Apps Like Ring Sizer: Perfect Fit for iPhone and iPad
Measure rings with your phone camera
Measure size with a smartphone camera using guided steps. Select from US, UK, or EU sizing standards. Save previous measurements for future reference. Share results directly with retailers or jewelers.
Ranked alternatives
Showing 561–580 of 1,000 ranked alternatives.



Tip Wizard
Wilger Industries Ltd.
Search and select spray components.
The app provides three search functions: Spray Tip, Fertilizer Metering Orifice, and Ball Flow Indicator. It offers calculations and information for various spray systems and helps users select appropriate components for their applications.





GeoSpeed Speedometer Monitor
Eyermin Colon Sanchez
Track speed and receive radar alerts
Track current speed with real-time GPS data. View speed and speed limits in a dynamic visual ring. Receive alerts when exceeding speed limits with color change indicators. Switch between km/h and mph. driving behavior to avoid speeding tickets.

Greenheck Toolbox
Greenheck Fan Corporation
Calculate fan laws and size ducts
Fan Law Calculator allows users to input rpm, cfm, static pressure, and horsepower. Modifying one value recalculates the others. Ductulator helps size HVAC ducts by inputting shape, dimensions, air temperature, elevation, and roughness.

Nauticam iCam
Digitopolis Co., Ltd.
iPhone photography for underwater exploration.
The app enables users to capture still photos and video with their iPhone while underwater. It allows for image review and settings adjustment when used with the Nauticam underwater camera housing.







Planetary Gear Calculator
Heng Jia Liang
Calculate teeth and simulate systems
Calculate teeth and speed for systems using provided formulas. Input values to determine sun, planet, and ring teeth. Simulate interactions and preview system behavior before 3D printing.

Home Rings
TORUN KARAGOZ
Record moments, organize memories, share timelines
Record family moments with timeline and year ring views. View photos in a gallery. Categorize events into types like housework, holidays, and health. Add photo records and organize memories in one place.


AiRuler - AR for Measurement
BHI Technologies, Inc.
Measure objects with AR camera
Use camera to measure length, area, angle, or height of objects in real-world environment. Draw objects on surfaces and visualize measurements in augmented reality.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.