Compare the Top Sentiment Analysis Tools for Startups as of October 2026

What are Sentiment Analysis Tools for Startups?

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 Sentiment Analysis tools for Startups currently available using the table below. This list is updated regularly.

  • 1
    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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  • 2
    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
  • 3
    Dialpad Sell
    Dialpad Sell is an AI-powered sales outreach platform designed to help sales teams close deals faster and more efficiently. It provides real-time insights, such as call transcriptions, sentiment analysis, and keyword tracking, to assist reps in refining their pitches and overcoming objections. Managers gain powerful tools for monitoring team performance and coaching with AI-driven recommendations. The platform integrates seamlessly with popular CRMs and business apps like Salesforce, Zendesk, and Microsoft Teams. Dialpad Sell delivers increased sales efficiency, better onboarding, and reduced rep attrition. With enterprise-grade security and 24/7 support, it scales to meet the needs of businesses of all sizes.
    Starting Price: $95 per user per month
  • 4
    Semantria

    Semantria

    Lexalytics

    Semantria is a natural language processing (NLP) API from Lexalytics, leaders in enterprise sentiment analysis and text analytics since 2004. Semantria offers multi-layered sentiment analysis, categorization, entity recognition, theme analysis, intention detection and summarization in an easy-to-integrate RESTful API package. Semantria is totally customizable through graphical configuration tools, supports 24 languages, and can be deployed across private, public and hybrid clouds. Semantria scales effortlessly from single servers to entire data centers and back again to meet your on-demand processing needs. Integrate Semantria to add powerful, flexible text analytics and natural language processing capabilities to your cloud-based data analytics products or enterprise business intelligence infrastructure. Or add Lexalytics storage and visualization tools to create a complete business intelligence platform for storing, managing, analyzing and visualizing text documents.
  • 5
    PolygrAI

    PolygrAI

    PolygrAI

    PolygrAI is an innovative platform that provides real-time insights into emotional states and potential deception. Performing polygraph examination has never been easier with our desktop application, just click start, choose your video feed source, and see the insights. Our interface allows you to see through words and gain insights into the subconscious. The most important and comprehensive metric, simplified for your convenience. Helping you understand the overall sentiment throughout the entire examination. Categorized with priority, having primary, secondary, and tertiary emotions detected. When choosing a subject person, all others shown in the video feed will be ignored. Our desktop application is packed with other features designed to help you perform better and easier assessments. You can choose the default screen capturing which allows you to use with any other application, or connect a USB camera.
    Starting Price: $28/month
  • 6
    Caplena

    Caplena

    Caplena

    • Categorize Themes • Visualize Results • Topic-Level Sentiment Analysis • Powered by Collaborative AI Caplena is a customer feedback tool that uses augmented intelligence to help market researchers, CX professionals, and consultants uncover deep insights from their open-ended text. Caplena’s story began when co-founders, Maurice and Pascal, realized that most market research firms that handle customer feedback face the same issue: Too many open ends and not enough time to accurately analyze them. Since its inception in the Spring of 2018, Caplena has analyzed over 50 million responses, with 120 new projects added each week. Today Caplena is the text analytics tool of choice for over 100 companies in more than 15 countries, boasting customers such as Swisscom, eBay, DHL, Coop, and Joyn.
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