Jasper doesn't have a downloadable app at the moment. However, you can add the web-app bookmark to your Home Screen if you're using an iOS or Android device, and it operates just like an app.
To add Jasper to your Home Screen, follow these steps:
iOS device
If you're using an iOS device:
Open Safari and go to the Jasper website
Select the Share Icon from the bottom (the page with an up-pointing arrow shown below)
3. Select Add to Home Screen and add
4. The tile will be added to your home screen.
Android device
With an Android device:
Open your browser and go to the Jasper website
Press the Settings button (3 vertical dots on the top right of the screen)
Press the star symbol—where you can edit the page name and choose a folder to save it to
Go back to the browser settings menu, and open the Bookmarks folder. Select the Jasper bookmark which will give a list of options
Select 'Add to Home Screen'