Software Alternatives, Accelerators & Startups

Lusha VS CalcStack

Compare Lusha VS CalcStack and see what are their differences

Lusha logo Lusha

Search less. Sell more.

CalcStack logo CalcStack

Turning website visitors into instant qualified leads
  • Lusha Landing page
    Landing page //
    2023-06-14

Lusha is a continuously updating database that provides B2B Salespeople with targeted, accurate, and timely business information. Lusha aggregates its data from multiple sources, cross-checking and updating LIVE to ensure up-to-the-minute data accuracy and database cleanliness.

Not present

CalcStack is a lead generation platform that replaces static contact forms with interactive tools visitors actually want to use. Instead of asking for an email upfront, CalcStack gives visitors something valuable first: a personalised calculation, a diagnostic score, an AI-generated output, or a data-driven recommendation. It then captures their details in exchange for the full report.

The platform offers a number of different interactive content: calculators that crunch real numbers against industry benchmarks, scorecards that assess readiness and health across weighted criteria, decision engines that compare two options with data-driven recommendations, benchmarks that show visitors how their metrics stack up against their industry, graders that evaluate content and provide specific improvements, quizzes that match visitors to personalised recommendations, and AI generators that create business names, cold emails, taglines, and more on demand.

Hundreds of pre-built tools span multiple industries including marketing, sales, finance, SaaS, HR, real estate, ecommerce, energy, events, automotive, insurance, education, home services, and cleaning. Every tool is config-driven, powered by a single calculation engine, so businesses can also build custom tools using drag-and-drop builders.

Embedding takes one line of code and works on WordPress, Webflow, Wix, Shopify, Squarespace, Framer, and HubSpot CMS. The embed funnel uses a blurred-results teaser gate: visitors see partial results, then enter their email to unlock the full analysis and download a branded PDF report.

Captured leads include every input the visitor entered, their results, and their contact details, giving sales teams rich context before the first conversation. Leads route to HubSpot, Salesforce, Mailchimp, Slack, Zapier, or Google Sheets

Lusha

Website
lusha.com
Pricing URL
-
$ Details
-
Release Date
2016 January
Startup details
Country
United States
State
New York
City
New York
Founder(s)
Adi Weisz
Employees
100 - 249

CalcStack

$ Details
freemium
Release Date
2026 March

Lusha features and specs

  • Accuracy
    Lusha provides highly accurate contact and company information, which can be vital for sales and marketing teams.
  • Ease of Use
    The platform is user-friendly, and the browser extension makes it very convenient to access contact details directly from LinkedIn or other websites.
  • Data Enrichment
    Lusha can enrich existing databases with additional information, making it easier to build comprehensive profiles of leads and contacts.
  • GDPR Compliance
    Lusha is compliant with GDPR, which provides peace of mind for businesses operating in or dealing with customers in the EU.
  • Integrations
    Lusha integrates seamlessly with various CRM systems, making it easier to manage and utilize the data within existing workflows.

Possible disadvantages of Lusha

  • Cost
    Lusha can be expensive, especially for small businesses or startups with limited budgets.
  • Data Privacy
    Despite GDPR compliance, some users may still have concerns regarding data privacy and the ethical implications of scraping contact information.
  • Limited Database
    The database might not be as extensive as some competitors, potentially limiting the scope of accessible contact information.
  • Credit System
    Lusha operates on a credit system for accessing information, which can be restrictive and may require additional purchases for extensive use.
  • Occasional Inaccuracies
    Despite generally high accuracy, some users may encounter occasional outdated or incorrect information, especially in rapidly changing industries.

CalcStack features and specs

  • User-Friendly Interface
    CalcStack has a clean and intuitive interface that makes it easy for users to access and utilize its various features efficiently.
  • Versatile Functionality
    It supports a wide range of calculations and data manipulations, making it useful for different types of users and various computation needs.
  • Cloud Accessibility
    Being a cloud-based tool, CalcStack can be accessed from any device with internet connectivity, providing flexibility and ease of access from multiple locations.
  • Collaboration Features
    The platform includes features that allow for collaboration among users, which can enhance productivity and facilitate team projects.

