Both the Starters Kit and the Essentials Kit are excellent products, but which one you pick up first will depend on what you are looking for in an introductory D&D product.
Comparing the D&D Essentials Kit with the 5e Starter Set
D&D Duets: Best Dungeons & Dragons Adventures For Two Players
Dragon of Icespire Peak—an adventure for characters levels 1–6 Rulebook—includes guide to creating characters and all the rules you need to play
D&D Essentials Kit (Dungeons & Dragons Intro Adventure Set) Age Range:12 Years & Up
MEEFYLION DND Flat Miniatures: Dungeons and Dragons Starter Bundle 170 minis Set 28mm Fantasy Art Minis for D&D 5E Pathfinder Plastic Figures for TTRPG Tabletop RPG Games Accessories Gift for DM
I Was Wrong ⚔️ Starter Set vs. Essentials Kit (D&D 5E Boxed Sets)
mlev on Cortex
Play One-on-One (or Party Style!) with the D&D Essentials Kit - Posts - D&D Beyond
Getting Started With Dungeons and Dragons: Starter Set vs. Essentials Kit - HobbyLark
D&D Essentials Kit vs Starter Set: Review - Hero Level Games