You can update your Planta app to the latest version by following the steps below:

On Apple iOS:

1. Search for the Planta App in the App Store on your iPhone.
2. Once you locate the app, tap the "Update" button on the right side to download the latest version.
3. You will see the Planta icon on your phone turn grey, and a circle will appear showing the download/install progress.
4. Once it's complete, tap the Planta icon to be taken to the updated app!

On Android:

1. Open the Google Play Store
2. Locate the Planta app - you can either search it in the search bar or tap the left-hand corner and select "My apps"
3. If there is a new update available for Planta, it will appear under the first list, labelled "Updates"
4. Just tap "Update" next to Planta, and the app will start downloading and installing the latest update
5. You can also enable automatic updates in your Play Store settings