Overloop AI vs Unify in 2026: bundled prospect database vs prompt-driven AI outbound agents
Both platforms sell "describe your ICP and let AI do the rest," but they built it on very different databases and pricing logic: 450M contacts at a flat per-user rate versus 1.1B contacts behind a credit system with an actual free tier.
Overloop AI
Unify- Unify has a genuine free tier (3 seats, 100 credits/seat); Overloop AI has no free tier and starts at $69 per user per month.
- Unify's database covers 1.1B+ people and 65M+ companies; Overloop AI's database covers 450M+ prospects, less than half the size.
- Unify tracks 40+ signal sources for intent data (job changes, funding, hiring); Overloop AI's database search filters by job title, company, and industry without a named signal library.
- Overloop AI includes native LinkedIn outreach in its campaign workflow and automated meeting booking on every tier; Unify's LinkedIn and calling channels are more limited, with a dialer still in beta on its Business tier.
- Unify reports 57% more replies from AI-personalized email and 48% average open rates, concrete benchmarks Overloop AI does not publish in comparable form.
- Unify's advanced GPT 5.5 model and read-write CRM sync require its custom-priced Business tier; Overloop AI's CRM integrations are available from its published $99/month Growth tier.
Overloop AI combines a 450M-plus prospect database with AI-generated email campaigns and multi-channel outreach across email and LinkedIn, priced per user from $69/month with no free tier. Unify is an AI-native outbound platform backed by the OpenAI Startup Fund, where a rep describes a target buyer in plain language and purpose-built AI agents search a 1.1B-person database, enrich results, and draft personalized outreach in the same chat, with a genuine free tier and credit-based pricing from $20 per seat. Both are chasing the same idea, replace manual prospecting with an AI agent, but Unify's database is more than double the size, its pricing is more accessible at entry, and its agent architecture is more explicitly conversational than Overloop AI's campaign-based workflow.
The tools at a glance
Overloop AI
AI-powered sales prospecting that builds your lead list, writes the email, and books the meeting without manual effort.
Overloop AI is built around a campaign workflow: describe your ICP, and the platform searches its 450M-plus database, generates personalized email copy per segment using company and role signals, and runs the resulting sequence across email and LinkedIn from a single dashboard. Automated meeting booking is included at every tier, converting positive replies into scheduled calls without manual follow-up.
The AI personalization draws on company context and job titles rather than static field inserts, and campaign analytics track open, reply, and meeting conversion rates at the segment level. This structure suits a team that wants defined campaigns with clear conversion tracking rather than an open-ended chat interface.
At $69 per user per month with no free tier, Overloop AI asks for real commitment before a team can validate fit, and CRM integrations require the $99 Growth tier. The platform is also newer and less reviewed than more established players, which is worth weighing given the price and the lack of a free trial equivalent to Unify's.
| Feature | Starter $69/user/mo | Growth $99/user/mo | Enterprise Contact sales |
|---|---|---|---|
| Prospect database access | ✓ | ✓ | ✓ |
| LinkedIn outreach | ✓ | ✓ | ✓ |
| Automated meeting booking | ✓ | ✓ | ✓ |
| CRM integrations | ✗ | ✓ | ✓ |
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 prospecting workflow with a single chat: a rep describes their target buyer in plain language and purpose-built AI agents, tuned for tasks like network-based selling and account research, search a database of 1.1 billion people and 65 million companies, refreshed daily, then enrich and return a targeted list.
40+ signal sources feed intent data, job changes, funding events, hiring activity, directly into that same chat, and AI copywriting generates personalized outreach based on those signals rather than generic templates. Unify reports customers see 57% more replies from AI-personalized email and 48% average open rates.
The free tier caps at 3 seats and 100 credits per seat monthly, real enough to test whether prompt-driven prospecting beats a manually filtered search. Base at $20 per seat opens 800 credits, and Pro at $60 adds read-only CRM sync. The real limitation is Business: read-write sync, the more advanced GPT 5.5 model, and website intent signals require a custom annual contract, and the dialer remains in beta even at that top tier.
