Apollo.io vs Overloop
An independent, review-free comparison compiled by the SaaSTracker editorial team. Both products are profiled in full, and neither can pay for placement here.
Still shortlisting? Browse the best in B2B Data Providers and the best in Sales Engagement for every option we track, with award winners called out.
The short answer
Editorial assessmentOverloop compared with Apollo.io
Apollo is the category-scale version of the same bundle: a bigger database, richer filters, a dialer, and a large ecosystem, at aggressive prices. Overloop counters with voice-matched AI campaign generation, EU hosting, and a simpler product a two-person team can actually operate. Data-first power users pick Apollo; European SMBs that want the AI to do the assembling pick Overloop.
Choose Apollo.io if
Startups and SMB sales teams that want the largest self-serve contact database and outreach execution in one affordable product.
Choose Overloop if
Founders, small B2B sales teams, and agencies that want prospect data, AI-written outreach, and multichannel sending bought as one subscription instead of assembling a database, a copy tool, and a sender separately.
Side by side
13 attributes| Attribute | Apollo.io | Overloop |
|---|---|---|
| Category | Data | Engagement |
| Starting price | Free plan; paid from $49/user/mo | $69/user/mo (Starter) (7 days trial) |
| Pricing model | Freemium with per-user monthly tiers; credits meter email reveals (generous) and phone/export credits (tighter). Self-serve through Organization tier; custom above. | Per-user monthly subscription in three tiers, differentiated by included sourcing credits, connected email accounts, concurrent campaigns, and CRM integrations; prospect sourcing and email finding are metered in credits (1 credit each). |
| Free plan | Free forever: limited credits, 2 sequences, basic filters. | No |
| Free trial | 14 days (of paid features) | 7 days, no credit card required |
| Best for | Startups and SMB sales teams that want the largest self-serve contact database and outreach execution in one affordable product. | Founders, small B2B sales teams, and agencies that want prospect data, AI-written outreach, and multichannel sending bought as one subscription instead of assembling a database, a copy tool, and a sender separately. |
| Setup time | Minutes to first list on free tier; a week to wire CRM enrichment rules and team sequences properly. | Under a day: connect a mailbox, describe an ICP, review the AI-drafted campaign. Add 2 to 4 weeks of warm-up before real volume on fresh mailboxes, per category norms. |
| Learning curve | Low for prospecting; moderate for admin surface (credit policies, enrichment rules, plays). | Low. The AI does the campaign scaffolding, and the review-then-launch loop is simpler than assembling sequences by hand. Credit budgeting and LinkedIn pacing settings are the only concepts requiring attention. |
| Platforms | Web app, Chrome extension, iOS app, REST API | Web app, Chrome extension, REST API (Growth and Enterprise) |
| Compliance | SOC 2 Type II, GDPR program, CCPA | GDPR (EU-based company, EU-hosted product), CASA Tier 2 |
| Founded | 2015 | 2015 |
| Headquarters | San Francisco, California, US | Brussels, Belgium (fully remote team since 2022) |
| Ownership | Venture-backed (private) | Subsidiary of Sortlist (acquired December 2025); operates independently under its Belgian entity |
Strengths and limitations
Apollo.io
Strengths
- Unmatched self-serve coverage-per-dollar; the price floor of the entire category.
- Data + engagement in one product removes the export/import loop entirely.
- Free tier and transparent pricing make evaluation frictionless.
- Enrichment/dedupe layer quietly excellent for CRM hygiene.
Limitations
- Direct-dial accuracy trails phone specialists (Lusha, Cognism) in many segments.
- Engagement layer lacks enterprise governance, CI depth, and forecasting.
- Credit mechanics (phone/export) complicate the headline pricing.
- EU data compliance posture is workable but not the selling point Cognism makes it.
Overloop
Strengths
- Genuine all-in-one scope for SMB outbound: database, verification, AI copy, warm-up, multichannel sending, and analytics under one price.
- AI writing that aims at voice-matched, context-driven drafts with a human review gate, a more honest design than either template mail-merge or fully autonomous AI SDRs.
- Deliverability posture is built in, not an add-on: warm-up, verification, pacing, and measured LinkedIn limits ship with every tier.
- A decade of profitable, bootstrapped operation before the Sortlist deal suggests a product run on customer revenue rather than burn.
Limitations
- Credit math is tight at the entry tier: 250 credits covers only about 125 sourced-and-verified net-new contacts a month per user.
- Salesforce integration locked behind custom-priced Enterprise puts the most common mid-market CRM out of self-serve reach.
- No dialer, SMS, or conversation intelligence; multichannel means email plus LinkedIn, full stop.
- Small team (LinkedIn band 11-50, fully remote) means support depth and shipping cadence depend on a handful of people, mitigated but not solved by Sortlist ownership.
Pricing compared
Apollo.io
Freemium with per-user monthly tiers; credits meter email reveals (generous) and phone/export credits (tighter). Self-serve through Organization tier; custom above.
- Free$0
- Basic$49
- Professional$79
- Organization$119
Nothing matches Apollo's coverage-per-dollar; it reset the category's price floor and forced legacy vendors into defensive bundling. The honest caveats: dial accuracy trails specialists, and heavy exporters discover credits are the true price. As a first data stack or a waterfall's volume layer, it remains the obvious call.
Overloop
Per-user monthly subscription in three tiers, differentiated by included sourcing credits, connected email accounts, concurrent campaigns, and CRM integrations; prospect sourcing and email finding are metered in credits (1 credit each).
