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Best Free Customer Success Tools in 2026

Data compiled by Toolradar Updated How we rate

The 6 best free customer success tools we track. Ordered by Toolradar's ranking score (review volume and rating on G2, Capterra, Trustpilot and other sites, plus media mentions), not by vendor pitches; every rating shows its date.

Key Takeaways
  • SmartKarrot is our free pick for customer success in 2026. UpdateAI is our overall pick.
  • We screened 7 customer success tools with a free plan to build this list.
  • 6 tools offer free plans.
Publications that cover the tools tracked here
  • TechCrunch
  • Bloomberg
  • The Information
  • Fortune
  • The Verge
  • 7 free tools screened
  • 0 100% free
  • 6 free plan + paid

Top 5 free customer success tools at a glance

Top 5 free customer success tools: free plan type, user rating and best use, as of October 2026
Tool Type Rating Best for
SmartKarrot Free plan 4.5 (96) as of Sep 2026
Drive customer growth and retention through proactive engagement and insights.
RevSetter Free plan 4.8 (12) as of Mar 2026
AI-powered platform for customer success and relationship management.
RetentionEngine Free plan n/a
Automate customer retention and reduce churn with AI-powered personalized offers.
Strikedeck Free plan n/a
Drive customer success and reduce churn with intelligent automation and insights.
CSM AI Free plan n/a
AI-powered insights and automation for proactive customer success management.

Ratings from G2, Capterra, and other public review sites. Each cell shows the snapshot date so a cited number is never an undated one.

Toolradar data

The customer success tools market in numbers

Toolradar data: Toolradar tracks 45 customer success tools as of November 1, 2026. 16% of the customer success tools on Toolradar are free, freemium or open source. Toolradar re-checked the pricing of 73% of customer success tools in the last 90 days. Toolradar aggregates 18,076 public user reviews (G2, Capterra, Trustpilot and other review sites) across 33 rated customer success tools. The most cross-shopped customer success tool is Appcues, listed as an alternative to 27 other tools on Toolradar. The most compared customer success tool on Toolradar over the last 90 days is Gainsight, with 86 side-by-side comparisons. Computed from the Toolradar catalog and on-site activity.

  • 45 customer success tools tracked
  • 16% are free, freemium or open source
  • 73% of prices re-checked in the last 90 days
  • 18,076 public user reviews aggregated across 33 rated tools
Most cross-shopped customer success tools on Toolradar, as of November 2026 Listed as an alternative to the most other tools on Toolradar
Rank Tool Listed as an alternative to
1 Appcues 27 tools
2 Gainsight 27 tools
3 Totango 23 tools
Most compared customer success tools on Toolradar, last 90 days to November 2026 Side-by-side comparisons by visitors, last 90 days
Rank Tool Comparisons
1 Gainsight 86
2 Userpilot 66
3 Appcues 65

Source and method: live customer success tools statistics

The 6 best free customer success tools

Order: Toolradar ranking score, which is the public review volume times the average rating on G2, Capterra, Trustpilot and other review sites, plus media mentions (recent ones count more). Paid placements are labelled and never change the score. How we rank.

SmartKarrot logo
1.

SmartKarrot

Free plan

Drive customer growth and retention through proactive engagement and insights.

4.5/5 across G2 and Capterra · 96 ratings, Sep 2026

SmartKarrot is a customer success platform designed to help businesses improve customer retention, reduce churn, and maximize customer lifetime value. It provides tools for understanding customer health, automating engagement, and identifying growth opportunities across the customer journey. The platform aims to empower customer success teams with actionable insights and workflows to deliver personalized experiences. It's primarily for B2B SaaS companies and other subscription-based businesses that need to manage a large customer base and proactively address their needs. SmartKarrot helps customer success managers, account managers, and leadership teams gain a holistic view of their customers, predict potential issues, and implement strategies to foster long-term customer relationships and drive product adoption.

RevSetter logo
2.

RevSetter

Free plan

AI-powered platform for customer success and relationship management.

4.8/5 on G2 · 12 ratings, Mar 2026

RevSetter is an AI-powered platform designed to enhance customer success and streamline CRM operations. It integrates customer relationship management functionalities with advanced AI capabilities to help businesses proactively manage customer health, identify at-risk accounts, and automate engagement strategies. The platform is ideal for businesses looking to improve customer retention, increase upsell opportunities, and optimize their customer success workflows through intelligent automation and data-driven insights. The platform provides tools for managing customer interactions, tracking key metrics, and generating actionable insights from customer data. By leveraging AI, RevSetter helps customer success teams focus on high-value activities, personalize customer experiences, and ultimately drive business growth by fostering stronger, more profitable customer relationships.

RetentionEngine logo
3.

RetentionEngine

Free plan

Automate customer retention and reduce churn with AI-powered personalized offers.

