Success.ai vs Apollo.io for Startups
Choose Success.ai if your startup’s main job is finding leads and running AI-assisted email campaigns; choose Apollo.io for Startups if your team also wants CRM integrations, calling, and a published startup discount. Both offer prospecting and email outreach, but their published plan details differ. Apollo specifies seat prices, credit allowances, and startup eligibility, while Success.ai’s help documentation confirms that lead usage and exports depend on your plan without providing a current price we could verify.
Last updated October 24, 2026.
At a glance
| Dimension | Success.ai | Apollo.io for Startups |
|---|---|---|
| Published price | Not published | Free $0; Basic $49 or Professional $79 per seat/month, billed annually |
| Startup offer | Not published | 50% off Basic or Professional for one year, up to five seats |
| Startup eligibility | Not published | Fewer than 20 employees; other conditions apply |
| Lead-use limits | Plan-based Lead Balance and export limits | Basic 30,000; Professional 48,000 credits per seat/year |
| Connected mailboxes | Multiple sending accounts; plan limit not published | Basic one per user; Professional provider-specific limits |
| Calling | Not published | US dialer on paid plans; credits apply |
| Email warmup | Mailbox warmup | Email warmup on paid plans |
| Integrations | Integrations, webhooks, and API on Growth or above | Salesforce, HubSpot, and API access |
| Platforms | Web app | Web app and Chrome extension |
| Deployment | Online workspace | Online workspace |
| Support | Help Center and support contact | One-to-one support for accepted startups |
| Free access | Free-to-begin signup; terms not published | Free plan; 14-day Basic or Professional trial |
Scroll the table sideways to compare each row.
Which should you choose?
Choose Success.ai if
- Startups concentrating on email-first outreach
- Teams that want AI assistance with writing and replies
- Teams that want to find leads and add them directly to campaigns
Choose Apollo.io for Startups if
- Eligible startups seeking a one-year discount on paid seats
- Sales teams combining email sequences with calling
- Teams that use Salesforce or HubSpot
- Founders who want a published free plan and credit allowances
The verdict
The deciding factor is your sales workflow. Success.ai is the better fit for a team centered on email campaigns, warmup, and AI-assisted replies. Apollo.io for Startups is the better fit when reps need prospect data, sequences, CRM connections, and a dialer together. If price determines the choice, compare a current Success.ai quote with Apollo’s published per-seat price and check whether your company qualifies for Apollo’s one-year startup discount.
Success.ai vs Apollo.io for Startups: common questions
- Which is a better fit for an email-first startup?
- Success.ai is a better fit when the workflow centers on finding leads, writing outreach, warming mailboxes, and managing replies. Apollo.io for Startups also supports email outreach, but its paid plans add a broader sales workflow that includes a dialer and CRM integrations.
- How much does Apollo.io for Startups cost?
- Apollo lists Basic at $49 and Professional at $79 per seat per month when billed annually. Startups accepted into Apollo’s program receive 50% off either plan for one year on up to five seats. Eligibility conditions apply.
- How much does Success.ai cost?
- A current Success.ai plan price could not be verified from its accessible vendor pages. Success.ai documents plan-dependent lead balances and export limits, so request current pricing and included usage before comparing costs.
- Does every startup qualify for Apollo’s 50% discount?
- No. Apollo says applicants must have fewer than 20 employees, no existing Apollo subscription, a valid company domain, and an affiliation with a startup ecosystem partner. Startups without a partner affiliation can apply and ask about next steps.
- Are leads or email sends unlimited on either platform?
- Do not assume so. Success.ai says Lead Finder balances and exports vary by plan, and sender-account daily limits can restrict campaigns. Apollo assigns credits by plan and publishes mailbox limits for Basic and Professional.
- Can both platforms warm up email accounts?
- Yes. Success.ai documents mailbox warmup, and Apollo lists email warmup on its paid plans. Check the applicable plan and mailbox setup before choosing either service.
- Which product includes a dialer?
- Apollo includes a US dialer on paid plans and applies credits to calls; its advanced dialing features require an add-on. A built-in dialer was not published in the Success.ai vendor materials verified for this comparison.
- Can I connect either product to my existing tools?
- Yes. Success.ai documents integrations and webhooks, with API access requiring Growth or above. Apollo lists Salesforce and HubSpot integrations and API access; confirm the specific connection and plan your team needs.