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Lusha VS assertpy

Compare Lusha VS assertpy and see what are their differences

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Lusha logo Lusha

Search less. Sell more.

assertpy logo assertpy

A straightforward assertion library for Python.
  • 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.

  • assertpy Landing page
    Landing page //
    2022-11-06

Lusha

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

assertpy

Website
github.com
Release Date
-
Categories

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    Despite generally high accuracy, some users may encounter occasional outdated or incorrect information, especially in rapidly changing industries.

assertpy features and specs

  • Fluent API
    Assertpy offers a fluent API that makes assertions more readable and expressive, enabling developers to write assertions in a natural language style that is easy to understand.
  • Chainable Assertions
    It allows for chainable assertions, enabling multiple checks to be performed in a single line of code, thereby reducing verbosity and enhancing clarity.
  • Comprehensive Assertion Methods
    The library provides a wide range of built-in assertion methods, catering to various types of data validations, such as checking for size, type, value, and more.
  • Extensibility
    Assertpy supports extending its functionality by defining custom assertions, allowing developers to tailor it to their specific needs.
  • Pythonic
    Designed with Pythonic principles in mind, Assertpy fits seamlessly into Python projects, enabling idiomatic and consistent code style.

Possible disadvantages of assertpy

  • Learning Curve
    Developers new to the library may encounter a learning curve due to the distinct approach of using fluent and chainable assertions as opposed to traditional methods.
  • Limited by Python Version
    The library may have limitations in terms of compatibility with older versions of Python, requiring users to ensure their environment is up-to-date.
  • Performance Overhead
    The additional abstraction layer introduced by a fluent interface might introduce some performance overhead, especially in performance-critical or resource-constrained environments.
  • Less Community Support
    Compared to more established testing libraries, Assertpy might have less community support and fewer resources available for resolving issues or getting help.
  • Dependency Management
    Using a third-party library introduces additional dependencies to manage, which could complicate project maintenance and compatibility.

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

Analysis of assertpy

Overall verdict

  • assertpy is a well-regarded, lightweight assertion library for Python that provides a fluent, chainable API for writing readable and expressive test assertions, making it a solid choice for improving test clarity.

Why this product is good

  • Offers a fluent, chainable assertion syntax that makes tests more readable and self-documenting
  • Comprehensive built-in assertions for strings, numbers, lists, dicts, files, dates, and more
  • Produces clear, descriptive failure messages that speed up debugging
  • Lightweight with minimal dependencies and easy to integrate into existing test suites
  • Framework-agnostic, working seamlessly with pytest, unittest, and other test runners
  • Actively maintained open-source project with good documentation and community support

Recommended for

  • Python developers who want more readable and expressive test assertions
  • Teams using pytest or unittest looking to enhance assertion clarity
  • Projects that value descriptive failure messages for faster debugging
  • Developers coming from fluent assertion libraries in other languages (like AssertJ or Chai)
  • QA engineers and testers writing maintainable, self-documenting test code

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

assertpy videos

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Category Popularity

0-100% (relative to Lusha and assertpy)
Lead Generation
100 100%
0% 0
Testing
0 0%
100% 100
Sales Tools
100 100%
0% 0
Python
0 0%
100% 100

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 assertpy

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

assertpy Reviews

We have no reviews of assertpy 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)

assertpy mentions (0)

We have not tracked any mentions of assertpy yet. Tracking of assertpy recommendations started around Mar 2021.

What are some alternatives?

When comparing Lusha and assertpy, 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.

grappa - grappa is an declarative, verbose, and expressive assertion library for Python.

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

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

Clearbit - Clearbit provides Business Intelligence APIs

UpLead - Access our accurate and real time verified B2B database to drive growth. With built-in email verification, UpLead is the leader in high quality business contact data. Start your free 7-day trial today!