Selzy vs Apollo.io
Use Selzy if you want to create email campaigns for a subscriber list; use Apollo.io if you need to find B2B prospects and run sales outreach. Selzy centers on email design, signup forms, segmentation, and marketing automation, while Apollo.io combines a B2B contact database with prospecting and sales engagement tools.
Last updated October 24, 2026.
At a glance
| Dimension | Selzy | Apollo.io |
|---|---|---|
| Primary use | Subscriber email marketing | B2B prospecting and sales engagement |
| Contact source | Imported contacts and signup forms | Searchable B2B contact database |
| Campaign tools | Email builder, templates, segmentation | Outbound sequences and templates |
| Prospect database | Not published | 240M+ contacts; 30M+ accounts |
| Free-plan limit | 100 contacts; 1,000 emails/month | 900 credits/seat/year |
| Paid starting price | From $7/month | $49/seat/month, billed annually |
| Paid plans | Lite, Standard, Enterprise | Basic, Professional, Organization |
| Pricing basis | Contact-list size or prepaid emails | Seats and credits |
| Browser access | Web app | Web app and Chrome extension |
| Integrations | Shopify, WordPress, HubSpot, Salesforce | Salesforce, HubSpot, Gmail, LinkedIn |
| Support | 24/7 chat, email, and phone | Basic email support; higher-tier options |
Scroll the table sideways to compare each row.
Which should you choose?
Choose Selzy if
- Teams sending campaigns to a subscriber list
- Beginners who want an email builder and templates
- Marketers collecting subscribers with forms and pop-ups
- Teams that value 24/7 help on the free plan
Choose Apollo.io if
- Sales teams finding new B2B prospects
- Reps using email sequences for outbound outreach
- Teams enriching contact and company records
- Reps prospecting from LinkedIn or their CRM
The verdict
The deciding factor is where your contacts come from. Pick Selzy when you are growing and emailing a subscriber list and want campaign-building tools with 24/7 support. Pick Apollo.io when your sales team needs to discover business contacts, enrich records, and put prospects into outreach sequences. Neither is the better choice for every email workflow.
Selzy vs Apollo.io: common questions
- Should I use Selzy or Apollo.io for newsletters?
- Choose Selzy for newsletters to a subscriber list. It publishes an email builder, templates, signup forms, segmentation, and bulk email tools. Apollo.io focuses on B2B prospecting and sales outreach.
- Which product helps me find new B2B contacts?
- Apollo.io publishes a searchable database of more than 240 million contacts and 30 million accounts. Selzy describes importing and collecting contacts for email marketing, but does not publish a comparable prospect database.
- Do Selzy and Apollo.io have free plans?
- Yes. Selzy's free plan allows up to 100 contacts and 1,000 emails per month. Apollo.io lists a free plan with 900 credits per seat per year, granted monthly; its credits are not the same measure as Selzy's email-send limit.
- How much do the paid plans start at?
- Selzy advertises paid email marketing from $7 per month. Apollo.io lists Basic at $49 per seat per month when billed annually. Check the selected contact allowance, seats, credits, and billing term before comparing a final price.
- Can both products automate emails?
- Yes, for different purposes. Selzy publishes email marketing automation for subscriber campaigns; Apollo.io publishes sequences for outbound sales outreach. Features and limits vary by plan.
- Which one works from LinkedIn?
- Apollo.io offers a browser extension for prospecting from LinkedIn. Selzy publishes integrations and a web-based email marketing platform, but does not list a comparable LinkedIn prospecting extension.
- Which offers support outside business hours?
- Selzy advertises 24/7 help by chat, email, and phone, including on its free plan. Apollo.io lists basic email support and additional support options in its plan comparison; it does not state the same 24/7 commitment there.
- Can I connect either product to HubSpot or Salesforce?
- Yes. Selzy lists HubSpot and Salesforce among its integrations, and Apollo.io publishes CRM integrations for both. Check the applicable plan and integration terms for your intended workflow.