← Open App Replenish · Replacement Cycle Manager

About Replenish

Visualize household replacement cycles and maintain a clean, healthy, and waste-free home with smart reminders.
$0
100% Free
Zero setup or monthly fees
✓
No Sign-Up Required
Ready to use immediately in browser
🔒
100% Local Storage
No cloud uploads · Complete privacy
Dashboard Preview
Simple, Intuitive Management
Track remaining days and restock status for every household item at a glance.
2 Days Left (Due Soon)
Dish Sponge
Cycle: Every 2 Weeks
Next: Nov 3 Replaced Today ✓
Restock Window (Check Stock)
Water Filter Cartridge
Model: HGC9SW
Reorder on Amazon → In Stock
On Track (24 Days Left)
Electric Toothbrush Head
Cycle: Every 1 Month
Next: Nov 25 View Details

Eye-Opening Facts Behind Everyday Consumables

⚠️ Kitchen Sponges (Recommended: 2 Weeks)

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.

⚠️ Toothbrushes (Recommended: 1 Month)

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.

How Replenish Transforms Your Routine

✕ Common Frustrations
  • Forgetting when an item was last replaced and leaving it for months
  • Running out of spare filters or blades right when you want to swap them
  • Having to look up obscure part numbers every time you reorder
  • Family members not knowing who replaced what or when
✓ With Replenish
  • Next due dates are calculated automatically and shown on your dashboard
  • Advance restock reminders notify you before you run out of spares
  • One-click model number copy and instant Amazon search make reordering fast
  • One tap on "Replaced Today" logs your history and resets the cycle

6 Core Features to Simplify Home Maintenance

1. Auto Due Date & Lead-Time Calculation

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.

2. Monthly Calendar View

See all upcoming replacement dates and restock reminders mapped across a monthly calendar—perfect for planning shopping runs and weekend chores.

3. Science-Backed Replacement Guides

Explore recommended cycles and wear-and-tear signs based on microbiological research and manufacturer guidelines, with one-tap item registration.

4. Model Number Storage & Instant Reorder

Save filter and blade model numbers for one-tap copying, and jump directly to Amazon search results to reorder without hassle.

5. Replacement Timeline & CSV Export

Keep a chronological log of all past replacements, with full CSV export and import support for easy backup and device migration.

6. No Account Needed · 100% On-Device

Zero registration required. All data is saved locally inside your browser’s LocalStorage, keeping your household data completely private.

Recommended Use Cases by Category

Kitchen & Bath
Dish Sponges / Water Filter Cartridges / Kitchen Cloths

Replace bacteria-prone dish sponges (every 2 weeks) and water purifier cartridges (every 2–3 months) on a sanitary schedule.

Healthcare & Beauty
Toothbrushes / Electric Brush Heads / Shaver Blades

Prevent reduced plaque removal from frayed toothbrushes (1 month) and skin irritation from dull razor blades with timely alerts.

Appliances & Home Facilities
A/C Filters / Humidifier Filters / Ice Maker Filters

Manage humidifier filters and refrigerator ice maker filters prone to mold and biofilm buildup, protecting your indoor air and water.

Emergency & Safety
Emergency Food & Water / Batteries / Portable Toilets / First Aid

Prevent multi-year disaster preparedness supplies (3–5 years) from expiring unnoticed and maintain an effortless rolling stock.

What Users Are Saying

★★★★★
"Easy for the whole family to stay in sync"

We never forget when we last changed our toothbrushes or water filter anymore. Checking the dashboard makes replacing items on the spot effortless.

Couple in their 30s · Dual-income household
★★★★★
"Model number copy & Amazon search are so handy"

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.

Professional in their 20s · Solo apartment
★★★★★
"No more expired emergency food rations"

Replenish tracks 3-to-5-year expiration dates without fail, helping us rotate emergency water and food supplies with zero waste.

Parent in their 40s · Emergency Prep
$0
100% Free
0 sec
No Sign-Up
40+
Hygiene Guides
100%
Local Storage

How It Works (3 Simple Steps)

  1. Register Items: Select from the built-in preset catalog or enter a custom item name and replacement cycle.
  2. Check Due Dates: Review "Due Today" and "Restock Window" statuses on the dashboard or monthly calendar.
  3. Log Replacements: Tap "Replaced Today" once you swap an item—your next due date updates automatically.

Frequently Asked Questions (FAQ)

Q Is Replenish completely free to use?

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.

Q Do I need to register an account or log in?

No. You can use every feature immediately in your browser without entering an email address, password, or creating an account.

Q Is my registered data ever sent to an external server?

Never. Replenish stores all registered data strictly inside your browser's local storage (LocalStorage) on your device.

Q Can I install Replenish on my smartphone home screen?

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.

Q Can I transfer my data when switching to a new phone?

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.

Q How are the recommended replacement cycles in the guides determined?

They are based on official manufacturer manuals, dental and public health association guidelines, and peer-reviewed microbiological research, balancing household hygiene and durability.

Make Home Maintenance Effortless Starting Today.

Start by registering just one everyday item—like your kitchen sponge or toothbrush.

Open Tracker →