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Several showed up in the top business category, I picked one at random. I don't wish to endorse something I haven't used much nor have a basis for comparison.

One thing about its operation that pleased me was it did a much better than expected job of removing the distortion from the page, one thing you won't get from just a photo. I did like the OCR feature, too.

The others claimed to do the same thing.

Almost all apps seem to handle page orientation and correct it. However, I haven't come across any which can handle page curvature (like scanning a page from a book, instead of a single page document).

This one seems to do a credible job of fixing the curvature (what I meant by distortion).

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