Hi Kusie,
I am happy to hear that you are happy with Aqua Mail. Also using the Pro version means that you are a paying user and ads are not served in the Pro version.
Regarding the trackers, I am a bit puzzled. We use for ads Google Admob, Facebook ads, Inmobi and Mopub and Adjust for tracking marketing spend which is deactivated for Pro users. Admost and Firebase are used for in-app analytics of user behavior like session duration and number of active users. All of the partners we are using within Aqua Mail and the other MobiSystems apps can be seen listed in the Privacy policy here:
https://www.aqua-mail.com/privacy/https://www.mobisystems.com/en-us/privacy-policy/All the other listed trackers like AdColony, Moat, Unity3Ads etc are not familiar to me and why they are being listed as being part of Aqua Mail. As far as I see these are also ad serving or ad fraud prevention companies. I assume that they might be part of Admob and our other advertising partners.
In addition, you can always switch off all analytics data being sent to us by deselecting the option in Settings-About-Send usage statistics.
Also, Aqua Mail doesn't have the power to scan and/or read any emails and send them to anybody- we do not have a "spy software" as you mention. We are not connected to Russian, American, German, Iranian, Chinese or ANY government- we are an independent developer.
-Michael