Data Driven Forms provides basic mathematical comparators to compare values.
condition: {when: 'Foo',greaterThan: 10,}
condition: {when: 'Foo',greaterThanOrEqualTo: 10,}
condition: {when: 'Foo',lessThan: 10,}
condition: {when: 'Foo',lessThanOrEqualTo: 10,}