Developing a Human Resource app for iCore in Singapore involves various cost factors. Initial expenses include design and development, which typically range from SGD 20,000 to SGD 50,000, depending on complexity and features. Additional costs cover user testing, which may add another SGD 5,000 to SGD 10,000. Ongoing expenses include maintenance and updates, estimated at SGD 2,000 to SGD 5,000 annually. Cloud hosting and data security can add SGD 1,000 to SGD 3,000 per year. Overall, businesses should budget approximately SGD 30,000 to SGD 70,000 for initial development and yearly maintenance.