Turns smartphone into a with 3 viewing options. Calibrate all 4 sides and display angle, slope, or roof pitch. Includes sound effects and orientation lock. Supports surveyor, carpenter, mason, torpedo, post, and line levels.
by Andrew Neal★ 4.76,484 ratingsUtilitiesFreeData updated 2026-09-14
Uses device sensors to locate hidden metallic objects. Bubble level offers three viewing modes for precise leveling. AR ruler measures distances by pointing the camera at objects.
Calculate optimal PV angle for maximum electricity
Determine optimal PV angle for maximum electricity generation. Access data charts including elevation, azimuth, sunrise, sunset, and sunlight duration. Calculate vs azimuth optimization for chosen azimuth.
Measure angles by placing the device on the desired surface and adjusting two lines to align with the angle's sides. Display degrees in real time without needing photos or overhead placement.
Your RV, fifth wheel, or motorhome using a single iPhone or iPad as a . Use two devices with Bluetooth to control and view data remotely without needing cellular or Wi-Fi connectivity.
Determine by calculating the angle from your location to the Kaaba. Use features to align with the Kaaba image. Display accurate based on GPS coordinates. Provide visual guidance for prayer orientation.
Provides a 3D floating with realistic OpenGL graphics. Users can switch between nine modes, including direct read, traditional, and rosette styles. It displays degrees, quads, or mils.
Measure ambient in real time using the phone's microphone. Display decibel levels. Monitor household appliances like washing machines, refrigerators, and computers. Compare sound levels to assess potential hazards.
Detects objects using smartphone's magnetic sensor. Displays magnetic field strength in microtesla. Cannot detect non-ferrous metals like silver, gold, or copper.
The app displays the time with large, clear red digits that are easy to read in the dark. Users can control brightness with a swipe and choose between 12h or 24h format.