Adapt.io vs Vainu: Which Fits Your Sales Workflow in 2026?
These aren't true competitors. Comparing Adapt.io and Vainu is like comparing a fishing rod to a sonar system - they solve adjacent but fundamentally different problems. Adapt.io is a contact prospecting database. Vainu is a company intelligence platform with CRM enrichment and trigger alerts.
Let's break down pricing, data quality, and ideal use cases so you can pick the right tool - or skip both entirely.
Quick Verdict
- Choose Adapt.io for a budget-friendly global contact database, especially in tech sectors. Credit-based pricing means you're not locked into per-seat costs.
- Choose Vainu if you're selling into the Nordics and need company-level triggers - funding, hiring, leadership changes - piped into your CRM.
Side-by-Side Comparison
| Adapt.io | Vainu | |
|---|---|---|
| Starting price | $0/mo (free tier) | €3,500/yr + €200 setup |
| Mid-tier | $99/mo (100 contacts/day) | €9,900/yr (Nordic Business) |
| Top tier | Custom (no daily cap) | €12,000/yr (Global) |
| Data focus | Contacts + enrichment | Company intel + triggers |
| Geographic strength | Global | Nordics / Europe |
| Database size | 250M+ contacts | 108M+ companies, 8M+ Nordic contacts |
| G2 rating | 4.6/5 (2,789 reviews) | 4.6/5 (203 reviews) |
| Integrations | Salesforce, HubSpot, Pipedrive, Zoho, Outreach, Salesgear | Salesforce, HubSpot, Dynamics 365, Pipedrive, Slack, Zapier |
| Best for | Budget outbound | Nordic CRM enrichment |
What Each Tool Actually Does
Adapt.io is contact-first. You search by filters, pull emails and phone numbers, and export to your CRM or sequencer. The 3,000+ tech sector classifications are a genuine differentiator for teams selling into SaaS sales or IT. It also tracks high-growth company signals like hiring velocity and employee expansion.
Vainu is company-first. It monitors 108M+ company profiles for trigger events and pushes that context into your CRM. Its contact data is strongest in Finland and Sweden, where decision-maker records are human-verified under GDPR-compliant processes. Outside the Nordics, contact depth drops off fast.
Reddit threads comparing these two platforms are virtually nonexistent - which tells you how niche this matchup is.
Adapt.io in Brief
Pros:
- Credit-based pricing that doesn't charge per seat, so adding reps doesn't multiply costs
- Chrome extension reviewers consistently praise for ease of use
- 250M+ contacts globally with 5M+ refreshed daily
- Free tier with 25 contacts/day; 7-day free trial, no credit card required
- Starter tier: 500 email credits + 500 enrichment credits/month
Cons:
- Daily contact caps are aggressive - 25 to 100/day depending on plan
- Average implementation takes 4 months with 16-month ROI according to review data, while most self-serve prospecting tools are live in days
- Email accuracy gets mixed reviews; users report incorrect addresses
- API access locked behind the Custom tier
Here's something nobody else flags: Adapt's own site claims 250M+ contacts, but their G2 profile lists 150M+. That's a meaningful discrepancy worth asking about before you commit.
Adapt.io doesn't publish an email accuracy rate. Vainu's contact depth drops off outside the Nordics. Prospeo delivers 98% verified email accuracy across 300M+ global profiles - refreshed every 7 days, not monthly. No daily caps, no geographic blind spots.
Get global contact data that actually connects - starting at $0.01/email.
Vainu in Brief
Use this if you're running sales or ABM into Finland, Sweden, Denmark, or Norway and need company-level triggers in your CRM. The 50+ workflow trigger types are genuinely useful for timing outreach. 199 of 203 reviews on G2 come from European users - this tool lives and breathes the Nordics.
Skip this if you need global contact coverage. Decision-maker data is human-verified for Finland and Sweden, but outside those markets, contact depth thins out considerably. The top complaint in reviews is exactly this: lack of detailed contact info beyond FI/SE. CRM deployments typically take 1-3 months depending on connector setup and field mapping.
Pricing Breakdown
Adapt is dramatically cheaper at entry level. A solo SDR starts on Adapt's Starter plan at $49/mo with 50 contacts/day. Vainu's minimum commitment is €3,500/yr plus a one-time onboarding fee - a completely different budget conversation. The CRM enrichment tier starts at €4,200/yr with a €750 onboarding fee.
If you've seen the $7,250/yr figure for Vainu floating around, that's from a 2021 Close.com list and is outdated. Current prospecting starts at €3,500/yr.
Hot take: If your average deal size sits below €5,000, Vainu's minimum spend doesn't pencil out. Adapt or a verified-data tool will get you further per euro.
Data Quality
Adapt gives you more names but higher bounce risk - there's no published email accuracy rate, and reviewers flag incorrect emails regularly. Vainu gives you better company context but fewer phone numbers and direct dials for outbound, and its contact depth outside the Nordics is thin.
Neither publishes a verified accuracy rate. In our experience, that's usually a sign the number isn't flattering.
When to Choose Which
Adapt.io - Low-cost global contacts, tech sector prospecting, credit-based pricing without per-seat costs.
Vainu - Nordic/European company intelligence, CRM enrichment with trigger-based outreach, human-verified Finnish and Swedish decision-maker data.
Neither - You need verified emails and mobiles globally without daily caps or bounced emails tanking your domain reputation. Prospeo covers 300M+ profiles with 143M+ verified emails and 125M+ verified mobiles on a 7-day refresh cycle. Paid plans run roughly $0.01 per email with no annual contracts. Native integrations with Salesforce, HubSpot, Lemlist, Instantly, Clay, Zapier, and Make.
If you're evaluating broader options beyond these two, start with a shortlist of sales prospecting databases and data enrichment services to compare coverage, refresh rates, and verification.
Bounced emails from unverified databases don't just waste credits - they torch your sender reputation. Prospeo's 5-step verification with catch-all handling and spam-trap removal keeps bounce rates under 4%, like it did for Snyk's 50-person sales team.
Stop choosing between cheap contacts and accurate ones.
FAQ
Can you use Adapt.io and Vainu together?
Yes, and it's a legitimate stack. Use Vainu for company-level triggers - funding rounds, leadership changes, expansion signals - then pull contact details from Adapt for the people you want to reach. Budget barrier: $49-99/mo for Adapt plus €3,500+/yr for Vainu, so this combo only makes sense for teams with real pipeline volume in the Nordics.
Which tool is better for Nordic prospecting?
Vainu, and it's not close. Human-verified decision-maker data for Finland and Sweden, 8M+ Nordic contacts, and 5M+ Nordic company profiles make it the default for teams selling into Scandinavia.
Which is cheaper for a small team?
Adapt's free tier costs nothing, and Starter runs $49/mo. Vainu starts at €3,500/yr plus a €200 onboarding fee - roughly 6x the annual cost of Adapt's Starter plan. For teams that want verified global data without Vainu-level spend, Prospeo's free tier includes 75 email credits per month with full verification - enough to run real outbound without paying a cent.