Here's the onboard credit info with Simply More. This is less than what OLife offers. For example, a 10-day cruise under OLife comes with 6 excursions per stateroom, each up to $199.
7-9 Days: $600 Per Stateroom
10-13 Days: $800 Per Stateroom
14-18 Days: $1,000 Per Stateroom
19-24 Days: $1,200 Per Stateroom
25-30 Days: $1,400 Per Stateroom
31-35 Days: $1,600 Per Stateroom