Analysis of Lusha

Overall verdict

  • Lusha is generally considered a good tool for sales and marketing professionals looking to enrich their contact databases and access B2B contact information.

Why this product is good

  • Lusha provides accurate business contact information, such as email addresses and phone numbers, which can help sales teams reach key decision-makers more efficiently. It is known for its ease of use, integration with popular platforms like LinkedIn and Salesforce, and its ability to enhance CRM systems with valuable data.

Recommended for

  • Sales professionals seeking to generate leads
  • Marketing teams aiming to target specific industries or company sizes
  • Recruiters looking for potential candidates and their contact details
  • Businesses aiming to enrich their CRM with verified contact information

Lusha videos

How to use Lusha

More videos:

  • Review - Lusha
  • Review - ๐˜‰๐˜ถ๐˜ง๐˜ง๐˜ฆ๐˜ฅ ๐˜™๐˜ช๐˜ด๐˜ฌ๐˜บ ๐˜‹๐˜ข๐˜ด๐˜ฉ - NEW LUSHA! Light Warbear 2A in RTA! - [Monster Review] - Summoners War

CalcStack videos

No CalcStack videos yet. You could help us improve this page by suggesting one.

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Category Popularity

0-100% (relative to Lusha and CalcStack)
Lead Generation
98 98%
2% 2
Sales Tools
100 100%
0% 0
B2B SaaS
0 0%
100% 100
Sales
100 100%
0% 0

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Lusha and CalcStack

Lusha Reviews

Best AI Prospecting Tools for B2B Sales in 2026
What is the difference between a prospecting tool and a sales engagement tool? Prospecting tools find and verify contact information. Sales engagement tools run outreach sequences and manage replies. Some platforms, including toflow.ai, Apollo.io, and lemlist, cover both in a single product. Others, like Lusha, focus on data only and are designed to pair with a separate...
Source: toflow.ai
ZoomInfo vs Lusha vs Apollo vs MillionPhones: 2026 Comparison
Lusha made a name with their Chrome extension โ€” hover over a LinkedIn profile and get the phone number. It's simple and it works. Their data quality for US direct dials is solid. The free tier is slim (5 credits/month), and pricing scales quickly once you need volume.
Top 10 Lead Generation and Engagement Tools
Lusha is a lead generation tool focused on providing accurate B2B contact details. It enriches leads with verified email addresses, phone numbers, and company information, helping businesses quickly reach key decision-makers.
Source: rainex.io
21 Best Lead Generation Software for 2024
Lusha is a powerful LinkedIn lead generation software for marketing and sales teams looking to connect with high-quality prospects on the platform.
Source: www.sender.net
11 Apollo.io Alternatives and Competitors 2024
Based on various factors, such as user reviews and feedback, the leading alternatives to Apollo.io are Zoominfo, Kaspr, Lead411, and Lusha.
Source: evaboot.com

CalcStack Reviews

We have no reviews of CalcStack yet.
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Social recommendations and mentions

Based on our record, Lusha seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Lusha mentions (1)

CalcStack mentions (0)

We have not tracked any mentions of CalcStack yet. Tracking of CalcStack recommendations started around Mar 2026.

What are some alternatives?

When comparing Lusha and CalcStack, you can also consider the following products

Apollo.io - Apolloโ€™s predictive prospecting, sales engagement, and actionable analytics help the teams to reach its full revenue potential.

Typeform - Create beautiful, next-generation online forms with Typeform, the form & survey builder that makes asking questions easy & human on any device. Try it FREE!

ZoomInfo - ZoomInfo is a B2B database providing detailed business information on people and companies.

involve.me - involve.me is a lead funnel builder used by companies to boost online conversions. Interactive flows within the funnels help guide, qualify and capture leads.

Hunter.io - Find all the email addresses related to a domain

Outgrow - Enabling marketers boost conversion with interactive, beautiful & viral quizzes/calculators.