TikTok is the most downloaded App But YouTube is the Market leader in in-app purchases.

According to searchenginejournal Consumer Spending on Mobile Apps Grew 40 Percent in a Year: App Annie

Consumer spending in apps has hit a record $32 billion (roughly Rs. 2,34,400 crores) in the first quarter of 2021, according to a report.

YouTube money making in-app purchases:

• YouTube Premium: A monthly subscription that removes ads on all videos and gives users exclusive features.
• Channel Memberships: A monthly subscription to a specific channel, which can come with various perks.
• Super Chat: Viewers can pay to highlight chat messages during a creator’s live stream.
• Super Sticker: Viewers can pay to send stickers in a chat during a creator’s live stream.

YouTube TV will now surface and let you watch the movies you’ve purchased across all Google services in its interface. Besides access, you can also search and buy/rent from one entertainment app.

Consumer Spending on Mobile Apps Hit Record $32 Billion in Q1 2021, Grew 40 Percent in a Year: App Annie