The best alternatives to Fred are Thirstie, Thrive Market for iOS, and GasBuddy. If these 3 options don't work for you, we've listed a few more alternatives below.
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Notion— Get over $6,000 worth of Notion + unlimited AI, for free
This API lets you compare hotel room prices from more than 200 websites like agoda.com, booking.com hotels.com,amoma.com,etc. Response will consist of top 3 vendors along with the best vendor. Address reviews, ratings features, etc are the part of JSON response. This API is simple to implement so you can keep smiling.