PureCheck

PureCheck is a simple, effective personal maintenance tracking tool designed to help you manage your household filters (such as water purifiers, HVAC systems, and vacuum cleaners) to ensure timely replacements and maintain a healthy home environment.

Core Features: 

- Record Management: Add your specific household filters by logging the installation date and expected life cycle (in months).
- Accurate Indicators: View a visual progress bar detailing the consumption percentage and exact remaining days before a replacement is due.
- One-Tap Reset: Once you replace a filter, instantly reset its life cycle from within the app.


- 100% Offline & Private: PureCheck requires absolutely NO internet connection and asks for NO permissions (no camera, location, or external storage access).


- All your data and dates are safely stored locally on your device. We do not collect, store, or share your data in any way.

- Ad-Free Experience: A clean, fast, and straightforward user interface.

Developed by OK Cleaning