Mobile app · Everyday life

J-K Bike - Mechanical Disaster Prevention

App that helps build positive bike maintenance behaviours, for rides quick, big.

Completely free
Android
Open source

Ad-supported exit link (Clictune): an intermediate page may show for a few seconds before the official website. Direct link to the website, no intermediate page

Download from the official source

Link to the official download page, ad-supported (Clictune): an intermediate page may show for a few seconds. Direct link to the download

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Geographic availability: No geographic restriction found in our sources; availability is not checked country by country.

Technical details

Pricing: Completely freeconfirmed by F-Droid
License: EUPL-1.2 — Open source (copyleft)confirmed by F-Droid
Open source: Yes
Commercial use: Yesconfirmed by F-Droid
Account required: not documented
Credit card required: Noconfirmed by F-Droid
Watermark: Not applicable
Ads: No
Platforms: AndroidEstablished by Android: F-Droid
Publisher: Jan Exner
Latest version: 4.2.1 (21 June 2026)
Latest activity: 21 June 2026
Source code: codeberg.org/jexner/JKBikeMechanicalDisasterPrevention

At a glance

J-K Bike - Mechanical Disaster Prevention is completely free: it is open source software, and every feature is available without paying or subscribing.

Its licence (EUPL-1.2) is a copyleft open source licence: you may use, study, modify and redistribute it, including commercially; modified versions must keep the same licence.

Strengths

Open source code
No advertising
Commercial use allowed

Sources and checks

Facts collected from F-Droid (credit card, source code, publisher, licence, free status, platforms, ads, commercial use, version) — 9 November 2026
Last technical check: 6 November 2026
Description from F-Droid — F-Droid (citation courte)

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