Castled vs. Viewn Comparison Chart

Hightouch is the leading Composable CDP and AI Decisioning platform that empowers companies to activate their data warehouse to power personalized marketing and business operations. Trusted by leading organizations like PetSmart, Warner Music Group, Chime, Aritzia, and Whoop, Hightouch enables anyone to deliver personalized customer experiences, optimize performance marketing, and move faster by leveraging data and AI across their organization. Hightouch’s Composable Customer Data Platform collects behavioral events, resolves identities into Customer 360 profiles, builds audiences, syncs data to over 200 destinations like ad platforms and CRMs, and analyzes the results of marketing campaigns— all from the cloud data warehouse.

Klaviyo is an all-in-one platform that makes it easy for B2C businesses grow by integrating marketing, analytics, and customer service in one solution. Powered by unified data and built-in AI, it's faster and easier than ever to create personalized, lasting customer relationships. Klaviyo unifies your customer profiles by capturing every event, and then lets you orchestrate your email marketing, SMS marketing, push notifications, WhatsApp, and RCS campaigns in one place. Klaviyo AI helps you build audiences, write copy, and optimize — so you can always send the right message at the right time, automatically. With real-time attribution and insights, you'll be able to make smarter, faster decisions that drive ROI. Trusted by more than 170,000 businesses, Klaviyo can grow your business while keeping operations simple and customer relationships strong.

Like having Postman inside Salesforce! Declarative Webhooks allows users to quickly and easily configure bi-directional integrations between Salesforce and external systems using a point-and-click interface. No coding is required, making it a fast and efficient and as a native solution, Declarative Webhooks seamlessly integrates with Salesforce platform features such as Flow, Process Builder, and Apex. You can also leverage the AI Integration Agent feature to automatically build your integration templates by providing it with links to API documentation.

Design and deploy your ideal customer engagement experience. Twilio is a single fully-programmable platform with flexible APIs for any channel and over 400+ integrations, backed by a community of over 9 million developers. Build accurate and personalized experiences for your customers, easily and at scale, using SMS and WhatsApp messaging, voice, video, email, and more. Browse documentation and SDKs in multiple coding languages, including Ruby, Python, PHP, Node.js, java, and C#, or jumpstart your first project with our open source code templates to quickly build production-ready communications apps. Sign up and start building today.

Knak is the no-code platform that empowers self-sufficient marketing teams to create beautiful, on-brand emails and landing pages — without relying on developers or agencies. Built for speed and collaboration, Knak streamlines campaign production with modular templates, real-time editing, simple collaboration, and seamless integrations with leading MAPs like Adobe Marketo Engage, Salesforce Marketing Cloud, Oracle Eloqua, and more. Whether you're supporting global teams or launching fast-turn campaigns, Knak helps you go from brief to build in minutes—not weeks. Say goodbye to bottlenecks and hello to marketing agility.

BigQuery is a serverless, multicloud data warehouse that simplifies the process of working with all types of data so you can focus on getting valuable business insights quickly. At the core of Google’s data cloud, BigQuery allows you to simplify data integration, cost effectively and securely scale analytics, share rich data experiences with built-in business intelligence, and train and deploy ML models with a simple SQL interface, helping to make your organization’s operations more data-driven. Gemini in BigQuery offers AI-driven tools for assistance and collaboration, such as code suggestions, visual data preparation, and smart recommendations designed to boost efficiency and reduce costs. BigQuery delivers an integrated platform featuring SQL, a notebook, and a natural language-based canvas interface, catering to data professionals with varying coding expertise. This unified workspace streamlines the entire analytics process.

Kitcast is the ultimate digital signage solution for organizations that want to communicate smarter. Whether it’s a single screen or a full network across multiple locations, Kitcast adapts to any volume. It’s easy to navigate for non-tech users but packs the power IT teams need. Setup? Done in 5 minutes! Kitcast suits any industry with powerful tools to manage content. Create AI-driven visuals, choose from 500+ templates, or customize your own. Upload images and videos, display dashboards, live streams, RSS feeds, social media, weather, and more. The API gives you advanced flexibility to plug into your favorite tools and automate like a pro. With Kitcast’s cloud-based nature, users can update screens in real-time from anywhere - no fuss, no downtime. MDM integration allows you to instantly add as many screens as you need, skipping the manual Apple TV setup process. Kitcast takes visual communication to the next level, delivering hyper-relevant content straight to the viewer.

Fight skyrocketing paid media costs by turning your customers into a primary vehicle for acquisition, awareness, and activation with Extole. Our enterprise referral platform and team of experts create customized advocacy and referral programs, enabling brands to drive engagement with existing customers, acquire new customers, and generate an essential and unique first-party data source. The platform's advanced capabilities ensure companies get the most out of their referral programs. Leverage custom events, profiles, and attributes to enable dynamic, audience-specific referral experiences. Use first-party data to tailor customer segment messaging, rewards, and engagement strategies. Use our flexible APIs to build management capabilities and consumer experiences–headlessly or hybrid. We have all the tools you need to build scalable, secure, and high-performing referral programs. Book a demo to see how Extole can unlock the full potential of your customer advocacy programs.

Your data, your insights—no third-party ownership or black-box analytics. Kubit is the leading Customer Journey Analytics platform for enterprises, enabling self-service insights, rapid decisions, and full transparency—without engineering dependencies or vendor lock-in. Unlike traditional tools, Kubit eliminates data silos, letting teams analyze customer behavior directly from Snowflake, BigQuery, or Databricks—no ETL or forced extraction needed. With built-in funnel, path, retention, and cohort analysis, Kubit empowers product teams with fast, exploratory analytics to detect anomalies, surface trends, and drive engagement—without compromise. Enterprises like Paramount, TelevisaUnivision, and Miro trust Kubit for its agility, reliability, and customer-first approach. Learn more at kubit.ai.

Renderforest is an all-in-one branding platform that allows users to create broadcast-quality videos, AI optimized logos, photorealistic mockups, digital and print graphics of all topics and purposes, as well as fully functioning websites. Choose from the ever-growing collection of high-quality templates of all kinds. Customize videos with transitions, text, logo, and animation of your choice to promote and advance your social media presence. Enjoy the ease of creating a logo, with no technical or design skills, in just a few clicks. Design social media posts, posters, flyers, and more using the very intuitive Renderforest Graphic Maker. Create music visualizers, 3D animations, intros, outros, slideshows, and many more to promote you and your business. Showcase your product, branding, and design with ready-to-use mockups. Create all the elements of your branding and stand out with Renderforest.