It depends on taste. Ullu has larger brand recognition and more consistent output (2-4 new series per month). Kooku has darker, grittier storylines. Most fans subscribe to both.
You can watch via the Kooku App or website. It requires a subscription for premium content, though some initial episodes or trailers are often available for free to attract viewers. Ullu Web Series Review kooku ullu web series watch online
: Both apps often offer the first episode of a series for free or provide short "First Look" trailers to give you a preview before subscribing. It depends on taste
If a website offers “all Kooku Ullu web series watch online free in HD,” it’s 100% illegal and likely malicious. kooku ullu web series watch online