Using Vula, referrals had quick average response times including 9 minutes and 11 minutes in a public health context.

References:

Blanckenberg, N., & Motala, T. (2022). Facilitating remote access to specialist medical expertise through the scaled‑up adoption of a smartphone application: A South African case. South African Medical Journal, 112(2), 108–112. https://pubmed.ncbi.nlm.nih.gov/35139992/

Morkel, R W, Mann, Τ Ν, du Preez, G, & du Toit, J. (2019). Orthopaedic referrals using a smartphone app: Uptake, response times and outcome. SAMJ: South African Medical Journal, 109(11), 859-864. https://doi.org/10.7196/samj.2019.v109i11.13986