VATRER vs BuiltNotBought

Connect the battery of vatrer through Bluetooth, and display the temperature, power, voltage, current, production date and charge and discharge times of the battery. And displays the full time and the usable time at the time of charging and discharging.

Built Not Bought is the maintenance logbook for the things you wrench on yourself. Whether you're keeping a daily driver tidy, building out an overland rig, or restoring a project, your build's history lives here — not on the back of a receipt that got soaked in oil six months ago. What you can do: • Log every job with title, date, mileage, category, notes, cost, part model, quantity, where you bought it, and who turned the wrench. • Track multiple vehicles — each with its own photo, profile, and history. • Use the eleven built-in categories (oil change, brakes, tires, suspension, electrical, drivetrain, fluids, filters, armor, wheels, other) or create your own with a custom icon and color. • Browse by date, mileage, or cost. Search anything. Records group by month so you can see how each year of ownership shook out. • A Summary tab with totals, an interactive donut of where your money went by category, and a 1M / 6M / 1Y / All time-range filter. • Export to CSV any time — your data, your file. • Sync across iPhone and iPad via iCloud. No accounts, no servers, no ads, no analytics. If you enjoy the app, there's a tip jar in About. No nags, no paywalls — pay once for the app, keep it forever.