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Frank Herrmann, CEO at Koldrock Waters:

Saved me a fortune over the expensive rates of my old online marketing company. Amazing services at a reasonable price. Highly recommended.

We also have a project called random code generator for Survey Monkey and Mechanical Turk Applications here










Smart and profitable solutions for medium and small business.










We never stop working for your success, every single day!


About us

We continually strive to be a great company. Our company is committed to providing high-quality products and services to our customers for reasonable rates.

We conduct research and participates in a number of initiatives to constantly develop our sector of the industry and to contribute to society. Deff Logic is implementing a strategy to accelerate growth through Logical marketing. No more wasting money advertising where your customers are not.