Question: I need a service that allows me to create custom, interactive maps for my location-based app.

If you need a service to build custom, interactive maps for your location-based app, Mapbox is a great option. This location intelligence platform offers APIs and SDKs for customizable maps, sophisticated navigation, location search and rich geospatial data. It can handle interactive maps with constantly updating data and has features like sophisticated routing engines and traffic-based travel times. Mapbox is used by industry heavyweights and has a wealth of developer resources, including migration guides, API documentation and example code.

Another good option is Geoapify, which offers a broad range of APIs for building location-based apps. It has advanced tools for mapping, geocoding, route optimization and spatial analysis. With Geoapify, you can create interactive vector and raster maps, optimize routes and spatial data analysis. The service gives you full control over generated data and offers flexible pricing tiers, including a free tier with 3,000 credits per day.

If you want to go more AI, Textomap could be helpful. This service uses artificial intelligence to extract locations from text-based information and lets you create, customize and embed maps. Textomap works in multiple languages and lets you export data in CSV and Google Maps formats, so it's good for schools, content creators and travel agencies.

Last, CARTO offers a cloud-native location intelligence platform to help you analyze, visualize and build applications with spatial data at large scale. With a drag-and-drop interface and more than 100 pre-built analysis components, CARTO is a good way to tap into spatial analytics and visualization. It's designed for large-scale app development, and you get access to a large library of geospatial data, too, so it's a good option for companies that want to improve their business insights and decision making.