Where did you see an offer for "Quicken?" Are you sure you were not seeing a free offer for QuickBooks Self-Employed if filed by April 15, 2019? If it was really Quicken (which is no longer an Intuit company), please explain exactly where you saw it.
MAX is not a product edition, but is an optional add-on feature to a TurboTax product. What TurboTax product did you buy? Did you buy Online TurboTax or desktop software, and which edition?
FAQ: What is MAX?
https://ttlc.intuit.com/community/choosing-a-product/help/what-is-max/01/26700
Underneath your question above, it says you are using "Self-Employed Online." Is that what you used for your 2018 return? If so, see if this FAQ below explains your offer, or was it something else?
FAQ: I was offered QuickBooks Self-Employed at no additional cost when I got TurboTax Online Self-Employed – Can you tell me more?
https://ttlc.intuit.com/community/choosing-a-product/help/i-was-offered-quickbooks-self-employed-at-...
