Cerebria Tech Review

Cerebria Tech marketed itself as a B2B contact database with unlimited searches, exports, and enrichments for a flat fee, positioned against credit-metered competitors like Apollo and ZoomInfo. That pitch is worth evaluating on its own merits, but there's a bigger issue this review has to lead with: as of this writing, the product is difficult to reach through any of its listed channels, and the paper trail points to a company that changed names and left customers stranded.

Verdict at a glance

What is Cerebria Tech?

Marketed as a B2B sales intelligence platform, Cerebria Tech's pitch centered on unmetered usage: unlimited searches, unlimited exports, and unlimited enrichments against a claimed database of more than 400 million contacts, plus a Chrome extension for pulling contact details directly from LinkedIn profiles and an API for programmatic access. The company was based in Bratislava, Slovakia, and also operated under the name Hello Dexter, according to Crunchbase and LinkedIn listings.

That second name matters. Multiple current AppSumo reviewers report that the company rebranded to Hello Dexter and then stopped operating the product they'd paid for under a lifetime deal.

What we could — and couldn't — verify

This is the section that matters most for this listing. Here's what direct research turned up:

• cerebria.tech, the domain in our source data, does not load the product. It redirects through what appears to be an ad-tracking or affiliate-network chain to an unrelated third-party domain — a pattern typically seen when a domain has lapsed and been picked up by a parking or ad-tech service.
• hellodexter.com, the domain tied to the company's other name, is now live but describes a completely different business: a systems-automation and software-partnership studio (built on tools like n8n), with no reference to lead generation, contact data, or Cerebria Tech anywhere on the site.
• The AppSumo lifetime-deal listing for Cerebria Tech is marked sold out / unavailable. While it was active, it offered tiered lifetime access (roughly 500, 1,000, or 2,000 monthly credits with a smaller allotment of "super credits" and unlimited exports at each tier), stackable up to seven codes, with a 60-day money-back window — but no current dollar pricing is displayed to confirm what those tiers cost.
• AppSumo reviews (2.6 out of 5 stars, 5 reviews total — a small sample, so weight it accordingly) include two 1-star reviews describing exactly the pattern above: the company rebranding and becoming unreachable, with lifetime buyers losing access and getting no refund once the standard window had closed. A 3-star review separately flagged that the Chrome extension slowed the browser and that the contact database was noticeably smaller than competitors' despite the platform still being labeled beta. On the positive side, one reviewer called support "very responsive to my support requests," and a 5-star review praised the interface and AI email drafting.

We could not verify current subscription pricing, current database size, current uptime, or whether the product is still supported in any form. Anything from the original vendor copy describing a $299 starting price or truly unlimited usage should be treated as historical marketing, not current fact.

Pros and cons

Pros (as originally marketed)

• Flat-fee, uncapped usage model was a genuine differentiator against per-credit databases
• LinkedIn one-click lookup and a Chrome extension for in-context prospecting
• At least one AppSumo reviewer found support responsive during the product's active period

Cons

• The vendor's primary domain no longer serves the product
• A domain associated with the company's other name now hosts an unrelated business
• Multiple reviewers report losing paid lifetime access without recourse
• Small, mixed-to-negative review base (2.6/5 across 5 reviews) even before the apparent shutdown
• Contact database reported as smaller than established competitors

Alternatives

If you're evaluating flat-fee or high-volume B2B contact data today, these have active products and larger, more established review bases:

• Apollo — the most common comparison point; large contact database plus built-in sequencing, on a credit-based plan structure.
• Clay — enrichment and workflow automation across dozens of data providers rather than a single proprietary database.
• Cognism — enterprise-oriented data provider with strong phone-verified data and GDPR/CCPA compliance focus.
• Lusha — contact and company data with a Chrome extension similar to what Cerebria Tech advertised.
• Lead411 — flat-fee positioning aimed at SMB outbound, closer to Cerebria Tech's original pitch.
• ZoomInfo — the incumbent enterprise database, priced and positioned well above the SMB tier Cerebria Tech targeted.

Who should use Cerebria Tech — and who shouldn't

Good fit: based on current evidence, nobody should purchase Cerebria Tech today. There's no confirmed working signup path, and the strongest available signal — buyers who already paid — describe losing access.

Poor fit / proceed with caution: anyone who already holds a Cerebria Tech AppSumo code and hasn't redeemed it should verify access before relying on it for active campaigns, and anyone comparing lead-data vendors should treat this listing as a cautionary data point rather than an active option, at least until the vendor demonstrates a working, reachable product.