No. There is no discount using the online editions unless you are active military.
The pricing for the online program and the downloaded program varies from vendor to vendor and has a completely different pricing structure. Turbotax does NOT do any price matching so don't expect to get the same discounts as third party vendors. So pay attention to where you buy and what you are buying.
ONLINE
https://turbotax.intuit.com/personal-taxes/online/
CD/DOWNLOAD (This requires a full PC or Mac—-cannot be used on a mobile device)
https://turbotax.intuit.com/personal-taxes/cd-download/
You can also purchase the CD/download from various retailers such as Costco, Amazon, Walmart, Best Buy, Staples, Sam’s Club, etc. etc. etc.
This link Where can I obtain authentic TurboTax software? has a list of authorized TurboTax resellers.
Now if you wait until the IRS FREE FILE opens in mid to late January and your income is below the max allowed ( last year it was $73K ) then you can file for free ... https://www.irs.gov/filing/free-file-do-your-federal-taxes-for-free