MapComplete has more than 70 maps, each showing features within a certain topic. For example:

- Restaurants, including information about vegan, vegetarian, gluten-free and lactose-free options
- Shops
- Healthcare providers such as doctors, pharmacies, dentists, physical therapists...
- Vending machines
- Drinking water fountains
- Public bookcases
- Public toilets
- Defibrillators (AEDs)
- Bicycle pumps and bicycle shops
- Artworks and statues
- Benches
- Waste baskets and containers
- Pubs
- Playgrounds
- Charging stations
- Surveillance cameras
- Advertisement billboards
- Climbing gyms
- Schools
- Memorials
- Hackerspaces
- Ski pistes

When selecting an item, all the relevant information is shown in a user-friendly way. Unknown information can be easily added by answering the questions, which will be saved into OpenStreetMap directly (this requires a free account).

An (anonymous) review can be left for some types of features, hosted by https://Mangrove.reviews, a libre and open data review project.
Images are fetched from various sources, such as Panoramax, Wikipedia and Mapillary. New images can be contributed to Panoramax directly from within MapComplete.