Compare the Top Free Sentiment Analysis Tools as of July 2025

What are Free Sentiment Analysis Tools?

Sentiment analysis tools are software that uses AI to deduce the sentiment from written language. Sentiment analysis software is useful for monitoring the sentiment and feelings about your brand or business online. Sentiment analysis software tools utilize natural language processing in order to analyze sentiment, and arrive at a conclusion on overall sentiment about your brand. Sentiment analysis tools can be used to scan social media and the web at large to generate a report on how people feel about the brand or terms you are tracking. Being aware of overall brand sentiment can help you make more informed business and product decisions. Compare and read user reviews of the best Free Sentiment Analysis tools currently available using the table below. This list is updated regularly.

  • 1
    HubSpot CRM
    HubSpot brings your marketing, sales, and service teams together on the same AI-powered customer platform. HubSpot's Customer Platform is not just a tool; it's the heartbeat of your business. Designed with passion and precision, our CRM stands out as the ultimate solution for empowering your team to build deeper customer relationships. It transforms the way you engage with your clients by offering a seamlessly integrated, all-in-one platform for sales, marketing, and customer service. With HubSpot's CRM, you gain unparalleled insights into your customer interactions, all organized in an intuitive, easy-to-navigate dashboard that promises to skyrocket your team's efficiency. Our platform is engineered to grow with you, offering scalable solutions that adapt to your evolving business needs. What's more, HubSpot's Customer Platform includes a robust free version, packed with essential features, making it the perfect choice for ambitious businesses of all sizes.
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    Starting Price: Free
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  • 2
    LM-Kit.NET
    On-device sentiment analysis for .NET delivers real-time, private insights. It classifies text as positive, negative, or neutral, detects emotions like joy, anger, sadness, fear, and flags sarcasm for deeper profiling. Turn raw text into actionable intelligence for support, social listening, marketing, and product strategy.
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    Starting Price: Free (Community) or $1000/year
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  • 3
    HubSpot Service Hub
    Customer service software that builds organization and efficiency into your customer service team. Start providing better customer service right now with Service Hub. Service Hub™ has all the tools you need to delight customers at scale. You’ll give them an extraordinary and efficient experience with your company, help them help themselves, and build a base of happy customers who advocate for your business. Deliver organized customer service that gives efficient help and complete answers. Customers don’t care about the internal structure of your company. They just want help. When your teams are cut off from each other, you create friction and confusion for your customers. With the tools in Service Hub™, you can finally build a frictionless customer experience. This starts with the Conversations inbox, which brings all your communication channels — email inboxes, live chat, forms, Facebook messenger, and more — together into one universal inbox.
    Starting Price: $50 per user per month
  • 4
    Feedier

    Feedier

    Alkaweb

    Who likes to take a survey? No one. Feedier is a new innovative platform to collect valuable Feedback. Stay leader, turn feedback into growth leverage by making data-driven decisions to improve your services and products. Innovative forms: Deploy innovative forms in minutes with a unique model: S.I.R.A. Measure Satisfaction, collect valuable Insights, Reward to create loyalty, and finally push an Action to create engagement. Get more responses: Push highly targeted and unique feedback requests that not only deliver a much better and quicker experience but also incentivize your participants to give their opinion. Empower your data: Feedier act as data-hub. Link cross-data from your applications and services to the feedback you collect. Segment the data you require. Go one step further with sentiment analysis, thanks to machine learning analysis. A collaborative platform to infuse actions: Assign feedback in your teams, engage your participants, export your data and run
    Starting Price: $30.00/user/month
  • 5
    Google Cloud Natural Language API
    Get insightful text analysis with machine learning that extracts, analyzes, and stores text. Train high-quality machine learning custom models without a single line of code with AutoML. Apply natural language understanding (NLU) to apps with Natural Language API. Use entity analysis to find and label fields within a document, including emails, chat, and social media, and then sentiment analysis to understand customer opinions to find actionable product and UX insights. Natural Language with speech-to-text API extracts insights from audio. Vision API adds optical character recognition (OCR) for scanned docs. Translation API understands sentiments in multiple languages. Use custom entity extraction to identify domain-specific entities within documents, many of which don’t appear in standard language models, without having to spend time or money on manual analysis. Train your own high-quality machine learning custom models to classify, extract, and detect sentiment.
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    MeaningCloud

    MeaningCloud

    MeaningCloud

    MeaningCloud is the easiest, most powerful, and most affordable way to extract the meaning from unstructured content: documents, articles, social conversations, web content, etc. We provide text analytics products to extract the most accurate insights from any content in many languages. And we do it SaaS and On-prem. We work for different industries (pharma, finance, media, retail, hospitality, telco, etc.) developing personalized and industry-oriented solutions.  Pay only for what you use, without any activation fees, minimum time commitment and with the most generous free plan of the market. If you don't like it, you can stop using it, just like that. Without software to install or infrastructure to deploy. All the reliability and scalability of solutions in the cloud, and the possibility of testing it for free.
    Starting Price: $99 per month
  • 7
    CXONCLOUD

    CXONCLOUD

    UNLOC Ltd.

