BuyPerUnit vs Honey: Which Saves You More Money?

BuyPerUnit and Honey work at completely different stages of the shopping process. BuyPerUnit helps shoppers decide which product to buy by ranking options by price per unit ($/GB for storage, $/page for ink) across multiple retailers. Honey helps shoppers pay less for a product they have already decided to buy by automatically testing coupon codes at checkout. For finding the objectively best-value storage or ink product, BuyPerUnit is the right tool. For saving a few dollars on any online purchase, Honey is useful.

What BuyPerUnit Does

BuyPerUnit is a pre-purchase research tool. It compares thousands of storage devices and printer ink cartridges by cost per unit ($/GB and $/page) across Amazon, Best Buy, and Newegg. BuyPerUnit helps shoppers choose the right product before they ever reach a checkout page.

What Honey (PayPal) Does

Honey is a browser extension (owned by PayPal) that automatically applies coupon codes at checkout on thousands of e-commerce sites. It works after you have already chosen a product and are about to pay.

Side-by-Side Comparison

BuyPerUnit Strengths

  • Finds better products, not just better coupons
  • Compares across retailers to find the lowest price before checkout
  • Purpose-built unit pricing for storage and ink — deeper analysis

Honey (PayPal) Strengths

  • Works on thousands of e-commerce sites automatically
  • Zero effort — browser extension tests codes at checkout
  • Covers all product categories, not just storage

When to Use BuyPerUnit Instead

If you are specifically shopping for storage devices or printer ink and want to find the product that delivers the most capacity per dollar, BuyPerUnit provides analysis that Honey cannot. Honey might save you $5 on a coupon — BuyPerUnit might show you a different product that saves you $50 by having a fundamentally better $/GB ratio.

When to Use Honey (PayPal) Instead

Honey is useful at checkout on almost any online store. If you shop broadly across many sites, Honey's coupon testing can save a few dollars on individual purchases. It requires zero effort once installed.

Can You Use Both?

Yes. Use BuyPerUnit to identify the best-value product, then let Honey try to find a coupon code when you check out at the retailer. The savings stack.

Frequently Asked Questions

Can Honey find cheaper storage per GB?
No. Honey applies coupon codes to reduce the checkout price of a specific product, but it does not compare products by price per unit or suggest a higher-value alternative.
Is Honey free?
Yes, Honey is free. It is owned by PayPal and monetizes through affiliate commissions and data from user shopping behavior.
Do I need a browser extension for BuyPerUnit?
No. BuyPerUnit is a standalone website. No browser extension, account, or installation is required.