Its the same profitable but there are advantages on both IEO and ICO, the ICO is good but despite its long time before listed on exchangers and IEO has the advantage caused it already list om exchanger you only need is to buy and wait for open trading,you can visit yanu IEO on this link https://exmarkets.com/launchpad and try to make an review and buy tokens it has a good platform and has a good product a reliable and legit team that you can ask for.