Lusha vs Proof
Lusha and Proof solve totally different problems for growth teams. Lusha is a B2B contact database for sales prospecting. Proof is a website personalization tool to boost conversions.
Best for: Sales teams needing a large database of B2B contact information, Recruiters sourcing candidates for open positions
Best for: Startup marketers looking to increase website conversions., Growth teams wanting to personalize user experiences.
Serious questions about data privacy.
We observed extreme user concerns regarding Lusha’s data sourcing and privacy adherence, particularly concerning the alleged sharing of scraped personal contact numbers, which overshadows any intended utility. Overall, we cannot recommend a service facing such severe ethical and contractual complaints from its user base.
Pros
- Offers a generous Free plan to test basic functionality.
- Provides broad API and CRM integration options.
- Can be effective for prospecting when the data is accurate.
Cons
- Major concerns regarding the ethical sourcing and sharing of private contact data.
- Users struggle to opt-out or remove their personal information (GDPR violations alleged).
- Substantial complaints about high inaccuracy and obsolete contact details sold.
- Aggressive auto-renewal policies and opaque contract cancellation terms.
Solid personalization tool, but reviews missing.
We reviewed Proof as a website personalization platform aimed at boosting conversions. It offers clear features and structured pricing for growth-focused teams. Overall, we find it a promising tool for targeted marketing, but the lack of accessible user reviews makes it hard to fully validate its real-world performance and support.
Pros
- Offers a 14-day free trial to test core features.
- Usage-based pricing scales with your monthly visitors.
- Features like A/B testing and analytics are included in higher tiers.
- Provides educational resources and case studies for learning.
Cons
- External user reviews are unavailable or inaccessible.
- No public money-back guarantee is stated.
- Pricing can become costly for high-traffic sites.
- May require a strategic setup, not a plug-and-play solution.
AboutLusha
Lusha powers up your entire Go-To-Market (GTM) engine. It provides access to a massive database of over 280 million verified B2B contacts, helping teams reach precise decision makers. Professionals across Sales, RevOps, Marketing, and Recruiting use Lusha to streamline their work and maximize return. 💡
For sales teams, Lusha helps the pipeline grow with live leads and faster closes. RevOps benefits by keeping data stacks clean, compliant, and connected for better ROI. Marketers power campaigns with enriched audiences, and Recruiters quickly find top talent using highly accurate contact data. This tool truly helps you scale up your business using trusted data.
AboutProof
Proof is a platform focused on website personalization. 🎯
It's designed for marketers and growth teams at startups and fast-growing companies. The idea is to move beyond a one-size-fits-all website. Instead, you can tailor content, offers, and messaging to different visitor segments. This can help you increase conversions and engage your audience more effectively.
Highlights
Feature Comparison
Features Overview
We highlight the main differences and pick a winner for each feature.
Core Function
Lusha finds B2B contacts. Proof personalizes your website for better conversions.
Lusha is a massive database of 280M+ verified B2B contacts. It helps sales teams find phone numbers and emails for prospects. Proof works on your own website traffic. It lets you show different content and messages to different visitor segments. The key difference is Lusha looks outward for new leads. Proof optimizes the experience for visitors already on your site.
Target Audience
Lusha serves sales and recruiting teams. Proof is for marketers and growth teams.
Lusha is built for sales professionals, RevOps teams, and recruiters. Its goal is to provide accurate contact data for outreach. Proof targets marketers at startups and fast-growing companies. It's designed to help them increase website engagement and lead capture. You'd pick Lusha if you need to find people to contact. You'd pick Proof if you need to improve the website they land on.
Data Approach
Lusha uses a huge external contact database. Proof uses your own website traffic data.
Lusha's strength is its database of 280M+ verified contacts. You use AI to build prospect lists from this data. Proof analyzes the visitors coming to your website. It uses this to personalize their experience and show social proof. Lusha helps you find *new* people. Proof helps you better engage the people who already find you.
Conversion Focus
Lusha aims to convert cold contacts into conversations. Proof aims to convert website visitors into leads.
Lusha focuses on the top of the funnel. It provides accurate contact info to start cold outreach sequences. Proof focuses on your website itself. It uses personalization and social proof notifications to boost on-site conversion rates. Lusha's conversion is a phone call or email reply. Proof's conversion is a form fill, download, or purchase on your site.
Pricing Transparency
Proof shows clear tiered pricing. Lusha requires contacting sales for paid plans.
Proof's pricing is public. Plans range from $29/month to $129/month based on your monthly visitors. Lusha has a free plan but hides pricing for its paid 'Scale' plans. You must contact their sales team for a quote. For budget planning, Proof is more transparent upfront. Lusha's cost depends on your team's size and needs.
Trial Availability
Proof offers a 14-day free trial. Lusha offers a free plan instead of a trial.
Proof gives you 14 days free on any plan. This lets you test all features before paying. Lusha doesn't have a trial. Instead, it has a permanent Free plan with 70 credits per month to test basic features. If you want full access to test everything, Proof's trial is better. If you want a long-term free option, Lusha's plan is more flexible.
