By roll type, lane conditions might be a little ambitious.
But For doing comparisons there's:
Bowling This Months the:
At-a-Glance Ball Comparison Table
https://www.bowlingthismonth.com/bow...parison-table/
Bowling Ball Comparison Graph (But it's kind cluttered confusing)
https://www.bowlingthismonth.com/bow...parison-graph/
Bowling Ball Comparison (Type in ball name and it compares them.)
https://www.bowlingthismonth.com/ball-comparison
There was the Ball Review spreadsheet that I updated till I handed it off, But it ended a few months later when BTM stopped the printed magazine. But it still is a good archive and has a good format for ball compares.
https://docs.google.com/spreadsheets...fzo/edit#gid=0
Bowlingball.com's ball compare tool is useful, but is limited to 5 balls
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