Between Ripple and Litecoin are both good altypoints to make investments for the future, but I personally tend to litecoin, now it seems litecoin is on the rise maybe the selling price is high, but the choice remains in your hands where to invest.
yes, I also prefer Litecoin I think Litecoin has the potential to be bigger in the future, I see the price of Ethereum is quite stable so it is suitable for investment in the long term, Ripple is also a good coin but I do not really like it.