One of These Tools Is Being Shut Down
Finder.io is done. 500apps announced a 90-day wind-down of its entire product suite, and Finder.io is part of that shutdown. So if you're comparing Adapt.io vs Finder.io right now, one of them won't exist in a few months.
That changes the conversation entirely.
30-Second Verdict
What Is Adapt.io?

Use this if you need a self-serve B2B database with decent filtering and you're doing low-to-moderate volume prospecting. Adapt.io covers 150M+ contacts across 30M companies, and its Technology Sector feature includes 3,000+ specialized tech sectors.
Pricing is straightforward. Free gets you $0/month with 25 contacts/day, plus 25 email credits and 25 enrichment credits. Starter runs $49/mo for 500 email credits, 500 enrichment credits, and 50 contacts/day. Basic is $99/mo with 1,000 email credits, 1,000 enrichment credits, 100 phone credits, and 100 contacts/day. Custom plans unlock API access and team features. It carries a solid 4.6/5 on G2 from 2,789 reviews.

Skip this if you're running high-volume outbound. Daily contact caps are the fastest way to kill outbound momentum - and they're the #1 frustration in Adapt.io's reviews, with 34 separate mentions of "limited credits." Another 14 reviews flag incorrect email addresses. Average implementation time runs 4 months, with a 16-month ROI timeline. That's slow for what's essentially a contact database.
What Is Finder.io?
Finder.io was a budget email finder from 500apps, offering a 430M+ email database with bulk verification, domain search, and a Chrome extension - starting at $9.99/mo flat or $14.99/user/month for the full 500apps bundle. One genuinely useful feature: it showed you the sources from which an email was verified, giving you transparency most finders don't bother with.
Here's the problem. 500apps has announced a complete wind-down, pushing users toward a new AI platform called 500agents. The products "remain live and supported" during the 90-day transition, and you can request data exports via support - but there's no long-term roadmap. Building workflows on a sunsetting platform is a bad idea, full stop.
The review data tells you everything about adoption. Finder.io has a 4.6/5 on G2 from just 10 reviews, and a 5.0/5 on Capterra from 2 reviews. A 5.0 from 2 reviews tells you nothing. A 4.6 from 2,789 reviews tells you something real.

One tool is sunsetting. The other caps you at 100 contacts a day. Prospeo gives you 300M+ profiles with 98% email accuracy, a 7-day data refresh cycle, and zero daily limits - starting at $0.01 per email.
Stop choosing between dead tools and capped ones.
Head-to-Head Comparison
| Feature | Adapt.io | Finder.io |
|---|---|---|
| Database | 150M+ contacts, 30M companies | 430M+ emails (claimed) |
| Starting price | $49/mo | $9.99/mo |
| Free tier | Yes (25 contacts/day) | Free trial (14 days) |
| G2 rating | 4.6/5 (2,789 reviews) | 4.6/5 (10 reviews) |
| Verification | Included | Included (bulk) |
| API access | Yes (Custom plan) | Unclear |
| Daily cap | 25-100 contacts/day | Not documented |
| CRM integrations | Salesforce, Microsoft Outlook | HubSpot, Pipedrive, 15 integrations |
| Chrome extension | Yes | Yes |
| Status | Active | Sunsetting |

The status row is the only one that matters. Every other comparison is academic when one tool has a 90-day countdown clock.
The Verdict
Adapt.io wins, but let's be honest about what that means. It wins because the other option is disappearing. Finder.io's $9.99 price tag was attractive, but you can't build a prospecting workflow on a platform that's winding down.
If you're building a modern outbound motion, it helps to pair your data source with proven sales prospecting techniques and a clean lead generation workflow.

Adapt.io is a solid mid-tier tool for teams doing 50-100 lookups a day. Beyond that, you'll hit credit walls fast. Here's our take after watching dozens of teams try to scale on capped platforms: if your outbound volume exceeds 100 contacts a day - and in 2026, most serious SDR teams blow past that before lunch - Adapt.io isn't built for you either. You need something without a ceiling.
Worth Considering: Prospeo

We've tested a lot of email finders, and Prospeo stands out for one reason: 98% email accuracy backed by a 7-day data refresh cycle, while the industry average sits at six weeks. Its 300M+ professional profiles and 143M+ verified emails dwarf both tools in this comparison, and there are no daily contact caps to throttle your pipeline.
Pricing runs about $0.01 per email with no annual contracts. The free tier gives you 75 emails plus 100 Chrome extension credits per month to test before committing, and paid plans scale from ~$39/mo. For teams migrating off Finder.io or outgrowing Adapt.io's limits, it's the clearest upgrade path. Real talk: one customer, Snyk, dropped their bounce rate from 35-40% to under 5% and saw AE-sourced pipeline jump 180% after switching - that's the kind of accuracy gap that actually moves revenue.


Finder.io users need a new home. Adapt.io users need more volume. Prospeo replaces both: 143M+ verified emails, no contracts, and 75 free emails per month to prove the accuracy before you commit. Snyk cut their bounce rate from 35% to under 5%.
Migrate in minutes - 75 free emails, no credit card required.
FAQ
Is Finder.io shutting down?
Yes. 500apps announced a 90-day wind-down of its entire suite, including Finder.io. You can request data exports during the transition period, but don't start new workflows on it - there's no long-term roadmap.
Is Adapt.io worth the price?
At $49/mo for 500 credits and a 50-contact daily cap, it works for low-volume prospecting. High-volume teams will hit limits fast - "limited credits" is the single most common complaint across its 2,789 G2 reviews.
What's the best Finder.io alternative in 2026?
Prospeo is the strongest replacement for former Finder.io users. It offers 98% email accuracy, 75 free emails per month, and no daily caps at roughly $0.01 per email. Adapt.io works too, but its daily contact limits make it a better fit for teams running under 100 lookups a day.