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Product

In-App Voice and Video Calling: Complete Implementation Guide for Product Managers

We've all been in the situation where we're typing out a message in an app and think, "actually, I just need to call this person." In-app voice and video calling is how you add this functionality to your product. With in-app video, your users can talk to each other without jumping to a different app.
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13 min read

Stream’s AI Moderation Roadmap: What We’re Building Next

Moderation has quietly become one of the hardest problems in modern apps. As chat, feeds, and real-time video interactions expand globally, the challenge isn’t just catching bad content; it’s doing it in real time, across languages, with context, and at scale. At Stream, we’ve been investing deeply in solving that problem. This roadmap is a
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4 min read

How to Build a Chat or Messaging App: Architecture, WebSockets, & Scaling

Chat looks simple. A user types a message, and it appears on the other person's screen. Ship it. At Stream, we know it's anything but. WebSockets. Persistence. Message ordering. Offline sync. Presence at scale. File uploads. Emojis. All of it is table stakes for any chat or messaging app, and all of it is a
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24 min read

Stream vs. CometChat: The Definitive Comparison (2026)

Stream and CometChat are two of the most-evaluated platforms for teams building real-time communication into their products. Both offer APIs, SDKs, and UI components for messaging, audio, and video. But they are built around different philosophies:  Stream is engineered for deep customization and extreme scale, CometChat is designed to get you to production fast with
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8 min read

Mux Alternatives – Comparing the Top 9 Competitors

Mux is a video infrastructure API built for developers who want to ship video fast without managing encoding pipelines. It handles ingest, storage, adaptive delivery, and analytics — and stays out of everything above that layer. That's the right tradeoff for a lot of teams. It's not the right one for all of them. Here's
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14 min read

Ultimate Guide to Live Commerce: Features, Benefits & Examples

The Home Shopping Network (HSN) pioneered live commerce in the ’70s, which means we’re due for an eCommerce renaissance right about now. By blending entertainment with instant purchasing, live shopping offers brands, retailers, and online marketplaces the opportunity to build stronger engagement and loyalty with their audience. What is Live Commerce? Live commerce combines the
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22 min read

Sightengine Alternatives – Comparing the Top 9 Competitors

Sightengine is an API-first content moderation service for image, video, and text classification. You send content, get back confidence scores, and handle the rest yourself. It's minimal by design, meaning no workflow layer, no human review, and no bundled infrastructure. That works well for teams who want direct model access and tight control over their
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15 min read

Stream Chat vs. PubNub Chat

If you're evaluating chat APIs for your app, Stream and PubNub are two names you'll keep running into. They're both capable platforms, but they're built around different philosophies. PubNub started as a pub/sub infrastructure company and added chat on top. Stream was built for chat from day one. This guide breaks down the key differences
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8 min read

Vonage Video API vs. Stream Video

Adding video to your app can drive real engagement, but only if it works. Choosing the wrong provider means latency issues, integration headaches, and developers stuck reading outdated docs instead of shipping. In this guide, we compare Vonage and Stream Video across video quality, SDK support, integration experience, and pricing to help you make the
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8 min read