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![Martin Polak](https://ph-avatars.imgix.net/1135654/original.jpeg?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=48&h=48&fit=crop&frame=1)
Martin Polak
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All in all, probably the best price to quality ratio in the market
Pros: Spam trap detection, accuracy, price
Cons: They could improve their customer support a bit
![Email List Verify](https://ph-files.imgix.net/866a0bb2-b959-4092-894f-4a3e6cd86e9c.png?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=48&h=48&fit=crop&frame=1)
Email List Verify
Remove hard bounces and email traps from your email lists
![Martin Polak](https://ph-avatars.imgix.net/1135654/original.jpeg?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=48&h=48&fit=crop&frame=1)
![Martin Polak](https://ph-avatars.imgix.net/1135654/original.jpeg?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=48&h=48&fit=crop&frame=1)
Martin Polak
left a comment
Good job, I like this tool. May I know how do you calculate (organic) keyword difficulty?
Ubersuggest 2.0
Neil Patel's free keyword research tool