Should MindNode still be in Viewer Mode ( MindNode 5/6) or Free Editor (MindNode 7 or later) after you made the purchase or after reinstalling it on a new device, even so, you purchased it previously: there are two possible solutions. 

I. Restore Purchase

macOS
1. Go to the MindNode main menu on top of your screen
2. Click on MindNode
3. Locate the entry Restore Purchase… and click it. 

iOS
1. Open MindNode
2. Tap on Settings (indicated with the little gear icon)
3. Locate the entry Restore Purchase… and tap on it. 

II. Reinstall from Purchased section in the App Store

macOS
1. Open the App Store app
2. Click on the account icon in the lower-left corner
3. Locate the entry "Purchased"
4. The MindNode version you purchased should be in this list; locate it and click the download icon next to it. 

iOS
1. Open the App Store app
2. Click on the account icon in the upper right corner
3. Locate the entry "Purchased"
4. The MindNode version you purchased should be in this list; locate it and click the download icon next to it. 

III. Ensure iCloud is enabled

The subscription information for MindNode Plus synchronizes via iCloud. Therefore, if you subscribed and want to use MindNode on multiple devices associated with your Apple ID, you have to enable iCloud.

macOS
1. Open the System Preferences app
2. Click on Apple ID icon in the upper-right corner
3. Click "Options..." next to iCloud Drive
4. Scroll the list until you find MindNode and make sure the box next to it is checked.

iOS
1. Open the Settings app
2. Tap on the Account banner at the top
3. Tap on iCloud
4. Scroll the list until you find MindNode and make sure the toggle is switched.

If this is for some reason not possible please contact our support team for a workaround.