Brevolka Road·Offline vehicle logbook

Your road, logged

Private fuel and expense logbook for cars, bikes, scooters, and trucks. Stored entirely on your device with zero tracking and zero accounts.

Interactive logbook

On-device storageCars, bikes & scootersSpreadsheet export anytime

Fill upServiceTollsEfficiencyPrivate

Every fill-up, service and toll. Logged on your device.

This month$212.40

Fill up to log your first entry

Active garageSAVED ON PHONE

Twin 650 Roadster (15 L tank)

Speed · burn

84km/h4.1 L/100km

Tank remaining

45%0 km range

Operating cost

$0.00/kmavg all-in

< 10s

To log any fill-up

0 bytes

Uploaded to external servers

100%

Functional without network

Zero

Advertisements or sign-ups

Interactive logbook

Log fuel and expenses in seconds

Record fills, maintenance items, and tolls directly on your device. Zero accounts, zero ads, fully offline.

Active vehicle

2023 Sedan Sport

50 gal tank·Prior: 48,291 mi

Avg 34.8 mpg

Vehicle efficiency+2.4 mpg

34.8mpg

Estimated range~1740 mi

Running cost$0.11 / mi

Recent activity

Stored on-device

Fill Brev

42.0 gal filled

$153.30

+2.4 mpg

Engine Oil Change

Care & Fluids · Card

$65.00

Care & lube

Fill Brev

40.5 gal filled

$147.80

+0.8 mpg

Vehicle metrics & telemetry

Mileage and running costs

Everything your vehicle consumes, travels, and costs, presented in a structured view designed for drivers.

Fuel mileage

+8.4%vs Q2

34.6avg mpg

Last 6 fill-upsBest: 38.2 mpg

Running cost

All-in per distance

$0.14per mile

Fuel$0.09 / mi

Service & wear$0.03 / mi

Tolls & registration$0.02 / mi

Monthly distance1,240 mi

Annual expense breakdown

$2,448 YTD

Category selection58% of total

On-device custody

Vehicle data stays on your device

Standard fuel trackers require cloud accounts and transmit vehicle movement telemetry. Brevolka stores entries locally on device storage, operating reliably in underground structures and remote areas without cellular connection.

No account registration

Open the app and log immediately with zero credentials.

Offline functionality

Operates in basements, mountain roads, and dead zones.

Zero analytics trackers

No advertising telemetry or third-party behavioral beacons.

Direct CSV export

Export full records to standard spreadsheets anytime.

Source code↗

device-storage/brevolka.db

Local storage

# Local storage verification

> Storage target: on-device SQLite database

> Remote API calls: 0

> Telemetry upload: disabled

> Sandboxing state: verified isolated

> Status: ready · fully offline

Highway radar network

Route context

Community telemetry for drivers and riders

Log fuel and maintenance independently, with peer-to-peer verification for verified fuel stations, road surface conditions, and breakdown assistance.

Verified fuel bunks

Track pump accuracy and fuel quality notes recorded by daily commuters and long-distance drivers.

Roadside solidarity

Puncture equipment notes and emergency roadside check-ins without social feed distractions.

2-Wheelers 4-Wheelers

YOU

Vikram · Solo Rider

Classic 350 Cruiser

National Highway 44·3.4 km ahead

Fuel reportSaved ₹940 on fuel this month

Route alertAlert: Road resurfaced ahead, caution at toll approach

Product comparison

Brevolka vs cloud fuel trackers

A direct comparison between local offline tracking and traditional subscription services.

Works 100% offline (tunnels, mountains, basements)

BrevolkaSaved strictly on local device storage

Cloud trackersRequires network connection to load or log

Account or email registration

BrevolkaNone required — instant open & log

Cloud trackersMandatory cloud sign-in with email password

Data privacy & location resale

BrevolkaZero trackers; records never transmitted

Cloud trackersAggregated and brokered to insurers and ads

Fill-up logging speed

BrevolkaUnder 10 seconds with smart presets

Cloud trackersMulti-step forms with modal prompts

Multi-vehicle support (cars, bikes, scooters)

BrevolkaUnlimited vehicles included free

Cloud trackersRestricted behind monthly subscription tiers

Spreadsheet export

BrevolkaDirect one-tap CSV export

Cloud trackersPaywalled or restricted formats

Feature	Brevolka	Standard cloud apps
Works 100% offline (tunnels, mountains, basements)	Saved strictly on local device storage	Requires network connection to load or log
Account or email registration	None required — instant open & log	Mandatory cloud sign-in with email password
Data privacy & location resale	Zero trackers; records never transmitted	Aggregated and brokered to insurers and ads
Fill-up logging speed	Under 10 seconds with smart presets	Multi-step forms with modal prompts
Multi-vehicle support (cars, bikes, scooters)	Unlimited vehicles included free	Restricted behind monthly subscription tiers
Spreadsheet export	Direct one-tap CSV export	Paywalled or restricted formats

Driver reference guides

Fuel mileage formulas and vehicle data

Practical calculation methods and privacy documentation for daily drivers and long-distance travel.

Browse all guides

Formula·4 min read

How to calculate true fuel mileage: the full-tank method

Step-by-step mathematical method to measure exact MPG, L/100km, or km/L without dashboard gauge discrepancy.

Read guide

Privacy·5 min read

Why offline fuel tracking protects your vehicle telemetry

How cloud apps monetize driving telemetry, and why on-device storage prevents insurer surveillance.