Here’s a quick guide to Best Anime Streaming Apps for Android and iPhone Users.
AnimeLab - Best for Non-Japanese Speaking Users

AnimeLab makes anime accessible to international audiences by providing English subtitles for all content. The free version lets you watch with subtitles, while upgrading to premium unlocks dubbed versions where characters speak in English. It's perfect for viewers who want to enjoy authentic Japanese anime without language barriers.
RetroCrush - Best for Classic Anime Content

RetroCrush specializes in anime from the 70s, 80s, and 90s - what many consider the golden age of anime. While newer shows feature advanced animation, classic anime offers timeless storytelling that still captivates audiences today. The app is free with occasional ads, or you can subscribe to RetroCrush Plus for an ad-free experience.
Funimation - Best for High-Definition Anime
(Note- The Funimation streaming app was shut down on April 2, 2024, and its content was merged into Crunchyroll)

For viewers who prioritize video quality, Funimation delivers anime in crisp high-definition format. Whether you're watching on a smartphone or tablet, you'll enjoy excellent picture and sound quality. The app maintains high standards across all its content, making it ideal for anime enthusiasts who appreciate technical excellence.
Crunchyroll - Largest Anime Library

Crunchyroll boasts the most extensive anime collection available, with thousands of titles across every genre imaginable. Even the most dedicated anime fans will discover new content here. The premium version offers a 14-day free trial and includes offline viewing capabilities, letting you download episodes to watch without an internet connection.
Tubi - Best for Award-Winning Content

Tubi helps you avoid wasting time on mediocre content by focusing on critically acclaimed anime. As one of the leading streaming platforms, it features numerous award-winning shows and movies. You can check ratings and reviews before watching to ensure you're investing your time in quality entertainment.
Hidive - Best for Regular Updates

Hidive keeps its content fresh with frequent updates, often adding new anime within hours of your last visit. The app balances classic favorites with contemporary releases, offering something for both traditional and modern anime fans. A subscription provides full access to exclusive content you won't find on other platforms.
VRV - Best for Advanced Features
(Note -The VRV app has been shut down and its services have been merged with Crunchyroll as of May 2023)

VRV combines quality anime with modern streaming features. You can create personalized watchlists, download episodes for offline viewing, and enjoy ad-free streaming with a premium subscription. The app integrates seamlessly with iTunes for easy subscription management, making it convenient for regular users.
Whether you're new to anime or a seasoned fan, having a dedicated streaming app on your phone opens up endless entertainment possibilities. These apps let you watch anime anywhere, save your favorite episodes, and discover new content that matches your interests.