What are some alternatives?
When comparing TrackIf and Lolli, you can also consider the following products
PriceCute - Keep up with your competition's pricing on Amazon
Visa Price Protection by Earny - Automatically get money back on Visa purchases
Mac Buyer's Guide - Recommendation on when to buy Apple products
Paribus - Find out for free if online stores owe you a refund!
The Mac Index - Compare Apple product prices in different countries
Stripe - Online payment processing for internet businesses. Stripe is a suite of payment APIs that powers commerce for online businesses of all sizes. Use Stripe’s payment platform to accept and process payments online for easy-to-use commerce solutions.