Angular State Management in 2026: NgRx vs Signals vs Services — A Practical Comparison

Every Angular developer faces it eventually: your app grows, components need to share state, and suddenly you're asking — how should I manage this? In 2026, you have three solid options: plain Services, Angular Signals, and NgRx. Each has a sweet spot. This article breaks them down with real examples so you can make the right call for your project. Option 1 — Services (The Classic Approach) Services with BehaviorSubject have been the go-to solution for years, and for good reason — they're simple, well-understood, and require zero extra dependencies. @ Injectable ({ providedIn : ' root ' }) export class CartService { private _items = new BehaviorSubject < Item [] > ([]); items$ = this . _items . asObservable (); addItem ( item : Item ) { this . _items . next ([... this . _items . value , item ]); } } They are best for: Small to medium apps Teams already comfortable with RxJS State that lives in one or two places But be carefull because: No dev tools or traceability Can get messy as the