Blink (bitcoin beach wallet)

it's custodial, and requires a phone number (unfortunately), but:

• very fast
• very low fees
• works without Google Services
• can use with an online sms service
• no kyc

for smaller amounts, perfect for noobs

once they're up and running, teach them about channels and self sovereignty

phoenix is a great next step, but they can (hence likely do) track all of your transactions.