A kitchen sponge used for two weeks reaches a higher bacterial density than a toilet seat. Replacing it every two weeks prevents spreading bacteria onto clean dishes.
Even slightly splayed bristles reduce plaque removal efficiency by nearly 40%. Because bacteria thrive at the damp base of bristles, dental associations recommend monthly replacement.
Water filter cartridges, electric toothbrush heads, razor blades, range hood filters, and refrigerator ice maker filters are just a few of the many everyday items whose hygiene and performance degrade without regular replacement.
Because replacement intervals vary from days and weeks to months or years, it is easy to forget when an item was last changed—or realize you are out of spares right when you need one.
Replenish centralizes the lifecycle of all your household consumables, automatically calculating both the next replacement date and your advance restock reminder date.
Simply enter the replacement cycle and last replaced date. Replenish calculates both the next due date and an advance restock date so you never run out of spares on replacement day.
See all upcoming replacement dates and restock reminders mapped across a monthly calendar—perfect for planning shopping runs and weekend chores.
Explore recommended cycles and wear-and-tear signs based on microbiological research and manufacturer guidelines, with one-tap item registration.
Save filter and blade model numbers for one-tap copying, and jump directly to Amazon search results to reorder without hassle.
Keep a chronological log of all past replacements, with full CSV export and import support for easy backup and device migration.
Zero registration required. All data is saved locally inside your browser’s LocalStorage, keeping your household data completely private.
Replace bacteria-prone dish sponges (every 2 weeks) and water purifier cartridges (every 2–3 months) on a sanitary schedule.
Prevent reduced plaque removal from frayed toothbrushes (1 month) and skin irritation from dull razor blades with timely alerts.
Manage humidifier filters and refrigerator ice maker filters prone to mold and biofilm buildup, protecting your indoor air and water.
Prevent multi-year disaster preparedness supplies (3–5 years) from expiring unnoticed and maintain an effortless rolling stock.
We never forget when we last changed our toothbrushes or water filter anymore. Checking the dashboard makes replacing items on the spot effortless.
Looking up shaver blade part numbers used to be a hassle. Copying the model number in one tap and ordering on Amazon saves so much time.
Replenish tracks 3-to-5-year expiration dates without fail, helping us rotate emergency water and food supplies with zero waste.
Yes, Replenish is 100% free. Item registration, automatic due-date calculation, hygiene guides, calendar view, history logs, and CSV export are all available at no cost.
No. You can use every feature immediately in your browser without entering an email address, password, or creating an account.
Never. Replenish stores all registered data strictly inside your browser's local storage (LocalStorage) on your device.
Yes! Replenish supports PWA installation. Use "Add to Home Screen" in iOS Safari or "Install App" in Android Chrome to launch it full-screen like a native app.
Yes. From the Data Management menu, you can export your registered items and replacement history as a CSV file and import it on your new device.
They are based on official manufacturer manuals, dental and public health association guidelines, and peer-reviewed microbiological research, balancing household hygiene and durability.