The rapidly increasing demand for efficient and sustainable energy storage systems has intensified research into advanced electrode materials with high performance, low cost and long-term stability. Among the various materials explored in recent years, transition metal sulphide (TMSs) has emerged as promising materials for energy storage applications due to their rich redox chemistry, high electrical conductivity, and flexible structural tunability. This short review provides a comprehensive overview of the emerging trends in transition metal sulphide–based materials for energy storage devices, particularly supercapacitors and rechargeable batteries. Recent progress in material design strategies, including nano structuring, heterostructure junctions and nanocomposite. Also, current challenges such as capacity fading, poor cycling stability and scalability issues are highlighted, along with potential solutions and future research directions. By summarizing recent advancements and identifying key opportunities, this review aims to offer valuable insights for the rational design of next-generation transition metal sulphide–based energy storage devices.