How Long

Content rating
Everyone
5+
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Content rating
Everyone
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About this app

Ever wondered how much dog food you buy every month, or how long a tube of toothpaste actually lasts?

How Long helps you track everyday purchases, from pet food to skincare, so you always know when to restock and how much you're really spending over time.

WHAT YOU CAN DO
• Log a purchase with a name, category, price, and date in seconds
• See at a glance how many days it's been since you bought something
• A simple color-coded bar shows if an item is fresh, running low, or likely already gone, based on how long it lasted last time
• Get the estimated cost per month or per day for anything you buy regularly
• Browse your purchase history, and undo a mistake in one tap
• Get a monthly summary: total spent, purchases by category, average duration by category, and how it compares to last month
• Pick a custom icon for each category so your list is easy to scan
• Available in English and Portuguese (Brazil), with local currency formatting

How Long is built by a solo independent developer. Feedback is always welcome.
Track how long your purchases last and what they really cost you.
Updated on
Sep 21, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • No data collected
    Learn more about how developers declare collection
Content rating
Everyone
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App support

About the developer
LUCAS CESAR FERREIRA DE MEDEIROS
luckcfm@gmail.com
Brazil