Coldlytics vs ContactOut: Which One Actually Fits Your Workflow?
These two tools are barely in the same category. Coldlytics is a done-for-you research service - you submit targeting criteria, humans build your list, and you get verified contacts in roughly 24 hours. ContactOut is a Chrome extension that pulls emails and phone numbers from professional profiles in real time. So the real question isn't "which is better" - it's how you actually prospect day to day.
B2B contact data decays roughly 2.1% per month, which means nearly a quarter of your database goes stale every year. Every stale contact is a wasted sequence slot. The delivery model you pick determines how fresh your data is when it hits your sequencer.
30-Second Verdict
Pick Coldlytics if you're an agency or freelancer running hyper-targeted campaigns and you'd rather pay for guaranteed-clean lists than build them yourself.
Pick ContactOut if you're an individual SDR or recruiter who needs to grab emails while browsing profiles - and you can live with 300-600 exports per month.
What Each Tool Actually Does
Coldlytics is for people who hate list building. You define your ICP - location, revenue, headcount, tech stack - and their team of human researchers builds a bespoke list. Delivery lands in a shared Google Sheet within about 24 hours. Every email runs through ZeroBounce verification, backed by a Bounce-Free Guarantee. It's not a database you search. It's a service you order from.

ContactOut is for people who need emails right now, one at a time. The Chrome extension surfaces emails and phone numbers as you browse professional profiles. Their 700M+ profile database handles quick lookups well, but you're capped on exports and the data comes from a static database - not freshly researched per request.

Coldlytics caps you at delivery windows. ContactOut caps you at 300-600 exports/month. Prospeo has no export caps, no 24-hour wait, and no per-seat restrictions - just 300M+ profiles with 98% email accuracy at $0.01/email. Data refreshes every 7 days, not whenever a human researcher gets to your request.
Stop choosing between slow and limited. Get accurate data at scale.
Pricing Breakdown
| ContactOut | Coldlytics | |
|---|---|---|
| Free tier | $0 - 5 emails/day, 5 phones/day, 5 exports/day | $0 - 25 leads/month free forever (plus 100 Voyager DB exports/month) |
| Entry paid | $49/mo billed annually - 300 exports/month | $49/mo (Lite) |
| Mid tier | $99/mo billed annually - 600 exports/month | $299/mo (Basic) |
| Top tier | Custom (Team/API) | $599/mo (Pro) |
| Model | Self-serve extension | Done-for-you research |
| Delivery | Instant | ~24 hours |

Here's the thing about ContactOut: the binding constraint isn't lookups - it's exports. You can browse all you want, but you only pull 300-600 contacts out per month. That works out to roughly $0.16 per exported contact on the Email plan. Hit the cap on the 15th, and you wait. We've seen teams blow through that ceiling faster than expected, especially during campaign ramps.
ContactOut's self-serve Email and Email+Phone plans are also limited to 1 user per company. Need multiple seats? You're in Team/API territory with custom pricing.
Coldlytics costs more per month, but you're paying for human research and guaranteed deliverability. The Pro plan at $599/mo makes sense for agencies running multiple client campaigns simultaneously. For solo operators, the $49/mo Lite tier is a reasonable starting point, though the jump to $299 is steep once you outgrow it.
Let's be honest: if your average deal size is under $5k, neither tool's unit economics work at scale. You need self-serve data at $0.01/email, not $0.16.
Data Quality and Reviews
Coldlytics carries a 5.0/5 on G2 across 37 reviews and a 5.0/5 on Capterra across 21 reviews. Customer Service scores a perfect 5.0, Value for Money sits at 4.9. The consistent theme: lead quality is high, support is responsive, delivery is fast. The ZeroBounce partnership and Bounce-Free Guarantee give it a real edge on deliverability confidence.

ContactOut sits at 4.4/5 on G2 with 109 reviews and 4.5/5 on Capterra with 11 reviews. Users praise ease of use and time savings for sourcing. The complaints cluster around limited credits, outdated contact details, and a Chrome extension that occasionally loads slowly. Customer Service scores a 3.8 on Capterra - noticeably lower than Coldlytics.
A published test of 100 prospects showed 90 valid emails from ContactOut. That sounds decent until you realize you're re-verifying 10% of your list yourself, versus Coldlytics crediting you automatically for any bounce. In some segments, the manual verification burden runs closer to 15-25%, which adds up fast when you're sequencing hundreds of contacts per week.
Who Should Pick What
Agency running niche outbound campaigns: Coldlytics. The done-for-you model saves hours, and the bounce guarantee protects your clients' domain reputation. We've talked to agency owners on r/coldemail who swear by the hands-off approach - the tradeoff is you can't pivot a list mid-build the way you can with a self-serve tool.

Solo SDR or recruiter browsing profiles daily: ContactOut works if your volume stays under 300 exports/month. Once you're past that, the math breaks. Some teams pair a sourcing tool with a dedicated email finder - if that's your setup, ContactOut fills the browsing slot while Coldlytics replaces both.

Both tools force a tradeoff: pay $0.16/contact for self-serve with stale data, or $299+/mo for done-for-you lists you can't edit mid-build. Prospeo gives you 30+ search filters, real-time verification, and 75 free emails/month - no credit card, no contracts, no export ceilings.
Self-serve prospecting that's 16x cheaper than ContactOut per email.
FAQ
Is ContactOut's "unlimited" plan really unlimited?
No. "Unlimited" lookups are still constrained by fair-use limits - commonly around 2,000 email lookups/month and 1,000 phone lookups/month. The hard limit that matters most is exports: 300-600 per month depending on your plan.
Does Coldlytics guarantee data accuracy?
Yes. Coldlytics partners with ZeroBounce for email verification and offers a Bounce-Free Guarantee - if any contact bounces, they credit your account. It's one of the few providers that puts money behind their accuracy claims.
What's the cheapest way to get verified B2B emails?
Prospeo's free tier includes 75 verified emails per month at no cost. Paid plans start at $39/mo, working out to roughly $0.01 per email - about 16x cheaper per contact than ContactOut's Email plan at ~$0.16 per export. Coldlytics' free tier offers 25 leads/month but scales steeply to $299+/mo for meaningful volume.
