I experimented with Tesseract OCR: https://github.com/rcarlsen/Pocket-OCR/ https://github.com/rcarlsen/Pocket-OCR/ In my field studies, I found it was not very

I experimented with Tesseract OCR: https://github.com/rcarlsen/Pocket-OCR/ https://github.com/rcarlsen/Pocket-OCR/ In my field studies, I found it was not very reliable. Text recognition would often fail even on printed receipts. Also, several of the restaurants I went to used hand-written receipts. So I ultimately decided against OCR. If it had worked well, I do think it would be a nice feature for the app.