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I will review your iphone app and positively rate it in app store
Developing your iPhone app? Want some user feedback? I'll positively rate your app in the US App Store
Additionally, I'll try your iPhone app for 1 day and give comments to you (from customer's POV) for improvement as a bonus
I'm iPhone user for years who have used over 1000 apps
If you want me to review your paid app, please buy one more service to cover the app's cost