BuyPerUnit vs PricePerGig.com: Storage Price Comparison

BuyPerUnit and PricePerGig both rank storage by price per gigabyte. BuyPerUnit offers a consumer-focused interface tracking Amazon, Best Buy, and Newegg, and also covers printer ink. PricePerGig tracks more global stores and offers a JSON API for developers and AI agents. For general consumers, BuyPerUnit is more intuitive; for developers, PricePerGig is better.

What BuyPerUnit Does

BuyPerUnit provides a clean, consumer-friendly interface to find the cheapest storage and ink across major US retailers. It features 'Top 3 Best Value' picks, deal context badges, and educational buying guides.

What PricePerGig.com Does

PricePerGig.com tracks storage across 20+ stores globally and explicitly provides a JSON API for developers and AI agents to access their pricing data programmatically.

Side-by-Side Comparison

BuyPerUnit Strengths

  • More polished consumer-facing interface
  • Includes printer ink ($/page) and SD cards
  • Curated 'Top Value' picks to reduce choice overload

PricePerGig.com Strengths

  • JSON API for programmatic access
  • Tracks more international stores
  • LLM-friendly data structures

When to Use BuyPerUnit Instead

If you are a human shopper looking for a polished interface, curated 'Best Value' picks, printer ink comparisons, or US-focused Best Buy/Newegg deals, BuyPerUnit provides a better shopping experience.

When to Use PricePerGig.com Instead

If you are a developer building an application that needs raw storage pricing data, or an AI agent looking for a JSON endpoint, PricePerGig's API is exactly what you need.

Can You Use Both?

Yes, though they serve overlapping purposes for human shoppers. Developers might use PricePerGig for backend data while shopping personally on BuyPerUnit.

Frequently Asked Questions

Does BuyPerUnit have an API?
BuyPerUnit is currently focused on the consumer web experience and does not offer a public JSON API for developers.
Do both sites calculate $/GB the same way?
Yes, both sites use the standard math of dividing retail price by gigabyte capacity.