Educational Resources
Proof offers courses and growth lessons. Lusha focuses on product functionality.
Proof provides a free 6-lesson course on personalization. It also shares case studies from fast-growing startups. Lusha's content focuses on its own features and use cases. It doesn't seem to offer structured learning programs. If you want to learn a growth strategy, Proof has more educational value. Lusha is more about using the tool itself.
Ethical Concerns
Lusha faces major criticism for data sourcing practices. Proof has no similar reports.
Lusha has severe user complaints. Reviews allege it scrapes personal data without consent, violating privacy and GDPR. Proof has no public reports of ethical issues. Its data comes from your own website visitors, not external scraping. This is a critical difference. Lusha's business model raises ethical red flags for many users.
Lusha offers plans starting at Free, with paid plans requiring contact for pricing details.
Details for specific pricing tiers were unavailable due to a technical error on the Lusha website itself, but we can review the featured plans based on the available text.
Free plan
Price: Free Best For: Getting started with B2B prospecting Refund Policy: Not applicable Other Features:
- Up to 70 credits per month
- Access to basic prospecting features
- Browser extension
- CRM integrations
- Up to 70 credits per month
- Basic prospecting features
- Browser extension
- CRM integrations
- Fully customizable
- Ability to limit credit usage per user
- Includes annual credit rollover option
- Designed for teams larger than 5 users
Proof costs between $24 and $108 per month billed annually with at least 5 plans: Basic at $24/mo, Pro at $66/mo, Business at $108/mo, Premium, and Platinum.
Choose the plan that fits your monthly traffic to start growing your conversion rates.
Basic
Price: $29/mo or $24/mo billed annually Best For: Small sites starting with social proof Other Features: Recent Activity notifications, Lead increase tools
- Show social proof notifications
- Recent Activity notifications
- Unlimited domains
- A/B testing
- Conversion analytics
- Live chat support
- Everything in Pro
- Unlimited notifications
- Hot Streaks notification
Pricing Notes
- Lusha's paid pricing is opaque; you must contact sales for a quote.
- Proof's pricing is public and transparent, scaling with your website traffic.
- Lusha's credits roll over on monthly plans; annual plans reset credits yearly.
- Proof offers up to 20% savings on annual billing across all plans.
- Lusha has a permanent free plan. Proof only has a 14-day trial.
Pricing Head-to-Head
User Reviews
User feedback concerning Lusha is overwhelmingly negative, centering on severe data ethics and privacy violations. Many reviewers allege Lusha scrapes and distributes personal contact information—including private mobile numbers—without user consent, leading to a huge volume of unsolicited calls and spam.
Users feel this is a "scammy" or "spam-enabling" practice that violates GDPR. A major complaint is the difficulty in getting personal details removed; many requests for data deletion are reportedly ignored, or the information reappears soon after.
I keep receiving daily unsolicited calls to my personal phone number. When I ask where they got my details, they consistently cite Lusha. This company shows a blatant disregard for privacy.
We found external reviews for Proof to be limited and mixed, with a notable absence of substantive feedback from major review platforms. ⚠️ On Trustpilot, the profile is largely empty, offering no clear user sentiment.
Capterra returned a security error, preventing access to any reviews. Consequently, we lack concrete user feedback on key themes like accuracy, ease of use, or support.
Our Verdict
Let's be clear: Lusha and Proof aren't really competitors. They solve completely different problems for your growth engine. Lusha's superpower is its massive database. It gives you access to 280 million verified B2B contacts. You can find phone numbers and emails to start your outreach. Proof's superpower is website personalization. It helps you tailor content for different visitors. This can turn more of your existing traffic into leads and customers. The deciding factor is your immediate goal. If you need to find *new people* to contact, Lusha is the tool. If you need to better convert the people *already visiting* your site, Proof is the tool. In 2026, the choice is straightforward. Pick Lusha for sales prospecting and data enrichment. Pick Proof for conversion rate optimization and website personalization. They're built for different missions.
Frequently Asked Questions
Which is better for small teams: Lusha or Proof?
It depends on your team's focus. Lusha is better for small sales teams needing contact data. Proof is better for small marketing teams improving website conversions.
Does Lusha have website personalization features like Proof?
No. Lusha is focused on providing B2B contact data for outreach. Proof is dedicated to website personalization and conversion optimization. They are different tools.
Is Proof worth the extra cost over Lusha?
This isn't a fair comparison. Proof starts at $29/month. Lusha has a free plan. You're comparing tools for different jobs: finding contacts vs. improving website performance.
Which tool has better customer support?
Proof offers live chat support on its Pro plan ($79/month). Reviews frequently complain that Lusha's support is unresponsive, even for paying customers.
Can I use both Lusha and Proof together?
Yes, for different parts of your funnel. Use Lusha to find contact information for new prospects. Use Proof on your website to convert more of the visitors you already have.
Which has better data accuracy?
Lusha guarantees 85% phone accuracy and 98% email deliverability. Proof's accuracy relates to its personalization logic, which isn't measured the same way.
Ready to Choose?
Both tools have their strengths. Choose based on your specific needs.