RetentionEngine is an AI-powered platform designed to help businesses automatically retain customers and reduce churn. It analyzes customer behavior and intent to present personalized offers to customers who are considering canceling their subscriptions. The platform aims to recover customers who might otherwise churn, improving customer lifetime value and overall revenue. This tool is ideal for subscription-based businesses, SaaS companies, and any online service that experiences customer churn. By automating the retention process, it frees up customer success teams to focus on more complex issues while ensuring that customers receive relevant incentives to stay. RetentionEngine provides insights into churn reasons and the effectiveness of various offers, allowing businesses to continuously optimize their retention strategies. The core benefit of RetentionEngine is its ability to proactively engage at-risk customers with tailored solutions, moving beyond generic cancellation flows. It helps businesses understand why customers are leaving and provides the tools to intervene effectively, ultimately boosting customer loyalty and recurring revenue.

Strikedeck logo
4.

Strikedeck

Free plan

Drive customer success and reduce churn with intelligent automation and insights.

Strikedeck is a customer success platform designed to help businesses proactively manage customer relationships, improve retention, and identify growth opportunities. It centralizes customer data from various sources, providing a unified view of each customer's health, engagement, and potential risks. The platform leverages AI and automation to streamline customer success workflows, allowing teams to focus on high-value interactions rather than manual tasks. Strikedeck is primarily aimed at B2B companies, particularly those with subscription-based models, looking to optimize their customer success operations. It empowers customer success managers (CSMs) with tools for health scoring, journey orchestration, communication automation, and analytics, ultimately leading to increased customer satisfaction, reduced churn, and improved lifetime value.

CSM AI logo
5.

CSM AI

Free plan

AI-powered insights and automation for proactive customer success management.

CSM AI is an artificial intelligence platform designed to empower Customer Success Managers (CSMs) with advanced analytics and automation capabilities. It aims to transform raw customer data into actionable insights, helping CSMs understand customer health, predict churn risks, and identify upsell opportunities more effectively. By leveraging machine learning, CSM AI can analyze various data points, including product usage, support interactions, and sentiment analysis, to provide a holistic view of each customer. The platform is primarily built for B2B SaaS companies and other subscription-based businesses that rely heavily on customer retention and expansion. It helps customer success teams move from reactive problem-solving to proactive engagement, enabling them to intervene at critical moments and build stronger customer relationships. The core benefit lies in its ability to scale customer success efforts without proportionally increasing headcount, making it a valuable tool for growing organizations.

Flows logo
6.

Flows

Free plan

Fully customizable platform for building product adoption and user engagement experiences.

Flows is a comprehensive product adoption platform designed for modern companies to create and manage user onboarding and engagement experiences. It enables product teams and marketers to build various in-app experiences such as onboarding checklists, product tours, announcements, banners, and badges without requiring extensive engineering resources. The platform supports a product-led growth strategy by facilitating the creation of growth loops, driving key performance indicators, and enhancing sales, support, and marketing efforts. Flows provides a headless architecture, allowing for deep customization of every aspect of the adoption experience. It offers a range of pre-built, customizable components like tooltips, hints, modals, and multi-step tours, which can be triggered based on user behavior or page views. The platform also includes robust features for user segmentation, localization, versioning, and analytics to measure the effectiveness of adoption workflows. Its usage-based pricing model is designed to scale with a company's growth, offering a generous free tier for early-stage startups.

Related

Why choose free customer success tools?

Free customer success tools are an excellent way to get started without financial commitment. Whether you're a startup, freelancer, or small business, these tools offer essential features at no cost.

What to look for in free customer success tools

  • Feature limitations: Understand what's included in the free tier vs paid plans
  • Usage limits: Check for restrictions on users, storage, or API calls
  • Data ownership: Ensure you own your data and can export it
  • Support: Free tiers often have community-only support
  • Upgrade path: Consider future needs if you outgrow the free tier

Free vs Freemium: what's the difference?

100% free 100% free, no payment ever

Completely free with no paid upgrades available. Best for simple, focused workflows that don't require advanced features.

Free plan Free tier + paid upgrades

Generous free tier with optional paid plans that unlock advanced features, higher limits, or team collaboration.

Frequently Asked Questions

What is the best free customer success tool in 2026?

SmartKarrot is our free customer success pick in 2026. On the full category ranking, UpdateAI is our overall customer success pick. SmartKarrot offers a free plan alongside paid plans: Drive customer growth and retention through proactive engagement and insights.

Is SmartKarrot really free forever?

SmartKarrot uses a freemium model: there is a permanent free tier you can use without a credit card, plus optional paid plans that unlock higher usage limits and advanced features. The free tier itself does not expire.

What does the free tier of customer success tools typically include?

Free customer success tools typically include the core workflow features needed to evaluate the product. Paid plans usually unlock higher usage limits, team collaboration, advanced analytics, integrations, and priority support. The specific cap differs per tool.

When should I upgrade from a free customer success tool?

Upgrade when you hit one of the free tier ceilings: usage quota (output count, storage, contacts, projects), team size, or a paid-only feature your workflow depends on.

Are there customer success tools that are 100% free, not just freemium?

In this category most options use a freemium model: a permanent free tier with optional paid upgrades. SmartKarrot, RevSetter, RetentionEngine all offer generous free plans you can use indefinitely without paying.

Are free customer success tools good enough for business use?

Yes, for most startups, freelancers, and small teams. SmartKarrot and RevSetter both offer free tiers robust enough for production workflows. Larger teams typically upgrade when they need SSO, audit logs, advanced permissions, or usage past the free quota.

Last updated: October 27, 2026

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