If you invested on IOTA you cannot expect this coin as comparing like bitcoin and all. You may expect this as one of the successive altcoin but still you cannot get the big profit with IOTA.
RAIBLOCKS (XRB) is also a Tangle and can be used for Person-To-Person transactions. And it's faster than IOTA and Ripple.
I think very long term, IOTA might have a greater future but RaiBlocks is up 6000% in the last month and will be a top ten coin soon. I think it will go up at least 10 X more in 2018. Here is a great article comparing RaiBlocks to IOTA,
https://hackernoon.com/iota-vs-raiblocks-413679bb4c3eAlso an article that says the RaiBlocks is the MOST FUNDAMENTAL CHANGE TO CRYPTOCURRENCIES SINCE BITCOIN:
https://www.bitcoinbeginner.com/blog/what-is-raiblocks/