Which transfer app gives South Africa’s migrant workers the best deal on their next $200 home?

Johannesburg is a magnet for Africa’s workforce. Migrants from Zimbabwe, Nigeria, the Democratic Republic of Congo (DRC), Uganda, and beyond flock to the city’s bustling economic corridors. Many work long hours in retail trade, salons or as gig economy workers. Their earnings power South Africa’s billion-dollar remittance economy.  

Over $1 billion flows each year to Southern African…