, Meta, Google.
Use Case Recommendations
Best Fit for Apollo.io
- 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
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 | Apollo.io | UserGems |
|---|---|---|
| Starting Price | Free | $3333/mo |
| Top Tier Price | $119/mo | $12500/mo |
| Total Features Listed | 10 | 8 |
| Integrations | 7 | 8 |
Getting Started Checklist
- Define your B2B lead data and contact enrichment requirements and monthly budget
- Estimate your expected 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
Apollo.io and UserGems both serve the B2B lead data and contact enrichment market. Apollo.io offers a more accessible entry point, 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 Apollo.io and UserGems for current information.
Frequently asked questions.
Frequently asked questions- Which is cheaper, Apollo.io or UserGems?
- Apollo.io is cheaper at the entry level, offering a free plan compared to UserGems's $3333/mo Core plan. Apollo.io's top tier is $119/mo while UserGems's top tier, Elite, costs $12500/mo, making Apollo.io the more budget-friendly option across all tiers.
- What is the main difference between Apollo.io and UserGems?
- Apollo.io is an all-in-one sales intelligence platform built around a 210M+ contact database, AI-powered campaigns, and email sequencing. UserGems focuses on surfacing companies and buyers showing buying signals, then enriching and scoring matching accounts before deploying AI agents for outbound and account-based marketing.
- Do Apollo.io and UserGems integrate with the same tools?
- Yes, both tools share integrations with Salesforce, HubSpot, Outreach, SalesLoft, and LinkedIn. Apollo.io additionally integrates with Marketo and SendGrid, while UserGems adds Gong Engage, Meta, and Google, giving UserGems a broader total of 8 integrations versus Apollo.io's 7.
- Who should use Apollo.io instead of UserGems?
- Apollo.io is a better fit for budget-conscious teams that want to start free and scale up, and for teams that need a wide feature set since it lists 10 capabilities. It suits organizations prioritizing affordability and gradual growth over enterprise-level buyer signal detection.
- Who should use UserGems instead of Apollo.io?
- UserGems suits mid-market to enterprise teams with established budgets for B2B lead data and contact enrichment. It fits organizations with complex tech stacks needing broad integration support across 8 integrations, revenue operations teams building targeted prospect lists, and marketing teams enriching CRM data for segmentation.
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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