[Appirater setDebug:YES];
// set up Appirater
[Appirater setAppId:@"640450429"];
[Appirater setUsesUntilPrompt:1];
I also tried 0 and -1 for the uses until prompt. Alternatively I tried setting
[Appirater setDaysUntilPrompt:0.0001];
kAppiraterRatedCurrentVersion
kAppiraterDeclinedToRate
[Appirater setAppId:@"640450429"];
[Appirater setUsesUntilPrompt:0];
[Appirater setDaysUntilPrompt:0.0001];