Cold email outreach platform with unlimited sending accounts, warmup and B2B lead database.
Apollo.io vs Smartlead
Features, pricing, strengths and trade-offs — and which one fits your situation.
The verdict
Summary
Apollo.io is best for sales teams that want a B2B contact database and outreach sequences in one platform, while Smartlead is best for agencies running cold email for many clients with unlimited mailboxes and white-labeling. Only Smartlead offers email warm-up and unlimited sending accounts. Apollo.io has a free plan, while Smartlead offers a free trial.
Which should you choose?
Choose Apollo.io if…
- You need sales teams that want a B2B contact database and outreach sequences in one platform
- You're one of: sdr and bdr teams, startup founders doing outbound, small sales teams without a data vendor
- You want a free plan (Smartlead only has a trial)
- Database, sequencing and dialer in one tool
Choose Smartlead if…
- You need agencies running cold email for many clients with unlimited mailboxes and white-labeling
- Email warm-up matters to you
- Unlimited sending accounts matters to you
- You're one of: lead generation agencies, outbound teams sending at volume, agencies needing white-label client portals
At a glance
| Apollo.io | Smartlead | |
|---|---|---|
| Best for | Sales teams that want a B2B contact database and outreach sequences in one platform | Agencies running cold email for many clients with unlimited mailboxes and white-labeling |
| Free plan | Yes | Trial only |
| Starting price | From $49/user/mo | From $39/mo |
| Learning curve | Medium | Medium |
| Platforms | Web, Chrome extension, iOS, Android, API | Web, API |
| Ideal for | SDR and BDR teams, Startup founders doing outbound, Small sales teams without a data vendor | Lead generation agencies, Outbound teams sending at volume, Agencies needing white-label client portals |
Feature comparison
| Apollo.io | Smartlead | |
|---|---|---|
| B2B contact database | 200M+ contacts | Yes |
| Email sequences | Yes | Yes |
| Email warm-up | No | Yes |
| Unlimited sending accounts | No | Yes |
| LinkedIn steps | Manual task steps | — |
| Built-in CRM | Yes | Pro plan and above |
| AI personalization | Yes | Yes |
| Dialer / calling | Professional plan and above | No |
| Email verification | Yes | Paid add-on |
IncludedLimited / higher plansNot available— Not confirmed
Security & enterprise
| Apollo.io | Smartlead | |
|---|---|---|
| Business / enterprise plan | Yes | Yes |
| SSO (SAML / OIDC) | Organization plan | — |
| SCIM user provisioning | — | — |
| SOC 2 | Type II | — |
| ISO 27001 | Yes | — |
| HIPAA (BAA available) | — | — |
| GDPR DPA | Yes | Yes |
| Data residency options | — | — |
| No training on your data | — | — |
| Audit logs | — | — |
| Admin controls | Yes | — |
| Deployment | Cloud | Cloud |
From each vendor's security documentation. "—" = not confirmed. What to ask vendors · Compare all tools
What each tool does
Apollo.io
Apollo.io combines a large B2B contact and company database with multichannel sequences, a dialer, deal tracking and AI research tools. Reps search and filter prospects, enrich records, and run email, call and LinkedIn task steps from the same account. It is widely used by startups, SDR teams and small sales organizations as an all-in-one prospecting tool.
Key features- B2B database of 200M+ contacts with 65+ search filters
- Multichannel sequences with email, call and LinkedIn task steps
- Built-in dialer with recording and local presence (Professional and up)
- AI research, AI email writing and lead scoring
- Deals, pipeline and CRM enrichment
- Chrome extension for LinkedIn and Gmail
Smartlead
Smartlead is a cold email automation platform with unlimited mailboxes, automatic warm-up, inbox rotation and a unified inbox for replies. It adds a prospect database, a CRM on higher plans, and add-ons for mailbox setup, dedicated servers and white-label client workspaces. It is popular with lead-gen agencies and outbound teams sending at scale.
Key features- Unlimited mailboxes with automatic warm-up and rotation
- Unified inbox (master inbox) across all accounts
- AI personalization and reply categorization
- SmartProspect lead database
- Client workspaces with white-label option
- SmartServers and SmartDelivery deliverability add-ons
Pricing
Apollo.io
Free forever plan; paid from $49/user/mo annual ($59 monthly) Basic
Smartlead
Free trial (no card); paid from $39/mo ($32.50/mo annual) Base
Prices last checked September 2026. Plans change often — confirm on each vendor's site.
Pros and cons
Apollo.io
Strengths- Database, sequencing and dialer in one tool
- Useful free plan for light prospecting
- Syncs with Salesforce and HubSpot
- AI research speeds up personalization
- No true email warm-up; its ramp-up only paces sending volume
- Credit limits restrict exports and mobile numbers
- Data accuracy varies by region and industry
- Dialer is limited to Professional plan and above
Not ideal for: Agencies sending high-volume cold email across many domains will get better deliverability tooling from Instantly or Smartlead.
Smartlead
Strengths- Unlimited mailboxes on every plan
- Built for agencies managing many clients
- Detailed deliverability controls
- Trial without a card
- Email verification, white-label and servers are paid add-ons
- CRM access requires Pro plan or higher
- Interface has a steeper learning curve than Instantly
- Email-first: no native calling in sequences
Not ideal for: Small sales teams wanting a database, dialer and CRM in one product may prefer Apollo.io.
Integrations
Apollo.io
Smartlead
FAQ
What is the main difference between Apollo.io and Smartlead?
Apollo.io is built for sales teams that want a B2B contact database and outreach sequences in one platform; Smartlead is built for agencies running cold email for many clients with unlimited mailboxes and white-labeling. Key differences: Smartlead offers email warm-up and unlimited sending accounts.
Is Apollo.io or Smartlead cheaper?
Apollo.io starts from $49/user/mo and Smartlead starts from $39/mo (as of September 2026). On entry price, Smartlead is cheaper — but compare what each plan includes, since limits differ. Always confirm current pricing on each vendor's site.
Do Apollo.io and Smartlead have free plans?
Apollo.io has a free plan, while Smartlead offers a free trial.
Which is easier to use, Apollo.io or Smartlead?
Both have a medium learning curve.
What are good alternatives to Apollo.io and Smartlead?
Other sales & outreach tools worth comparing include Instantly.ai, HubSpot and lemlist.
