ShortKit

Apps that want to add short-form video feeds, live streaming, or seller/creator video face the challenge of matching the performance users expect from TikTok and Instagram. Viewers abandon a video if it takes longer than 400ms to start, and the first rebuffer is often where they give up. Building a production-grade video stack in-house means handling playback across 24,000+ Android devices, running global delivery, transcoding, recommendations, moderation, and more, which the page says costs an average in-house team over $500k a year. Companies that try to build this themselves end up spending engineering time on video infrastructure instead of their core product.

ShortKit offers native SDKs for iOS, Android, React Native, Flutter and web that give apps feeds, carousels, tiles and players to place anywhere in their product. Behind these SDKs, ShortKit handles uploads and imports (including from TikTok and Instagram), transcoding, captions, recommendations, live streaming (LL-HLS and WebRTC), multi-CDN global delivery, analytics, and native ad monetization, managed through a content portal. Teams are not locked into a fixed interface: they can start from templates built on patterns from other apps or build fully custom UI on top of ShortKit's primitives. The company says customers who moved from in-house stacks saw time to first frame drop by nearly 8x, and it offers a staged rollout so teams can compare ShortKit against their existing stack before fully switching.