Apps Like ProMasters Only for iPhone and iPad
Track vehicle data and diagnostics
Monitor vehicle gauges with alarms and heads up display mode. Track oil changes and repairs in a log book. Access gauge explanations and one-touch login. Enable wake lock for continuous monitoring. Requires OBD dongle for hardware connectivity.
ProMasters Only screenshots
Ranked alternatives
Showing 61–80 of 1,000 ranked alternatives.



GE Moisture Calculator
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Calculate moisture content and humidity.
The app calculates PPMv from dew point and pressure for ideal gases. It also converts dew point and temperature to relative humidity, supporting various units for dew point, pressure, and temperature.

Barometer - air pressure meter
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Track changes in real time
Track atmospheric with real-time updates and a simple gauge display. Monitor changes over time. Plan activities based on weather conditions. Stay prepared for sudden shifts.



Car Maintenance Reminders
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Track schedules and record service history
Track vehicle schedules and set service . Log detailed records of repairs and inspections. Monitor oil change intervals and other service due dates. Receive alerts for upcoming tasks. Sync data across devices for consistent access to vehicle history.

BagSizer
MATOLE
Measure luggage dimensions accurately
Determine carry-on luggage dimensions allowed by airlines. Measure luggage using a credit card or coin as a gauge. Check if luggage meets size limits for cabin or check-in.





WireSizer - DC Voltage Drop
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Calculate DC wire size instantly.
The app calculates the correct DC wire gauge for electrical systems. It considers voltage, current, circuit length, and voltage drop percentage.

Police Lights & Police Siren
振山 董
Simulate sirens and control
Simulate sirens with 40+ real sounds from global emergency vehicles. Use 40+ full-screen flashing and signals for different scenarios. Includes turn signals, traffic bans, and countdown features. Supports iPhone and iPad. No subscription required.

FieldLab Mobile
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Log pressure and temperature data
Monitor and log pressure and temperature data from LC20 and LC30 Bluetooth gauges. Export saved data for reports and certifications. Connect multiple gauges, set log intervals, and choose engineering units.

GuruFocus
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View stock data and analyze financial trends
Monitor investments in real-time with quick portfolio access. Analyze stocks using summary data and 30-year financials. Customize an all-in-one screener to filter stocks based on specific criteria.




How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.