Sparkmaster

Sublime Web Oy

In-app purchases

About this app

Sparkmaster is an offline-first maintenance companion for outboard owners who want reliable engine care — even at the marina with no signal.

MAINTENANCE
• Service log and reminders for your engine
• Spring and winter storage wizards, step by step
• Offline troubleshooting trees and emergency guides
• Resale-ready maintenance PDF export (Sparkmaster Basic)

TRIPS & FUEL
• Log trips and fill-ups for free
• Track running hours from trips
• Fuel analytics and consumption estimates (Sparkmaster Basic)

PARTS & SHOPPING
• Search part numbers and torque specs
• Shopping list with market-filtered retailer links

ENGINES
• Support for many Yamaha and Mercury families
• Multiple engines on one device (Sparkmaster Basic)

WHY SPARKMASTER?
• Offline-first — your data stays on your device
• No ads, no behavioural marketing
• 8 languages

SUBSCRIPTION
Sparkmaster Basic unlocks full trip history, fuel analytics, PDF export, and multiple engines. Core logging stays free.

Developer: Sublime Web Oy
Support: [e-mail]
Privacy: https://sparkmaster.app/privacy-en.html

What’s new

- New: Acoustic RPM meter — measure idle RPM with your phone near the engine (Premium).
- Trip tracking improvements: fuel estimates, smoother resume after app restart.
- PDF export now includes hour meter readings.
- More engine metadata: idle specs and maintenance details for more models.
- Measurement history uses your date format from settings.
- Performance improvements and bug fixes.