Based on the search results, there are several plant identification apps that are free to use. These include:
- PictureThis - Plant Identifier
- PlantNet
- PlantSnap - identify plants
- Plant.id
Its worth noting that some of these apps offer premium versions with additional features that require payment. However, the basic identification functionality is free. Additionally, some users have reported being able to use certain apps for free without paying for the premium version, such as PictureThis. Overall, there are several free plant identification apps available for use, each with their own unique features and levels of accuracy.
