GasBook

About this app

What GasBook does

The cylinder always dies in the middle of dinner. GasBook is the offline companion for every Indian household that cooks on LPG — it learns how fast your family actually burns gas and shows a live countdown of the days left in your cylinder, so you book the refill before the flame sputters out, not after. Official booking apps take your order; none of them tell you when to place it. A fixed calendar reminder cannot help either, because no two households burn gas the same way — a family of five cooking three meals a day empties a 14.2 kg cylinder in 20 days, while a working couple stretches the same cylinder past 35. GasBook does the math from your own refill history. Log each new cylinder when it arrives and mark the day the old one ran out; within two or three cycles the app knows your household's kg-per-day rate, and the countdown gets sharper with every refill. On day one it starts from a sensible family-size estimate, so the screen is never blank. GasBook also knows the rules you have to plan around. Domestic refills follow minimum booking-gap rules, and your dealer takes days to deliver. The app tracks your dealer's real delivery lag from your own bookings and works backwards from the predicted empty date to one clear book-by day — with a gentle notification so a five-day delivery delay never leaves your kitchen cold. Every refill's price, and any subsidy amount credited to your account, goes into a running ledger. See exactly what cooking gas costs your family each month and each year, and keep your own record of whether each credit actually landed. If a cylinder empties far faster than your normal burn rate, GasBook raises a short-fill flag so you have dates and numbers in hand when you call the agency. Homes with a backup cylinder get a rotation tracker: which cylinder is on the stove, which is in reserve, when you swapped, and when the reserve itself will run dry. Fully offline and private. No login, no OTP, no consumer number — just your kitchen's gas, finally predictable. • Live days-of-gas-left countdown learned from your real burn rate • Book-by date that factors booking-gap rules and your dealer's delivery lag • Refill log with price and subsidy-credit ledger, exportable as PDF or CSV • Short-fill flag when a cylinder empties abnormally fast • Double-cylinder rotation tracker for backup-cylinder homes • Supports 14.2 kg, 5 kg, 10 kg and 19 kg cylinders • Works fully offline — no account, no OTP, nothing leaves your phone