Genadiy, thank you for exceptional software! Very glad I got rid of Frase that was here earlier.
If you spend time with the tool, you would know its strengths. If you haven't, and you need to blog - you are committing a crime against yourself :)

Few wishes:
1. Can you please increase the limits of research documents per month. 20 are too few, and not enough to perform research on several complex topics. At least 30 topics won't bring much incremental weight in terms of processing or storage needed, yet they will significantly improve the ability to use your tool. For my needs, at least 1.5 or 2 per day is needed, beyond that - the tool seems to be considered handicapped. That is just for 1 blog, and I have 3 of them.
2. As you are limited to having one code as the marketplace app, can you please offer in-app purchase of the upgrade (lifetime basis) of the limits - a bit higher (to reward bulk purchases)

Thank you!