Based on our record, Camelcamelcamel seems to be a lot more popular than Proof. While we know about 398 links to Camelcamelcamel, we've tracked only 1 mention of Proof. 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.
I've used https://useproof.com/ before, and it worked really well, and increased conversions about 8%. Source: over 2 years ago
Just to mention: you can use camelcamelcamel.com to track a price as listed at Amazon.com, as the item is listed on an Amazon.com product page. Not fooproof, but helpful. :). Source: 6 months ago
Go to camelcamelcamel.com and there you can see Amazon price changes through time. Just put the ASIN number in the search and you'll see price changes. Source: 8 months ago
For historical pricing, please use sites like https://camelcamelcamel.com/ or search the subreddit history. Source: 8 months ago
Just curious, for Amazon specifically does this service capture price changes that don't appear on https://camelcamelcamel.com? - Source: Hacker News / 9 months ago
Loads normally, no delay or blocking - https://camelcamelcamel.com/. - Source: Hacker News / 10 months ago
Fomo - Fomo turns your site into the online equivalent of a busy store
Keepa - Price history charts and the option to be alerted on price drops for all Amazon sites.
Nudgify - Nudgify is a Social Proof App that includes FOMO, Urgency and Review Nudges. Adding Social Proof notifications to your site helps you build trust and increase conversions on Shopify, Wordpress or any other platform.
Helium 10 - Our software contains multiple Amazon seller tools to help you find high ranking keywords, identify trends, spy on competitors, & optimize product listings.
Picreel - Recover abandoning visitors and turn them into customers
Jungle Scout - Amazon product research made easy.