Claiming into wallet:
If you claim rewards into your wallet, the claimed STRNGR are moved into your wallet upon completion of the transaction. The rewards in the app are reset at after a Claim or Claim All transaction is completed for that NaaS subscription.
Claiming into StrongPool:
If you claim rewards into the StrongerPool, those newly claimed rewards in STRNGR are put into that mining pool. That StrongerPool will then allow you to earn additional rewards for the STRNGR that you mined into the StrongerPool.
Note that mined tokens cannot be used to sign up for a new NaaS subscription.