BOLLbox

BOLL & KIRCH Filterbau GmbH Utilities iPhoneiPadiPod touch

BOLLbox is a free Utilities app for iPhone and iPad by BOLL & KIRCH Filterbau GmbH. Requires iOS 15.6. Updated August 19, 2026.

Price: Free; on the App Store
Size: 29 MB; Age 4+
Updated: Aug 19; 2026 · v4.5.0

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Screenshots

About BOLLbox

Quick and simple visualization of filter operating data, change of filter settings and interaction with the filter. - Visualization of historical filter operating data - Changing control settings - Triggering of flushing - Triggering of power flushing - Visualization of error messages - Contact and support - Sending operating data - Update control box software

What’s new

Version 4.5.0 · Updated August 19, 2026

What's New in This Version: - Expanded I/O configuration for supported BK2300+ controllers - Configuration of analog and digital inputs/outputs - Selection of sensors and setting of min, max, and delta values - Extension of log data entities for analog signals

App privacy

The developer, BOLL & KIRCH Filterbau GmbH, reported these privacy practices to Apple.

Data Not Collected

The developer does not collect any data from this app.

App details

BOLLbox is a free Utilities app for iPhone, iPad and iPod touch, developed by BOLL & KIRCH Filterbau GmbH. It requires iOS 15.6 or later and is 29 MB to download. It was first released on February 28, 2023 and last updated on August 19, 2026.

Category: Utilities
Price: Free
Version: 4.5.0
Size: 29 MB
Requires: iOS 15.6 or later
Compatibility: iPhone, iPad, iPod touch
Languages: English
Age rating: 4+
Released: February 28, 2023
Last updated: August 19, 2026
Developer: BOLL & KIRCH Filterbau GmbH

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