Apollo.io vs Unify in 2026: Filter-based prospecting vs prompt-driven AI agents
Apollo.io wants you to build searches across 65+ filters in its own 275M-contact database. Unify wants you to describe your ideal prospect in plain language and let AI agents handle the search, enrichment, and email draft in one chat.
Apollo.io
Unify- Unify's database covers 1.1B+ people and 65M+ companies with daily refreshes, larger than Apollo.io's 275M+ contacts, though Apollo.io's data is queried through direct filters rather than natural-language prompts.
- Unify's Base plan starts at $20 per seat per month, less than half of Apollo.io's $49/seat Basic plan, and Unify's Free tier supports up to 3 seats at no cost.
- Apollo.io includes a built-in US dialer on every paid plan; Unify's dialer is listed only on the custom-priced Business tier and is still marked as beta.
- Unify's HubSpot and Salesforce sync is read-only on its Pro plan and only becomes read-write on the custom-priced Business tier; Apollo.io includes full CRM integrations starting at its $49/seat Basic plan.
- Unify reports 57% more replies from AI-personalized emails and 48% average open rates, figures generated from its prompt-driven copywriting layer that reads intent signals per contact rather than static fields.
- Unify's advanced AI models and website intent signals are locked behind its custom-priced Business plan, creating a meaningful capability gap between Pro at $60/seat and the top tier.
Apollo.io and Unify both give you access to a massive B2B contact base, but the way you interact with that data could not be more different. Apollo.io is a search-and-filter product: 275M+ contacts, 65+ filters, and a built-in dialer, priced per seat from $49/month with a genuinely usable free tier. Unify, backed by the OpenAI Startup Fund, replaces the filter-building workflow with a chat interface: describe who you want to reach and AI agents search its 1.1B+ person database, enrich the results, and draft the first email, all starting at $20 per seat per month. Apollo.io has the more mature product with a dialer and deeper CRM sync; Unify is betting that prompt-driven prospecting is simply faster once you get used to it, and its lower entry price backs that bet.
The tools at a glance
Apollo.io
Sales intelligence and outreach platform with 275M+ verified contacts, email sequences, dialer, and AI-powered prospecting.
Apollo.io's workflow is built around precision filtering. Job title, seniority, company size, industry, technology stack, location, and buyer intent signals are all searchable directly, and reps who know exactly what they are looking for can build a targeted list quickly without needing to phrase it as a natural-language prompt the way Unify requires.
Phone and CRM depth are where Apollo.io still leads. The built-in US dialer ships on every paid plan with full read-write CRM sync to Salesforce and HubSpot from the $49/seat Basic tier, well ahead of Unify's read-only sync on Pro. Call recordings with AI-generated insights are included on Professional and Organization plans, a channel Unify only offers in beta on its top custom tier.
What Apollo.io does not offer is Unify's prompt-first workflow. Apollo.io's AI Assistant supports natural-language list building, but the broader product experience is still filter-and-search rather than describe-and-let-agents-handle-it, which is the core distinction buyers should weigh.
| Feature | Free $0/mo | Basic $49/seat/mo | Professional $79/seat/mo | Organization $119/seat/mo |
|---|---|---|---|---|
| Credits per seat per year | 900 | 30,000 | 48,000 | 72,000 |
| Contact database | 275M+ | 275M+ | 275M+ | 275M+ |
| Built-in dialer | Credits-based | ✓ | ✓ | ✓ |
| CRM sync (read-write) | ✗ | ✓ | ✓ | ✓ |
| Natural-language list building | 5 chat limit | ✓ | ✓ | ✓ |
| Call recordings + AI insights | ✗ | ✗ | 4,000 mins | 8,000 mins |
Unify
AI outbound agents that prospect, enrich, and sequence from a single chat prompt using a 1.1B-person B2B database.
Unify replaces the multi-tab workflow of opening a database, a separate enrichment tool, and a CRM with a single chat. Reps describe who they want to reach in plain language, and purpose-built AI agents handle network-based selling, local business discovery, and account research, then hand off a targeted, enriched list without the manual filter-building Apollo.io requires.
The database backing this is genuinely large: 1.1B+ people and 65M+ companies with daily partial refreshes, plus 40+ signal sources feeding intent data like job changes, funding events, and hiring activity directly into the chat. AI copywriting on top of that generates messages personalized to specific signals rather than generic templates, which Unify credits with a 57% lift in replies over standard outbound.
