Is there an app like SelfControl (for mac) for the iPhone?

The SelfControl app for mac, which blocks sites on your "blacklist" that contribute to your unproductivity (twitter, facebook, youtube, etc.whatever you want) is so helpful to me. However, i find myself going on my iphone and going on twitter/fb/instagram/etc… Is there a similar iphone app that can block me from these for a certain amount of time?

Yes, of course there's! You can try to use some apps like Mobile Nanny Some mobile phones have app restrictions to block certain app from running on the phone. But there's no website filtering feature.

If you want to block websites on mobile, you can use some third-party apps like Mobile Nanny.

I have installed Mobile Nanny onto my kid's iPhone which owns the features below:
Block websites/apps/specific phone numbers
Record text messages
Track call information
Monitor social media
Track GPS location
Get SMS commands for phone activities

Hope it helps.

Usually, Mobile Spy Software may have the features below:
Records text messages
Track call information
Monitor social media
Track GPS location
Block apps
Get SMS commands for phone activities

http://www.spy-mobile-phone.com