LTC is stuck to lite version of Bitcoin motto. Ethereum is being actively refined and updated and Ethereum is the prime fuel for ICOs.
Both coins are great and still profitable. But I believe Ethereum would be more beneficial than Litecoin in the long run.
If we look at the growth of the etherium in the long-term dynamics, now we see a long-term stable level of $ 300- $ 350 for 1 ETH, which was preceded by active growth. On such a course the etherium is held, despite all the feverish transfusions of funds in bitcoin and its derivatives