The gaps show up mostly around CRM depth and calling. HubSpot and Salesforce sync is read-only on the $60/seat Pro plan and only becomes read-write on the custom Business tier, and Unify's dialer is listed as beta and locked to that same top tier. Teams that need mature phone and CRM infrastructure today will find Apollo.io further along on both.
| Feature | Free $0/mo | Base $20/seat/mo | Pro $60/seat/mo | Business Custom/year |
|---|---|---|---|---|
| Credits included | 100/seat/mo | 800/seat/mo | 2,400/seat/mo | Custom pool |
| B2B database access | 1.1B+ | 1.1B+ | 1.1B+ | 1.1B+ |
| AI email copywriting | ✗ | ✓ | ✓ | ✓ |
| HubSpot & Salesforce sync | ✗ | ✗ | Read-only | Read-write |
| Website intent signals | ✗ | ✗ | ✗ | ✓ |
| Dialer | ✗ | ✗ | ✗ | Beta |
Head-to-head feature comparison
| Feature | Apollo.io | Unify |
|---|---|---|
| Database size | 275M+ contacts, 73M+ companies | 1.1B+ people, 65M+ companies |
| Primary interaction model | Filter-based search | Natural-language chat with AI agents |
| Built-in dialer | Yes, on all paid plans | Beta, Business tier only |
| CRM sync depth | Full read-write from Basic | Read-only on Pro, read-write on Business |
| AI email copywriting | AI Assistant, not full sequences | Yes, from Base plan up |
| Intent signal sources | Folded into search filters | 40+ signal sources |
| Free tier | Yes, 900 credits/year | Yes, up to 3 seats |
| Entry paid price | $49/seat/month | $20/seat/month |
| Slack notifications | Not a listed feature | From Pro plan |
| SSO | From Organization tier | From Business tier |
Which should you choose?
Apollo.ioUnifyApollo.ioUnifyApollo.ioUnifyUnify's lower price and larger database are real advantages, but the CRM sync gap matters more than it looks on a feature list. Read-only sync on Pro means Unify data flows into HubSpot or Salesforce but changes made in the CRM do not flow back until the custom-priced Business tier, which is a meaningful limitation for any team running a shared pipeline. Apollo.io's read-write sync from its $49/seat Basic plan, plus a dialer that is fully built rather than beta, makes it the safer choice for teams that need production-grade infrastructure now rather than a promising early-stage platform.
Bottom line
Choose Apollo.io if you want a mature, filter-based database with a working dialer and full CRM sync from an accessible price point. Choose Unify if you want to try prompt-driven prospecting against a larger database at a lower entry cost, and you can live with read-only CRM sync and a beta dialer until you are ready to commit to Unify's custom-priced Business tier. Run both against your own ICP before committing budget; Unify's free tier and Apollo.io's free tier both make that comparison low-risk.
Frequently asked questions
Which has a bigger database, Apollo.io or Unify?
Unify's stated database is larger at 1.1B+ people and 65M+ companies against Apollo.io's 275M+ contacts and 73M+ companies. The way you access that data differs too: Unify uses natural-language prompts and AI agents, while Apollo.io uses direct search filters.
Does Unify have full CRM sync like Apollo.io?
Not yet at every tier. Unify's HubSpot and Salesforce sync is read-only on its $60/seat Pro plan and only becomes read-write on the custom-priced Business plan, while Apollo.io includes full read-write CRM sync starting at its $49/seat Basic plan.
Can I call prospects directly from Unify the way I can with Apollo.io?
Only in beta and only on Unify's custom-priced Business tier. Apollo.io includes a fully built US dialer on every paid plan starting at $49/seat/month, with AI-generated call insights available from Professional up.
Is Unify cheaper than Apollo.io?
Yes, Unify's Base plan starts at $20 per seat per month against Apollo.io's $49/seat Basic plan, and Unify also offers a free tier for up to 3 seats. The lower price comes with a narrower feature set, particularly around CRM sync depth and calling, compared to Apollo.io's equivalent tiers.
What does prompt-driven prospecting actually mean in Unify?
It means you describe your target prospect in plain language rather than building a search with dropdown filters, and Unify's AI agents handle the database search, enrichment, and initial email draft inside the same chat session. Apollo.io's equivalent AI Assistant supports natural-language list building but the broader workflow still relies on its structured filter system.
Is Unify a good replacement for a full sales engagement platform like Apollo.io?
Not fully, at least not yet. Unify covers prospecting, enrichment, and multi-channel sequencing well, but it lacks the mature dialer, deep CRM read-write sync, and advanced workflow automation that Apollo.io offers today, so it is best positioned as a replacement for the prospecting and enrichment layer rather than the entire sales stack.