    CXONCLOUD is a B2B SaaS built to create, manage & measure the end-end customer experience in simple clicks. One solution that offers unlimited customer feedback, booking, loyalty, awards, rewards, referral marketing, email automation and helps businesses deliver a consistent seamless experience on all customer touchpoints. CXONCLOUD not only improves search but also simplifies customer engagement may it be a booking or feedback. It understands customer sentiments, immediately acknowledges customer concerns automatically & alert the impending negative word of mouth. The all-in-one app automatically measures the loyalty factor of customers & has readymade loyalty campaigns to engage customers on email & social media. The inbuilt referral marketing campaigns can help small business get new referrals from existing loyal customers in simple clicks. The loyal customers can be rewarded with promo codes & QR codes with automatic list generations & rewards management modules.
    Starting Price: $39.00/month
  • 8
    LeadMi

    LeadMi

    LeadMi

    Leverage the power of automation in Marketing. Improve sales conversions and customer engagement. Manage Leads interacting with your brand or product on your social channels. Identify social activity & nurture them. Automate profile discovery and activity gathering. Leverage rule based lead scoring to qualify them. Define your buyer personas as search filters. Generate leads instantly. Leverage filters across user and organizational attributes to identify high quality leads. Achieve high ROI in a short time. Drive content building and publish across multiple social channels at once. Track content consumption and interactions on your posts and generate leads. Develop and leverage insights on social media interactions. Leverage social listening to monitor your brand’s social media channels for any customer feedback and brand mentions or discussions regarding specific keywords, topics, competitors, or industries, followed by an analysis to gain insights and act on those opportunities.
    Starting Price: $25 per month
  • 9
    Social Searcher

    Social Searcher

    Social Searcher

    Don't miss a single social mention of your Brand. Check up who is talking about you right now and engage with them. Social media has changed how we market our businesses. Understanding how to find, monitor and respond to social mentions for crucial conversations online is an excellent skill for marketers to develop. Even though you don't have the budget, tracking and using them to your advantage is entirely possible with a proper strategy in place. Social mention occurs every time a keyword, hashtag or brand that you are monitoring is used on social media and with Social Searcher you may see all of them in a single list. Our platform is covering top social media services and all web mentions as well. You can get in touch with thousands of people with a snap of your fingers. This works like all other search engines. You can search for specific keywords or brand that you want to track, and get a list of filtered results with analytics.
    Starting Price: €3.49 per month
  • 10
    Komprehend

    Komprehend

    Komprehend

    Komprehend AI APIs are the most comprehensive set of document classification and NLP APIs for software developers. Our NLP models are trained on more than a billion documents and provide state-of-the-art accuracy on most common NLP use cases such as sentiment analysis and emotion detection. Try our free demo now and see the effectiveness of our Text Analysis API. Maintains high accuracy in the real world, and brings out useful insights from open-ended textual data. Works on a variety of data, ranging from finance to healthcare. Supports private cloud deployments via Docker containers or on-premise deployment ensuring no data leakage. Protects your data and follows the GDPR compliance guidelines to the last word. Understand the social sentiment of your brand, product, or service while monitoring online conversations. Sentiment analysis is contextual mining of text which identifies and extracts subjective information in the source material.
    Starting Price: $79 per month
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    Allganize

    Allganize

    Allganize

    Allganize's industry-leading AI solutions provide businesses with the best tool to automate customer and employee support. Automate an average of 72% of all monthly support tickets within the first 4 months of implementation. Let our AI automate simple customer requests and free up your agents’ time to handle more complex issues. Employees can ask questions in a conversational way and find answers from multiple document types. Conversational AI chat bot pre-trained for your websites and automates customer service. Intelligent search that extracts accurate answers from any document, instantaneously. Automatically extracts important keywords from any document and categorizes them, providing valuable insights. Understands the context of product reviews using one's natural language to automatically detect positive or negative experiences. Assigns predefined categories from customer support conversions to accurately determine user intent.
    Starting Price: $2 per month
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    Mention

    Mention

    Mention

    Mention is a real-time Media Monitoring and Social Listening solution for SMB's and Enterprises that operates in more than 125 countries. By offering a robust set of tools at an affordable rate, we help thousands of businesses optimize their monitoring and listening efforts while ensuring the best return on investment. With more than a billion sources crawled on the web (news, forums, review sites, websites...) and social networks (Linkedin, X, Facebook, TikTok...), we enable thousands of customers to be alerted as soon as a topic of interest is mentioned online. Whether you want to identify what's being said about your brand or your product to improve your reputation, monitor and strengthen your market position by analyzing your competitors' every move, or identify movements in your market, Mention will be there to support you!
    Starting Price: $41/month
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    RapidMiner
    RapidMiner is reinventing enterprise AI so that anyone has the power to positively shape the future. We’re doing this by enabling ‘data loving’ people of all skill levels, across the enterprise, to rapidly create and operate AI solutions to drive immediate business impact. We offer an end-to-end platform that unifies data prep, machine learning, and model operations with a user experience that provides depth for data scientists and simplifies complex tasks for everyone else. Our Center of Excellence methodology and the RapidMiner Academy ensures customers are successful, no matter their experience or resource levels. Simplify operations, no matter how complex models are, or how they were created. Deploy, evaluate, compare, monitor, manage and swap any model. Solve your business issues faster with sharper insights and predictive models, no one understands the business problem like you do.
    Starting Price: Free
  • 14
    Social Mention

