Based on our record, IQDB seems to be a lot more popular than Barcode to PC: Wi-Fi scanner. While we know about 66 links to IQDB, we've tracked only 1 mention of Barcode to PC: Wi-Fi scanner. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
A post containing non-OC artwork should link the original source in the comments. "Art" post should credit the artist in the title. Original source should link to the artist's own post of the artwork and not from image aggregating sites such as Pinterest, Zerochan, Danbooru, etc. If you cannot find the original creator, then please try using SauceNAO or IQDB. Do not repost an art if its artist does not allow repost. Source: 7 months ago
Non-OC artwork post should credit the artist in the title and should link the original source in the comments. Original source should link to the artist's own post of the artwork and not from image aggregating sites such as Pinterest, Zerochan, Danbooru, etc. If you cannot find the original creator, then please try using SauceNAO or IQDB. Make sure that the artist allows repost. Source: 10 months ago
Removed, rule 5 warning: you must be prepared to provide the source artwork/artist in the comments when submitting. Please use SauceNAO or IQDB to help you. Source: about 1 year ago
When posting art you didn't make, credit the original artist in the title and provide a source link. Provide the URL to the original post made by the artist or link the artist's primary platform. If you cannot find the original creator, then please try using SauceNAO or IQDB. Source: about 1 year ago
Please try to provide the source for fan art. Iqdb and Yandex are good tools for helping you find a source. Source: about 1 year ago
If you don't want to install them, you could also use Barnite to scan their barcodes to add them more quickly. Works well with something like Barcode to PC (installed on both your PC and phone). Source: about 1 year ago
SauceNAO - SauceNAO is a reverse image search engine.
ZXing - Barcode Scanner for Android
TinEye - Reverse Image Search to help find an image's source, duplicates or altered versions.
QR Droid - QR Droid Zapper
Yandex.Images - search for images on the internet, search by image
QuickMark - QuickMark makes everything possible.