The best free lead generation tools for agencies in 2026 are CloseFast (closefa.st), Apollo.io, Hunter.io, Snov.io, Lusha, Wiza, Outscraper, and Apify — each offering a genuinely free tier that renews monthly, not a 14-day trial that expires. 61% of marketers say lead generation is their number-one challenge, and 53% spend at least half their budget on it, per DemandSage's 2026 lead generation statistics. For agencies just starting out — or testing a new vertical before committing to a paid tool — a well-chosen free tier can cover the first 10 to 500 prospects per month at zero cost. The tools below were compared on published pricing and documented features, not testing claims. Each entry includes the real free-tier limits, what the tool actually does, and one honest limitation, because a roundup that says everything is great helps no one.
Comparison table
| Tool | Best for | Free tier | Key differentiator |
|---|---|---|---|
| CloseFast (closefa.st) | Local business prospecting with audits | 10 leads/mo | Only free tool that audits ad spend, pixel, and website per prospect |
| Apollo.io | B2B database search at scale | ~75 credits/mo, free forever | 600K+ companies, sequences, filters |
| Hunter.io | Domain-based email finding | 50 credits/mo | ~95% deliverability on verified emails |
| Snov.io | Email finding + basic sending | 50 credits + 100 recipients/mo | Prospecting and cold email in one free tier |
| Lusha | Phone number enrichment | 40 credits/mo | Strong phone coverage alongside email data |
| Wiza | LinkedIn profile extraction | 20 emails + 5 phones/mo | Chrome extension pulls contacts from LinkedIn |
| Outscraper | Google Maps business scraping | 500 businesses/mo | Pay-as-you-go with no monthly commitment |
| Apify | Programmatic scraping at scale | $5/mo platform usage | Google Maps Scraper actor with per-event pricing |
Pricing verified August 2026 via each tool's live pricing page.
1. CloseFast (closefa.st)
Best for: Agencies that prospect local businesses and need more than a raw contact list.
CloseFast pulls local businesses from Google Maps by city and niche, then audits each one for marketing gaps before you ever write an email. The free tier gives 10 leads per month — each with a full audit covering whether the business is running Facebook or Google ads, whether their tracking pixel is installed, how many Google reviews they have, and whether their site loads properly. It also segments prospects (Segment A = ads running with no pixel, Segment B = no pixel and no ads, etc.) and generates a personalized pitch referencing the specific audit findings.
Pricing: Free €0/month, 10 leads/mo, no credit card. Starter €49/mo for ~250 leads; Pro €99/mo for ~600. Verified August 2026 via closefa.st.
Honest limitation: 10 leads per month is enough to test the tool and send your first batch of pitches, but it won't sustain a full pipeline. The free tier also covers Google Maps-sourced businesses only — no B2B firmographic database.
2. Apollo.io
Best for: Agencies that need a large B2B contact database with search filters and basic email sequences at zero cost.
Apollo's free-forever plan is the broadest free offering in B2B prospecting: access to a 600K+ company database with basic filters, two email sequences, and roughly 75 credits per month (Apollo grants 900 credits per seat per year, distributed monthly). The plan includes company identification (20 per month) and unlimited seats. Apollo explicitly states you can downgrade to the free Starter plan after any trial, and it remains free indefinitely.
Pricing: Free $0/mo, ~75 credits/mo, free forever. Paid plans from $49/seat/mo. Verified August 2026 via apollo.io/pricing.
Honest limitation: Apollo's data is heavily user-contributed, meaning email accuracy sits around 70–80% — two to three bounces per ten sends. The platform also suffered two data breaches (2018 and 2021, per HaveIBeenPwned). Always verify emails with a dedicated verifier before sending cold email from Apollo exports.
3. Hunter.io
Best for: Agencies that already know which companies they want to target and need verified email addresses.
Hunter.io's free tier gives 50 credits per month, each usable for either an email search (find the address) or an email verification (confirm it delivers). The tool works by domain — you type a company website and it returns all publicly indexed email addresses with confidence scores. It does not discover companies for you; it finds contacts at companies you already know.
Pricing: Free $0/mo, 50 credits/mo. Paid plans from $34/mo (annual billing). Verified August 2026 via hunter.io/pricing.
Honest limitation: 50 credits is enough for one focused prospecting session, not a sustained pipeline. Hunter is a contact finder, not a discovery tool — you need to know the company first.
4. Snov.io
Best for: Agencies that want email finding and basic cold email sending in a single free tool.
Snov.io's free Trial plan renews every 30 days indefinitely — 50 credits for prospect search and email finding, plus 100 recipients per month for cold email campaigns and one warm-up slot. The credits and recipients refresh monthly at no cost. Snov.io is the only tool in this list that combines lead finding with email sending infrastructure in the free tier.
Pricing: Free $0/mo, 50 credits + 100 recipients/mo. Paid plans from $39/mo. Verified August 2026 via snov.io/pricing.
Honest limitation: The free Trial excludes bulk search, bulk verification, CSV export, integrations, API access, and email A/B testing. You can find leads and send emails, but you cannot export contacts to another tool or CRM.
