# HomeKeep - Filter Reminder — AC, Water & Air Filter Alerts

> AC, Water & Air Filter Alerts (iPhone/iPad app by Ryo Tsudukihashi.)

- Source: https://appshunter.io/ios/app/homekeep-filter-reminder/id6778079517 (this page in markdown: same URL + `.md`)
- Developer: [Ryo Tsudukihashi](https://appshunter.io/developer/1320583602)
- Category: Lifestyle, Utilities
- Price: Free with in-app purchases
- Age rating: 12+
- Requires: iOS 17.0 · 6 MB
- Languages: American English, Japanese
- Released: 2026-06-12
- Data updated: 2026-08-23
- User reviews in markdown: https://appshunter.io/ios/app/homekeep-filter-reminder/id6778079517/reviews.md

## What is HomeKeep?

Forgot to replace your AC or water filter?
HomeKeep is a free app that tracks your home appliance filter replacement cycles and reminds you before they're due.

■ Solves these problems
- Forgetting to replace AC or air purifier filters
- Not remembering when you last changed the water cartridge
- Too many appliance filters to keep track of
- Realizing you haven't replaced a filter in months

■ Features
[Manage filters by appliance]
Air conditioner, air purifier, water purifier, humidifier, range hood, refrigerator, dishwasher, vacuum and more. Just pick a category and the recommended replacement cycle is set automatically.

[Sorted by what's due next]
Your filters are listed by replacement date, so you always know how many days are left.

[Replacement reminders]
Get notified 7 days before and on the day a filter is due.

[One-tap logging]
Mark a filter replaced with a single tap, and the next due date is set automatically.

[Save photos, model numbers & purchase links]
Register a photo and model number, then reorder the exact same part in one tap.

[Home screen widget]
See the filter due for replacement next, right on your home screen.

[Seasonal maintenance]
Keep your home in shape with seasonal checklists — clean the gutters, replace smoke detector batteries, and more.

■ Great for
- Anyone who uses air conditioners or air purifiers
- Water purifier and water server users
- Families with allergies or young children who care about air and water quality
- People who want their appliances to last

■ Pricing
[Free]
- Up to 3 filters
- Replacement reminders
- Widget

[Premium]
- Unlimited filters
- Save model numbers & purchase links
- Seasonal maintenance
- Ad-free

Clean air and water start with the filter. Never miss a replacement with HomeKeep.

■ Links
- Support: https://tsuzukit.com/contact/
- Terms of Use: https://tsuzukit.com/legal/terms-of-service.html
- Privacy Policy: https://tsuzukit.com/legal/privacy-policy.html

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| HomeKeep Premium (Weekly) | $0.99 | per 7 days |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| HomeKeep Premium (Lifetime) | $19.99 | one-time |



## Version history (last 1 release)

### 1.0 — 2026-06-12

No release notes.

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## More apps by Ryo Tsudukihashi

- [BookBank(読書銀行) 読書記録・蔵書管理](https://appshunter.io/ios/app/bookbank/id1487377681)
- [SkyCode](https://appshunter.io/ios/app/skycode/id1512663141)
- [WidgetQiita](https://appshunter.io/ios/app/widgetqiita/id1585253685)
- [WidgetZenn](https://appshunter.io/ios/app/widgetzenn/id1597103122)
- [Floating Notepad　-Overlay-](https://appshunter.io/ios/app/floating-notepad-overlay/id1598380826)
- [PIPMP](https://appshunter.io/ios/app/pipmp/id1612260255)

All apps by Ryo Tsudukihashi: https://appshunter.io/developer/1320583602

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-23.*