More Growth Rate before ICO: limited coin is available for distribution to user in ICO and as supply about to finish that time price of each coin also hiked
Huge Growth Rate After ICO: Once ICO of any coin is finished then it listed on coinmarketcap.com and due to thousand of user makes investment which result huge growth in market cap value means there is growth in Price also, as there over 5000% growth rate was also seen in many newly launched cryptocurrency price.
Better Feature & Faster Performance: old cryptocurrency such as Bitcoin, Litecoin, Ethereum do not have advanced feature in which if there is sudden growth in user then it affecting speed of Blockchain but in newly launched coin as number of user increase it started working more faster than top cryptocurrency.
No Worry About Maximum Supply: right now many top cryptocurrency falling with huge percentage after reaching to all time highest just because limited maximum supply, so many newly launched coin concentrating on Maximum Supply means in future they will survive in such cryptocurrency crash.
Cryptocurrency Crash Do not Affect: there is term cryptocurrency crash in which every top cryptocurrency prices falling with huge percentage, as early days somewhere in beginning of 2017 crash occurs very rare like comes in 3 to 4 month of time interval but from February 2018 there in just one month there are 2 to 3 cryptocurrency crash happening which only affect top cryptocurency but in that crash time many newly launched coins showing steady growth rate.
User can Buy Products or other Stuff: right now many cryptocurrency is launched with own market place like Siacoin is offering cloud storage in very cheaper rate than Amazon and google, Kodak Coin enable to selling and buying Photographs and allow to make license or copyright claim.

Note: Ignore English, thanks for reading, keep investing!