Shoppers, households and careful buyers

Shopping & decisions tools

Compare unit prices and stacked discounts before spending. Normalise prices and discounts so differently presented offers are easier to compare. The lowest number is not always the best fit when quality or waste differs.

4free tools in this category.

Choose a tool

Clear inputs. Useful outputs.

Every result stays on your device unless a page explicitly says otherwise.

Free

Subscription cost comparer

Compare monthly and annual subscriptions after discounts, setup fees and expected use.

Shopping & decisions
Free

Discount calculator

Apply one or two sequential discounts and see the final price, saving and effective rate.

Shopping & decisions
Free

Unit price calculator

Compare differently sized packs by price per item, gram, kilogram, millilitre or litre.

Shopping & decisions
Free

Product comparison scorecard

Compare products with the same price, quality, feature and ease-of-use criteria.

Shopping & decisions

Popular tasks

Compare the full decision, not only the headline price.

What this category helps with.

01

Start with the real question

Compare unit prices and stacked discounts before spending.

02

See the method

Inputs, formula or processing method, examples and important limitations are explained on every tool page.

03

Use the answer with context

Normalise prices and discounts so differently presented offers are easier to compare. The lowest number is not always the best fit when quality or waste differs. Tools give an estimate or transformation; you remain in control of the final decision.

Need a deeper workflow?

Move from a quick answer to a reusable business result.

The Premium suite adds 20 advanced forecasting, audit, data and document tools. Guests can try 1 run; a verified free account gets 3 per rolling 24 hours.

Try a Premium tool