| 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 |
| HubSpot & Salesforce sync | ✗ | ✗ | Read-only | Read-write |
| Advanced AI models (GPT 5.5) | ✗ | ✗ | ✗ | ✓ |
| Dialer | ✗ | ✗ | ✗ | Beta |
Head-to-head feature comparison
| Feature | Overloop AI | Unify |
|---|---|---|
| Pricing model | Per-user monthly | Per-seat plus credit consumption |
| Free plan | No | Yes, 3 seats, 100 credits/seat |
| Entry paid price | $69/user/mo | $20/seat/mo |
| Database size | 450M+ prospects | 1.1B+ people, 65M+ companies |
| Named intent signal library | Not a named signal library | Yes, 40+ signal sources |
| LinkedIn outreach | Yes, native to campaigns | Yes, more limited than email |
| Automated meeting booking | Yes, on every tier | Not a documented native feature |
| CRM sync | From Growth tier | Read-only Pro, read-write Business |
| Reported performance benchmarks | Not published in comparable form | 57% more replies, 48% open rates |
| Advanced AI model access | Not documented as a distinct tier | GPT 5.5 on Business tier |
Both bet on AI to handle outbound, worth pairing with visibility into how AI describes you back
Overloop AI's campaign workflow and Unify's prompt-driven agents both assume AI-personalized outreach converts better, and Unify's own reported 57% reply lift backs that up. The same AI shift is reshaping how prospects evaluate a vendor before ever replying: a growing share research a company through ChatGPT, Gemini, or Google AI Overviews first. AI Peekaboo tracks what those engines say about a brand across ChatGPT, Gemini, Perplexity, and Google AI Overviews with a read and write API from $50/month, a sensible pairing for a GTM team that has already gone all-in on AI-driven prospecting and wants the same visibility on the inbound research side of the funnel.
Read the AI Peekaboo review →Which should you choose?
Overloop AIUnifyUnifyOverloop AIUnifyUnifyUnify has the structural advantages on paper, a bigger database, a real free tier, published intent signals, and reported performance numbers Overloop AI does not match in comparable form. Overloop AI's counter is a more defined, campaign-oriented workflow with meeting booking and LinkedIn included from the first paid tier, which some teams will find easier to operationalize than an open-ended chat interface. If cost and evaluation risk matter most, Unify is the lower-risk starting point; if a structured, campaign-based rollout matters more than raw database size, Overloop AI's workflow may fit a sales team's existing process better.
Bottom line
Start with Unify if you want to validate AI-native prospecting against your current process without spending anything, given its free tier and larger, signal-rich database. Choose Overloop AI if your team prefers a defined campaign structure with LinkedIn and meeting booking bundled in from day one, and is willing to skip the free-tier evaluation step for a more complete first-tier feature set. Either way, run a real pilot against your own target list before committing to an annual plan, since both companies are relatively young in this category and reported performance benchmarks vary by industry and list quality.
Frequently asked questions
Which platform has the bigger prospect database, Overloop AI or Unify?
Unify's database covers over 1.1 billion people and 65 million companies, more than double Overloop AI's 450 million-plus prospect count. A bigger database does not automatically mean better data quality for your specific niche, so it is worth testing both against your actual target list before deciding.
Can I try Unify for free before committing, unlike Overloop AI?
Yes, Unify offers a free tier supporting up to 3 seats and 100 credits per seat monthly, enough to run a real test campaign and compare reply rates before paying anything. Overloop AI has no free tier, its lowest published price is $69 per user per month for Starter.
Does Overloop AI track buyer intent signals the way Unify does?
Overloop AI's database search filters by job title, company, industry, and location but does not document a named intent signal library covering events like funding rounds or executive hires. Unify tracks 40+ signal sources specifically for this purpose, feeding job change, hiring, and funding signals directly into its chat interface.
Which tool includes automated meeting booking, and at what tier?
Overloop AI includes automated meeting booking on every plan starting at its $69 per user Starter tier. Unify does not document a comparable native scheduling feature, and its dialer functionality remains in beta even on the top Business tier, so teams wanting integrated scheduling may find Overloop AI's feature more immediately useful.
Is Unify's credit system more or less predictable than Overloop AI's per-user pricing?
Overloop AI's flat per-user pricing is easier to forecast since cost scales directly with headcount rather than usage. Unify's credit-based model can vary month to month depending on how many enrichments, searches, and AI-written emails a team generates, which requires more active monitoring but can be cheaper for lighter or more efficient usage.
Does Unify support LinkedIn outreach as well as Overloop AI does?
Unify supports multi-channel sequencing including LinkedIn, but its documentation presents LinkedIn and phone as more limited channels compared to email, with the dialer specifically noted as still in beta on the Business tier. Overloop AI treats LinkedIn as a fully native channel alongside email across all its plans, which may make it the more mature option for teams prioritizing LinkedIn as a primary outreach channel.