Memory allocation bar stopped working

Email to the developer bounced back. Thats not a good sign.
The memory allocation slide had stopped working. The rocket and jet have disappeared. This was a great app when it worked. I think the problems started when I updated iOS to 8.4.1. Now running 9.2.1.
I have tried contacting the developers from the app and the link in the AppStore unsuccessfully.
This was a must have app so I hope to see an update soon.

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