Social Media Platforms:

Instagram: Offering sponsored posts, stories, and reels, along with premium subscription features for creators.
TikTok: Utilizing native ads, sponsored challenges, and creator fund opportunities for monetization.

2.Gaming Apps:

Fortnite: Generating revenue through in-game purchases, battle passes, and collaborations with brands for exclusive content.
Candy Crush Saga: Monetizing through in-app purchases for power-ups, lives, and ad-based rewards.

3.Streaming Services:

Netflix: Providing subscription-based streaming without ads and investing in original content to retain and attract users.
Hulu: Offering ad-supported and ad-free subscription models, with targeted ads based on viewer preferences.

4.E-commerce Platforms:

Amazon: Leveraging personalized product recommendations, sponsored listings, and Prime membership perks for revenue.
Ali Express: Utilizing flash sales, affiliate marketing, and sponsored listings to drive sales and revenue.

5. Finance and Investment Apps:

Robinhood: Earning through premium subscriptions, margin trading fees, and payment for order flow.
Acorns: Utilizing subscription models, investing features, and partnerships with brands for cashback rewards.

6. Fitness and Wellness Apps:

Peloton: Monetizing through equipment sales, subscription-based workout classes, and targeted ads for fitness gear.
MyFitnessPal: Offering premium subscriptions, personalized meal plans, and partnerships with health brands for revenue.

7.Productivity and Collaboration Tools:

Slack: Generating revenue through paid plans for larger teams, advanced features, and integrations with third-party apps.
Trello: Monetizing through premium plans for businesses, team collaboration features, and integrations with other tools.

These apps exemplify different strategies such as in-app purchases, subscription models, targeted advertising, and partnerships to generate high earnings in their respective categories.