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Crashdamage: That
You are probably right but
If it were a security risk, it would get trashed fast and removed from app sites. Power users and Devs don't play around, and are aware of these things.
People write free apps for a number of reasons...
1) To solve a problem they had, now they are sharing it for everyone.
2) Fame
3) Ads $ in the free versions.
4) A way to test the app to see its cool, then pay for PRO for more good.
5) Advertising their skills.

... Or you could try something really radical: ES's contact details are available, so you could just ask them "since your products are free and not ad supported, how do you fund development?". You never know, you might get a straight answer.

You are probably right but… (pursuing my paranoia) Why should a company make four great free apps (everyone of them being security related so having high access privileges) and be selling nothing…?
Suppose the app only transmits your accounts and passwords, could this have been easily detected?
As you can see for my bad English, I