- Starter$69
- Growth$99
- EnterpriseCustom
Judged as one subscription replacing three (a data tool, an AI copywriter, and a sender with warm-up), $69 to $99 per user is fair and simple, and for founders and small teams the consolidation is the whole point. Judged as a sending platform alone it is expensive: pure-play senders undercut it badly, and 250 Starter credits (roughly 125 fully sourced-and-verified contacts a month) run out fast for anyone doing real volume. The economics work when you use all three layers; teams that already own good data should not pay Overloop's bundle premium.
Editorial verdict on each
Apollo.io
Category LeaderApollo is the gravitational center of self-serve B2B data: coverage that reset the market's price floor, fused to an engagement layer that genuinely eliminates the export loop for SMBs. Its honest weaknesses, dial accuracy, credit fine print, mid-depth engagement, haven't slowed the flywheel because nothing else offers this much stack per dollar. Start here; add specialists only where measurement says Apollo falls short.
Read the full Apollo.io profileOverloop
Overloop is the most coherent AI SDR pitch in the SMB tier: one subscription that finds the people, writes the outreach in your voice, keeps a human in the loop, and handles deliverability plumbing. For founders and small teams starting from no list, that consolidation genuinely beats assembling Apollo-plus-copywriter-plus-sender. The caveats are the mirror of the strengths: tight credit math at $69, Salesforce held hostage by Enterprise pricing, a deliberately shallow LinkedIn layer, and a small team now owned by an agency marketplace with its own agenda. Buy it as a bundled starting engine for precise outbound; skip it if you already own good data or need volume, phone, or enterprise controls.
Read the full Overloop profileApollo.io profile last reviewed 2026-09-26; Overloop last reviewed 2026-09-26. Pricing is compiled from public sources and can change without notice. See our methodology.
The best in B2B Data Providers
26 trackedB2B data providers supply the contact and company information (emails, phone numbers, firmographics, and buying signals) that feeds prospecting lists and enrichment workflows.
The largest self-serve contact database in the category, fused with sequencing, data and execution in one product.
Accurate direct dials and a genuinely usable free tier make Lusha the lowest-friction entry point into paid B2B data.
Founded in 2022 and already at 40,000 users, Prospeo shipped AI Search, lookalikes, and an MCP server in 2025 as its database passed 280M leads.
Semantic search over the live web with contact data attached made prospecting a language problem rather than a database subscription.
Signup to verified emails in five minutes with zero configuration, and failed searches cost nothing, so nobody needs training to get value from Anymailfinder.
The best in Sales Engagement
18 trackedSales engagement platforms orchestrate multichannel selling across email, phone, LinkedIn, and tasks into structured sequences, with analytics and CRM sync for full-team pipelines.
The most complete multichannel sequencing platform a small team can buy without a sales call: email, calls, and social touches with a built-in data layer and AI replies.
A genuinely usable free tier followed by full multichannel sequencing at $39 per user puts a complete engagement stack inside a bootstrapped budget.
A 2026 repositioning as an AI-native CRM with a live MCP endpoint and one flat $59 plan has Breakcold breaking out of the sales engagement pack.
Duo splits outreach into Signal, Research, and Sequence agents, three specialist AIs with a human approval gate before anything sends.
Tracking works on the very next send within ten minutes of install because the interface is the Gmail or Outlook compose window reps already use.
Frequently asked questions
6 questionsWhat is the difference between Apollo.io and Overloop?
Apollo is the category-scale version of the same bundle: a bigger database, richer filters, a dialer, and a large ecosystem, at aggressive prices. Overloop counters with voice-matched AI campaign generation, EU hosting, and a simpler product a two-person team can actually operate. Data-first power users pick Apollo; European SMBs that want the AI to do the assembling pick Overloop.
Is Apollo.io or Overloop cheaper?
Apollo.io starts at Free plan; paid from $49/user/mo. Overloop starts at $69/user/mo (Starter) (7 days trial). The billing models differ, so the entry price is rarely the whole cost. Apollo.io pricing model: Freemium with per-user monthly tiers; credits meter email reveals (generous) and phone/export credits (tighter). Self-serve through Organization tier; custom above. Overloop pricing model: Per-user monthly subscription in three tiers, differentiated by included sourcing credits, connected email accounts, concurrent campaigns, and CRM integrations; prospect sourcing and email finding are metered in credits (1 credit each).
Does Apollo.io or Overloop have a free plan?
Apollo.io has a free plan. Free forever: limited credits, 2 sequences, basic filters. Trial terms: 14 days (of paid features). Overloop has no free plan. Trial terms: 7 days, no credit card required.
Who should choose Apollo.io?
Startups and SMB sales teams that want the largest self-serve contact database and outreach execution in one affordable product.
Who should choose Overloop?
Founders, small B2B sales teams, and agencies that want prospect data, AI-written outreach, and multichannel sending bought as one subscription instead of assembling a database, a copy tool, and a sender separately.
What are the best alternatives to Apollo.io and Overloop?
SaaSTracker profiles 26 products in B2B Data Providers. The Summer 2026 awards in the category went to Lusha (Best Value), Prospeo (Momentum), Exa (Innovation). SaaSTracker profiles 18 products in Sales Engagement. The Summer 2026 awards in the category went to Reply.io (Category Leader), Outplay (Best Value), Breakcold (Momentum). Every profile is compiled from primary sources, so a shortlist can be built from pricing, limitations, and fit rather than from star ratings.