    Social Mention

    BrandMentions

    Social Mention finds who's talking about your brand or competitors in the news & social media. Social Mention is a simple to use social media search tool that aggregates user generated content from across the internet into a single stream of information. It’s a social media monitoring tool that allows you to track and measure what people are saying about your brand anywhere on the globe, in real-time. SocialMention is part of BrandMentions, an in-depth brand monitoring tool designed to track and engage in online conversations in real-time. Never miss a comment or mention about your product or brand on social media accounts, news and other publications. Get to know as soon as your audience talks about you, anywhere online. Have a better understanding of how your customers are interacting with your brand, how your social media strategy is performing & create products that will meet their exact needs.
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    Dandelion API

    Dandelion API

    SpazioDati

    Find mentions of places, people, brands and events in documents and social media. Easily get additional data about the entities. Classify multilingual text into standard, pre-defined taxonomies or build your own custom classification scheme in minutes. Identify whether the expressed opinion in short texts (like product reviews) is positive, negative, or neutral. Automatically identify important, contextually relevant, concepts and key-phrases in articles and social media posts. Compare two texts and compute their syntactic and semantic similarity. Understand when two texts are about the same subject. Extract clean text article from newspapers, blogs and other websites. Remove boilerplate and advertising and get the article full text and images.
    Starting Price: $49 per month
  • 16
    Hume AI

    Hume AI

    Hume AI

    Our platform is developed in tandem with scientific innovations that reveal how people experience and express over 30 distinct emotions. Expressive understanding and communication is critical to the future of voice assistants, health tech, social networks, and much more. Applications of AI should be supported by collaborative, rigorous, and inclusive science. AI should be prevented from treating human emotion as a means to an end. The benefits of AI should be shared by people from diverse backgrounds. People affected by AI should have enough data to make decisions about its use. AI should be deployed only with the informed consent of the people whom it affects.
    Starting Price: $3/month
  • 17
    UserWise

    UserWise

    UserWise

    Effortlessly & easily collect, analyze & optimize feedback to enhance customer satisfaction & make data-driven decisions. Our AI analyzes feedback and determines if it is positive, negative or neutral. Our AI summarizes feedback into concise summaries, saving time and providing key insights. Our AI classifies feedback into different categories for efficient organization and management. Smartly and easily track and monitor feedback with our AI platform and make a smart data-driven decision. Our AI identifies customer pain - points from feedback received. Our AI classifies feedback into different categories for efficient organization and management. Our AI summarizes feedback into concise summaries, saving time and providing key insights.
    Starting Price: $25 per 1,000 credits
  • 18
    HubSpot Customer Platform
    Put your customers first and grow better with HubSpot’s AI-powered customer platform. Connect your front office teams through a complete view of the customer journey. Use AI-powered tools to deliver a seamless customer experience Easily adapt to emerging industry trends and technologies. Traditional CRMs alone aren't enough to drive growth. Most aren’t designed for customer connection, which is critical in an AI-driven world where customers can explore, evaluate, and buy with efficiency. HubSpot’s customer platform is so much more. It’s powered by Smart CRM that combines customer data with AI to help you adapt, products for engaging customers across the entire journey, and an ecosystem of integrations, education, and community. It’s built for businesses to connect with customers, and grow better.
    Starting Price: Free
  • 19
    CommentScope

    CommentScope

    CommentScope

    Analyze YouTube comments with AI to uncover valuable insights, trends, and sentiment patterns. Make data-driven decisions to grow your channel. Get deep insights into videos from your niche with our advanced AI-powered analysis tools. Understand how your audience feels about your content with advanced sentiment analysis. Identify emerging trends and patterns in your comments to stay ahead of the curve. Get actionable insights and recommendations to improve your content strategy. Track and analyze viewer engagement patterns to optimize your content for better interaction. Everything you need to define your content strategy.
    Starting Price: $12 per month
  • 20
    Fullstory

    Fullstory

    Fullstory

    Fullstory is a behavioral data platform that surfaces the sentiment buried between clicks, revealing the untold story behind consumer behaviors. From building better fraud detection and forecasting to creating personalization that genuinely resonates, Fullstory enables product, engineering, and data teams to connect sentiment signals with other data sources to intentionally design the next best action. Providing deeper and more immediately actionable insights beyond conventional web and product analytics that can only surface what’s happening but not why, Fullstory is the only behavioral data platform that provides the context needed to build in-the-moment experiences that drive revenue. With automatically captured, indexed, and semantically structured first-party data— served up to your data ecosystem or through our product analytics with session replay, Fullstory’s behavioral data is ready-made for AI. Enterprises no longer waste countless hours and resources analyzing data.
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