Here are several ways you can consider to start making money with your City Guide Franchise App:

Subscription Model

In-App Advertising

Sponsored Content

Affliate Marketing

Local Services Integration

Business Directory

E-Commerce Integration

User generated Content Fees

Data Analytics and Insights

Social Media Content

Remember the success of your monitisation strategy will depend on various factors, including the quality of the content on your app, its user base, the value it provides and the competitiveness of the market.