Postacard - Text a photo to send it as a postcard for $3.
Seek by iNaturalist - Seek by iNaturalist is an education application that uses the power of images recognition technology to identify nature all around the world.
Felt for iPhone - Handwritten cards for the modern world
iPflanzen - iPflanzen is an application that comes with the most simplified way to identify forests, gardens, and parks via a simple identification key.
NanaGram - Text your photos and we'll mail 4x6 prints to your Nana.
Pl@ntNet - Pl@ntNet is an intelligent tool that allows user to identify the plats based on pictures with the help of your smartphone.