A pour-over coffee brewer apparatus comprises a base containing a motor that drives a coffee grinder via a set of gear assemblies, a vertical support structure extending upwards from a rear portion of the base, and a horizontal support structure extending out from a top portion of the vertical support structure, the horizontal support structure comprising a grinder for grinding coffee beans and a water dispenser for dispensing water onto ground coffee beans. The set of gear assemblies comprises a first gear assembly in the base, a second gear assembly in the horizontal support structure, and a gear shaft in the vertical support structure that couples the first gear assembly and the second gear assembly.