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Finding the best sales prospecting tools for a small B2B team in 2026 mostly comes down to three questions: how much contact data you need, how many people will use it, and how much of a contract you are willing to sign. This guide compares three popular options, Apollo.io, Seamless.AI and Amplemarket, using the vendors’ own pages and public third-party write-ups.
To be clear, this is an informed guide, not a hands-on review. I have not run campaigns with these tools, so I only report what the vendors state and what other sources document. Pricing in this space changes often and is sometimes hidden behind a sales call, so treat every figure as “checked October 2026” and confirm it before you buy.
Quick verdict
- Apollo.io: best starting point for most small teams and solo founders. It has a free plan and published per-user plans.
- Seamless.AI: worth a look if you mainly want a fast contact lookup tool and can live with an annual contract. Confirm pricing and cancellation terms first.
- Amplemarket: best for small teams that want prospecting plus multichannel outreach and AI signals in one place, and can budget for a higher entry price.
Start with Apollo.io if you are unsure.
Comparison table (checked October 2026)
| Tool | Best for | Starting price | Free plan or trial | Key limit |
|---|---|---|---|---|
| Apollo.io | Solo founders and small teams | Paid plans listed by third parties from about $49 per user per month on annual billing; check Apollo’s pricing page | Free plan, no time limit (per Apollo) | Credits are pooled and expire each cycle; free plan only connects Gmail accounts |
| Seamless.AI | Quick contact lookups | Public pricing is unclear; third parties cite roughly $147 per user per month annually. Check with Seamless.AI | Free trial (per Seamless.AI) | Annual contracts with notice rules for cancelling |
| Amplemarket | Multichannel outreach with AI signals | Startup plan $600 per month on an annual term, includes 2 users (per Amplemarket) | All plans include a free trial (per Amplemarket) | Growth and Elite prices are not published |
Apollo.io
What it is
Apollo.io combines a searchable B2B contact database with email sequencing, a dialer and CRM integrations. It is aimed at sales teams from a single founder up to larger groups.
Key features
- Contact and company search with export (Apollo states you can export up to 10,000 leads in one click on some setups).
- Email sequencing, available on the free plan too, though only Gmail accounts can be connected there.
- Higher plans add AI features, call recording and deeper CRM integrations, according to Apollo.
- Admins can set per-user credit caps, and credits are pooled across the team.
Pricing
Apollo’s page names Free, Basic, Professional and Custom plans but does not show dollar amounts in the text I could read. A March 2026 third-party breakdown from Landbase lists Basic at $49, Professional at $79 and Organization at $119 per user per month on annual billing ($59, $99 and $149 monthly), with a free plan of 900 credits per user per year. Treat these as approximate and check the current price on the official pricing page.
Unused credits expire at the end of each billing cycle, and all seats on an account must be on the same plan.
Pros and cons
- Pro: a real free plan lets you test the data before paying.
- Pro: data, sequences and dialer in one product.
- Con: credit limits can get tight if you reveal many phone numbers.
- Con: “unlimited” features are still subject to a fair use policy.
Who should skip it: teams that need guaranteed phone-heavy outreach at volume, or that want a fully managed onboarding.
Seamless.AI
What it is
Seamless.AI is a contact and company lookup platform. Its pricing page says you can start with a free trial and upgrade to a paid tier called Seamless Pro.
Key features
- Contact reveals that consume credits, one credit per reveal.
- Add-ons such as buyer intent data, job changes, data enrichment and an AI assistant, which are quote-based according to third-party summaries.
Pricing and terms
Seamless.AI’s own pricing page did not show plan prices when I checked. Third-party sources are inconsistent: one cites around $147 per user per month billed annually for Basic, while Pro and Enterprise are quote-based. A Landbase write-up (a competitor, so read it with that in mind) says paid plans use annual contracts and that cancelling requires 60 days’ notice before renewal or the plan can renew for 12 months. Ask for the exact terms in writing before signing.
Pros and cons
- Pro: simple, lookup-first workflow and a free trial to test data quality.
- Con: pricing is not transparent and overage rates are not public.
- Con: annual contracts and cancellation notice rules need careful reading.
Who should skip it: anyone who wants month-to-month flexibility or fully published prices.
Amplemarket
What it is
Amplemarket is a sales platform that pairs a prospect database with multichannel sequences, AI intent signals and deliverability tools.
Key features
- Multichannel sequences, AI intent signals and the Duo Copilot assistant on every plan, per Amplemarket’s pricing page.
- Deliverability tools such as Domain Health Center, Email Spam Checker and Mailbox Recommendation.
- Job change alerts and an outbound dialer.
Pricing
Per Amplemarket, the Startup plan is $600 per month on an annual term and includes 2 users, 27,000 contacts and 13,500 email credits per user per year. Growth (4 users) and Elite (10 users) have custom pricing. All plans include a free trial, according to the vendor.
Pros and cons
- Pro: outreach, signals and deliverability features sit together.
- Pro: published plan limits make it easy to size.
- Con: the entry price is well above Apollo’s published plans.
- Con: higher tiers are quote-only.
Who should skip it: solo founders and very small budgets.
How to choose
- Tight budget or just testing outbound: start with the Apollo.io free plan.
- Two to four reps running multichannel outbound: compare Amplemarket’s trial against Apollo’s paid tiers.
- Data lookups only: trial Seamless.AI, but get pricing and cancellation terms in writing.
Whatever you pick, run a small test list first and check how many emails bounce before you pay for a year.
Data privacy and consent basics
This is general information, not legal advice. If you email people in the EU or UK, GDPR generally expects a lawful basis (often “legitimate interest” for B2B), a clear way to opt out and honest handling of data requests. In the US, CAN-SPAM requires accurate sender details, a physical postal address, no deceptive subject lines and a working unsubscribe that you honor promptly. Other countries have their own rules, so talk to a qualified professional before running large campaigns.
How it fits with a Notion workflow
A prospecting tool finds and contacts people. You still need a place to track deals, follow-ups and what you promised. I cover that in my guide to a Notion CRM sales pipeline, and if you prefer a dedicated CRM, see my folk CRM review. If you build your pipeline in Notion, my Small Business Back Office Kit organizes clients, tasks and finances, while Freelancer Business Kit suits solo consultants. The template tracks the work; the prospecting tool supplies the leads.
FAQ
Is there a free sales prospecting tool?
Apollo says its free plan has no time limit. Seamless.AI and Amplemarket offer free trials according to their sites.
Which is cheapest for a small team?
Based on published information, Apollo has the lowest entry point. Amplemarket’s Startup plan is $600 per month on an annual term, and Seamless.AI pricing needs confirmation.
Are credits shared across a team?
Apollo says credits are pooled across the team and expire each cycle. Amplemarket lists credits per user per year. Check how each plan counts them.
Is it legal to email prospects from these databases?
Rules depend on your location and your audience. See the basics above, and get professional advice for your situation.
Final verdict
For most small B2B teams, Apollo.io is the safest first test because of its free plan. Amplemarket suits teams ready to invest in multichannel outreach, and Seamless.AI is best only if its terms suit you after a careful read. Try before you commit, and confirm current prices on each vendor’s site.
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