AskToRate BUY for $10
Unity AssetStore

FEATURES

• A simple way to let your users rate your app!
• Remind me button: remind the user after x launches
• Never ask again: Window will never show up again.
• Once the user rated the app he will be reminded after the next update to please rate the new version!

Unity 3.5+, iOS Only

AskToRate displays a dialog window and asks the user to rate the app on the AppStore.

• Easy to set up, simple to use: just put the prefab in your main menu scene and insert your App ID!
• Works in normal and retina resolution (automatic detection, all images included)
• Full PSD file included for easy customization.

Full documentation included! Check it out here