5. Lusha
Best for: Agencies that need phone numbers alongside email addresses, not just email data.
Lusha's free plan provides 40 credits per month with no credit card required. Credits are consumed at different rates: revealing an email costs 2 credits, revealing a phone number costs 5 credits. So the free tier covers roughly 20 email reveals or 8 phone reveals per month. Lusha's strength is direct-dial phone coverage — it sources mobile numbers that many email-only tools don't have.
Pricing: Free $0/mo, 40 credits/mo. Paid plans from $37.45/mo (annual billing). Verified August 2026 via lusha.com/pricing.
Honest limitation: At 2 credits per email and 5 per phone, the 40-credit monthly allotment depletes fast. An active prospector will exhaust the free tier in one or two sessions. Lusha is a supplement, not a standalone workflow.
6. Wiza
Best for: Agencies that prospect from LinkedIn and need to extract contact data from profiles directly.
Wiza's free plan gives 20 valid emails and 5 phone numbers per month. The tool works as a Chrome extension that sits on top of LinkedIn — when you find a relevant profile, Wiza pulls the contact data. This makes it useful for targeted, profile-by-profile extraction rather than bulk database searches.
Pricing: Free $0/mo, 20 emails + 5 phones/mo. Paid plans from $83/user/mo (billed annually). Verified August 2026 via wiza.co/pricing.
Honest limitation: 20 emails and 5 phone numbers per month is not enough volume to build a workflow around. Wiza is a supplementary tool for grabbing a handful of contacts quickly from LinkedIn, not a primary lead source.
7. Outscraper
Best for: Agencies that need raw Google Maps business data in volume and don't need audits or contact enrichment.
Outscraper's free tier gives 500 businesses per month scraped from Google Maps, exported as CSV, Excel, Parquet, or JSON. The tool charges no monthly fees and no recurring billing — you only pay when you exceed 500 businesses, and then it's $3 per 1,000 records. The free tier resets monthly.
Pricing: Free $0/mo, 500 businesses/mo. PAYG at $3/1K records after that. Verified August 2026 via outscraper.com/pricing.
Honest limitation: Outscraper returns raw business listings — name, address, phone, website — with no marketing-gap audits, no ad-spend data, and no pitch generation. You get volume, but you still need to manually qualify each business before outreach.
8. Apify
Best for: Agencies with technical capability (or a developer) who want programmatic scraping with per-event pricing.
Apify's free plan includes $5 per month of prepaid platform usage at no cost, with no credit card required. The Google Maps Scraper actor costs roughly $4 per 1,000 places, meaning the free tier covers about 1,250 places per month. Apify is a scraping platform with 547K+ users and a marketplace of pre-built actors — the Google Maps scraper is one of hundreds, but it's the most relevant for lead generation.
Pricing: Free $0/mo, $5/mo platform usage (~1,250 places via Google Maps Scraper). Paid plans from $49/mo. Verified August 2026 via apify.com/pricing.
Honest limitation: Apify requires technical setup — you configure an Actor, monitor compute units, and handle the output. It is not a turnkey prospecting tool. If your agency doesn't have someone comfortable with developer tooling, the other options here are better fits.
How to choose a free lead generation tool
What are you prospecting? If local businesses (restaurants, dentists, gyms, salons), you need Google Maps-sourced tools — CloseFast or Outscraper. If B2B companies, you need firmographic databases — Apollo, Hunter, or Lusha.
What is your monthly volume? Add up the free tiers: CloseFast (10) + Hunter (50) + Snov (50) + Lusha (40) gives 150 prospects per month across four tools at zero cost. An active SDR doing 20–30 contacts per day will exhaust most free tiers in two to three business days, so plan to combine tools.
Do you need audits or just contacts? Raw contact data (Apollo, Hunter, Lusha, Outscraper) gives you a name and email. Audited data (CloseFast) tells you whether the prospect is spending on ads, has a tracking pixel, and has website issues — information that makes your pitch specific and your close rate higher. The best lead generation tools for marketing agencies covers this distinction in depth.
For agencies that already have a client acquisition pipeline and just need a free starting point, the fastest path is CloseFast for local prospects (10 free audited leads with pitches) paired with Apollo for B2B contacts (~75 free credits per month). Need raw Maps data in volume? The Google Maps scrapers roundup covers Outscraper and Apify in more detail.
When a free tier stops being enough
Every free tier in this list caps either lead volume, data fields, or export capability. The question is when upgrading pays for itself. If you are sending 20+ cold emails per week and converting prospects into paying clients, the math is simple: one new client at €500–1,000/month covers a €49/month tool subscription many times over.
The mistake is not upgrading — it is staying on a free tier past the point where manual workarounds (re-enrolling in trials, juggling multiple free accounts, hand-copying data because export is blocked) cost more in time than the paid plan costs in money. Start free, validate the workflow, then pay for the one tool that fits your pipeline.
For cold email infrastructure to send to those found leads, the best cold email tools for agencies roundup covers paid sending tools that pair with any of these free discovery options.