Is there any proverb which has the same meaning in English?
Free vinegar is sweeter than honey.
Vinegar that is free, is sweeter than honey.

It means that you like free things even if they are bad or tasteless.

If I say like this, Is it natural?

Free things is always taste better.I corrected it. "Free things are always taste better."

Question

Is there any proverb which has the same meaning in English?
Free vinegar is sweeter than honey.
Vinegar that is free, is sweeter than honey.

It means that you like free things even if they are bad or  tasteless.

If I say like this, Is it natural?

Free things is always taste better.I corrected it.  "Free things are always taste better."

Answer

By the way, can you say it in Turkish please?

Answer

In Persian, they say: "مفت باشه، کوفت باشه" :d 
everybody likes freedom! :d
I think there should be a proverb or something in English to refer to this fact.

although, in these kind of situations, you can simply say "It's better than nothing!"      I guess!

Answer

The best things in life are free.

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