Review of CrowdFlower

Rating: 5/5

In this ever changing economic landscape, there is a need to grow companies in ways we never have before. We cannot keep hiring employees and granting them pensions, the market is too volatile to insure for these kinds of stability related ways we used to grow our companies. Technology steps in where stability falls short and helps us gain the workers we need and organization to grow. There are sites and apps which can help you find temporary and freelance contracted workers, from the very short-term to the long term contracted positions, but what if you only are in need of small tasks?

CrowdFlower is a crowdsourcing company which focuses on data enrichment and data mining. The service platform is their software which allows your company in need of completed data tasks to access an online workforce of millions who can clean, label, and enrich data. CrowdFlower’s main source of hiring is data scientists at academic institutions, start-ups, and large enterprises.


CrowdFlower has great features which places it above other crowdsourcing software:

  • Custom Crowdsourcing Solutions
  • Automatically Reject Poor Data
  • Multiple Contributor Pools
  • Aggregated Data
  • Graphical Editor
  • Web API, Real-Time Feedback
  • Testing Interface
  • No Monthly Fees—Pay As You Go


These applications are specialties which CrowdFlower provides for their business partners.

Data Collection & Enhancement

  • Customer intelligence to procure timely data which helps you close the deal and gain market insights

  • Fast and cost effective labor pool of 5 million scalable and customizable workforce

Data Categorization

  • Limitless products, businesses, videos and events

  • Accurate quality check methods ensuring your rules are followed

  • QuickData for fast turnaround

Content Creation

  • Original content is ensured through quality checks to avoid plagiarism

  • Quality content project guidelines and style guides reflecting business goal-oriented content

  • Multi-Lingual content offered

Content Moderation

  • Reviews of comments, profiles, pages, posts, photos, texts, tweets, video, and audio

  • Flag and feature content

  • Compliance ensuring that content complies with governing rules

Search Relevance Tuning

  • Algorithms for timely and relevant search results

  • Customized solutions to fit proper search outcomes

  • Optimized results to train your search algorithm

Sentiment Analysis

  • Social media access

  • Deep analysis beyond positive/negative results

  • Fast and relevant data


  • Quick results

  • Specific respondents citing demographics

  • Optimized survey designs

Other Specialties

  • Business Data

  • Content Curation

  • Content Generation

  • Customer Enhancement

  • Lead Data Enhancement

  • Opinion Analysis

  • Search Results Ranking

Final Words

CrowdFlower handles the streamlining and posting of tasks for companies that are interested in crowdsourcing to fulfill their needs. With a workforce of 5 million and specialized talent, tasks can be completed quickly. Quality checks ensure that tasks are done correctly. Pay per completed task saves money for the company. For the company wanting just that, small tasks completed while not using their employees time, CrowdFlower is a good source of talent.

The Sales Pitch

The World’s Largest Workforce Gain access to millions of people around the world to enhance your data.

CrowdFlower is the world’s leading crowdsourcing service, with over 800 million tasks submitted by over four million contributors. We specialize in microtasking: distributing small, discrete tasks to many online contributors, assembly-line fashion - for instance, using people to check hundreds of thousands of photos every day for obscene content.


Custom crowdsourcing solutions, automatically reject poor data, multiple contributor pools, aggregated data, graphical editor, web API, real-time feedback, testing interface, no monthly fees - pay as you go



Tech Information
Launch Date
Total Payments
Unknown - approx 1,000,000,000 tasks completed
Number of Providers
Large - 'Millions' (exact number unknown)
Business data, customer and lead data enhancement, content moderation and curation, sentiment and opinion analysis, search results ranking, categorization, content generation, surveys