Apollo.io offers the strongest free tier for B2B prospecting, giving unlimited email credits and 60 mobile credits monthly. Hunter (25 free searches), Lusha (5 credits/month), and Snov.io (50 credits) round out the top free options. Apollo wins for most teams because it bundles a usable CRM, email sequencing, and a large contact database without a paywall.
Free tier limits compared
Most prospecting tools meter usage by credits, where one credit typically unlocks one contact's email or phone number. The catch: providers count credits differently, and "unlimited" claims often hide caps on exports or daily lookups.
| Platform | Free credits/month | What you get | Best for |
|---|---|---|---|
| Apollo.io | Unlimited email, 60 mobile/yr | Email finder, basic sequences, CRM | All-in-one prospecting |
| Hunter.io | 25 searches, 50 verifications | Email finder + verifier | Email-only workflows |
| Lusha | 5 credits | Phone + email lookup | Quality direct dials |
| Snov.io | 50 credits | Email finder, drip campaigns | Outbound at small scale |
| RocketReach | 5 lookups | Email + phone | Occasional lookups |
| Cognism | None (demo only) | N/A |
The numbers shift often, so check each provider's pricing page before committing. As of recent updates, Apollo restructured its free plan to cap exports rather than searches.
Why Apollo leads on free value
Apollo's free plan gives you more than just contacts. You get email sequencing, a built-in CRM, and a 270M+ contact database. Most competitors force you into a paid tier to send a single sequence. That's the real differentiator: Apollo lets a solo founder run a full outbound motion without spending a dollar.
If you're weighing data quality alongside free limits, the Apollo vs ZoomInfo vs Lusha comparison breaks down accuracy tradeoffs in detail. ZoomInfo and Cognism don't offer real free tiers, so they're out for budget-conscious teams.
The credit-counting trap
Most teams get burned here. A "free" tool advertising 50 credits might burn one credit per failed lookup, or charge separately for email versus phone. Read the fine print:
- Apollo: unlimited email credits, but daily export caps apply on free
- Lusha: 5 credits total, and a phone + email reveal can count as two
- Hunter: separates searches from verifications, so 25 searches ≠ 25 verified emails
Matching free tiers to your sales motion
The right platform depends on how you sell. If your team runs heavy outbound, free credit limits matter less than data accuracy and sequencing. For inbound-led teams enriching form fills, a small credit pool stretches further. The inbound vs outbound B2B sales breakdown helps you decide which motion fits your stage.
Solo founders and bootstrappers
Start with Apollo. Unlimited email credits plus free sequencing covers the whole cold outreach loop. Pair it with Hunter's free verifier to scrub your list before sending and protect deliverability.
Small SDR teams
Apollo or Snov.io. Snov.io's 50 monthly credits and drip campaigns suit a 2-3 person team testing outbound. Once you scale past 100 prospects a week, you'll hit free caps fast and need to upgrade.
Enterprise teams
Free tiers won't cut it. ZoomInfo and Cognism gate everything behind sales calls because their value is depth and intent data. For these orgs, the question shifts from free limits to ROI, especially when paired with account-based marketing targeting named accounts.
How to maximize any free tier
Free credits run out fast if you waste them on bad-fit prospects. A few tactics stretch your monthly allowance:
- Filter hard before revealing. Build a tight ICP filter so every credit goes to a qualified contact.
- Verify before you reveal. Use Hunter's free verifier to confirm an email pattern, then reveal only when confident.
- Stack tools. Combine Apollo's unlimited emails with Lusha's 5 phone credits for high-value accounts.
- Reset monthly. Most free tiers reset on the 1st, so batch your prospecting to use the full allowance.
- Enrich in bulk. Export filtered lists rather than one-off lookups to avoid burning credits on duplicates.
A clean prospecting list also makes your sales discovery calls sharper, since you walk in already knowing the account's profile.
Key takeaways
- Apollo.io offers the best overall free tier with unlimited email credits and built-in sequencing.
- Hunter is best for email-only verification workflows at 25 free searches.
- Lusha gives only 5 credits but strong direct-dial accuracy.
- Snov.io suits small outbound teams with 50 credits and drip campaigns.
- ZoomInfo and Cognism skip free tiers entirely, targeting enterprise budgets.
- Always read credit-counting rules, since failed and partial lookups can drain your allowance fast.
For most early-stage B2B teams, start free with Apollo, layer in Hunter for verification, and upgrade only when consistent reply rates justify the spend.