APTROCK vs MaintBot

This app is used with the NFC smart lock provided by 4quad (www.4quad.com), which has no battery, no charging, high security, easy to use. With this APP you can manage multiple locks, quickly Lock & UnLock the lock, manage lock passwords, read & write the NDEF information etc.

MaintBot is a privacy-first vehicle maintenance tracker built for dirt bike, ATV, and UTV owners who keep meticulous service records. Track every service, every ride, every note — without handing your data to a cloud provider or watching ads. KEY FEATURES • Hour-based tracking per bike — log service at the exact hours you did it • Color-coded health indicators — see at a glance what needs attention • Service Log timeline — tap any entry to edit; filter by item; bucketed by time • Customizable maintenance items — real intervals out of the box, edit anytime • Free-form notes per vehicle — markdown support, search, pin your most-used • Registration expiry reminders — local notifications, 30/7/0 days out • Local photos — attach photos to each vehicle that survive cache clears • Ride logging — track total hours ridden between services 100% PRIVATE No accounts. No cloud. No analytics. No ads. No tracking identifiers. Every vehicle, note, and photo lives on your phone in an encrypted SQLite database. Export your data anytime as JSON. OFFLINE FIRST No internet required. Works in the garage, at the trail, on the side of the road. Data syncs only if you choose to export and share it yourself. BUILT FOR RIDERS Designed specifically for two-stroke and four-stroke dirt bikes, ATVs, and UTVs where hours — not miles — are the measure of wear. Tracks items like fork oil, shock oil, air filter, top-end rebuild, and coolant changes with real-world intervals. OPT-IN BUG REPORTS When you hit an issue, tap "Send Bug Report" in Profile — it opens your email with device info and the last 20 errors attached. Nothing is sent automatically; you review and send. OPEN SOURCE MaintBot is open source at github.com/Tyoxic/MaintBot. Build it yourself, audit the privacy claims, file issues.