Apps Like Optical Toolkit for iPhone and iPad
Transpose prescriptions and calculate lens parameters
Transpose prescriptions and calculate compensated powers for tilt and vertex distance. Estimate blank size and lens thickness. View detailed equations and study references for additional insights.
Optical Toolkit screenshots
Ranked alternatives
Showing 21–40 of 1,000 ranked alternatives.
Tenpin Toolkit: Bowling Tools
Internet Stuff Ltd
Plan and visualize a shot frame
Plan and visualize shots from approach to target with overlays like entry angle and distance markers. Save favorite shots and use video mode for analysis.
EE ToolKit
Thomas Gruber
Design circuits, simulate projects, and analyze data
Learn electronics concepts through interactive lessons and diagrams. Simulate circuits and test components. Calculate resistor values and voltage drops. Access formulas and reference tables. Export project designs and share results.
Concrete Calc Pro Calculator
Calculated Industries, Inc.
Calculate volume for slabs, footings, and walls
Calculate volume for slabs, footings, columns, walls, and stairs in cubic yards, feet, or meters. Estimate needed, determine weight and bag requirements. Calculate rebar spacing and truckloads.
Calculator Pro Lite
Cider Software LLC
Customize themes and buttons
Customize appearance with themes, button shapes, and colors. Choose from six layouts and control all visual elements. View input and result simultaneously on dual-line display. Adjust settings for precise calculations.
Snap Markup - Annotation Tool
Raghvendra Bhargava
Photos with precision and style
Crop and rotate images into various shapes. Add text, arrows, and shapes for annotations. Pixelate sections or draw freehand. Share edited photos directly with contacts.
Gravel Calculator Plus
Calc Hub, LLC
Calculate needs in tons, yards, and meters
Estimate , stone, rock, sand, topsoil, and aggregate needed for projects. Calculate required amounts in tons, cubic yards, and cubic meters. Input dimensions and material type to get accurate estimates.
Camera Zoom 4
Kenneth Kao
And capture detailed images
In and out up to 15x while taking photos using a slider. Auto-stabilize images and videos. Adjust photo quality automatically. Use timer settings for 3, 10, or 20 seconds. Enable tap-to-shoot or swipe-to- options. Video available via in- purchase.
Landscaping Calculator Plus
Calc Hub, LLC
Calculate materials for projects
Calculate materials with 10 tools for gravel, soil, mulch, concrete, pavers, retaining walls, grass seed, sod, area, and volume. Input dimensions in inches, feet, yards, centimeters, or meters. Output results in US customary or metric units.
FlightReady E6B
Aeroapps Technology, LLC
Calculate flight data with precision
Calculate groundspeed, true heading, compass heading, leg time, distance, fuel required, fuel flow, and endurance for flight planning. Convert airspeed, altitude, and temperature.
Ohms Law Calc.
V PUGAZHENTHI
Calculate voltage, current, and resistance
Calculate electrical values using formulas for voltage, current, resistance, power, and more. Determine wire size and voltage drop. Perform transformer and generator calculations. Convert between electrical units.
1-RM
Bodybuilding.com
Calculate 1RM and track progress
Calculate one-rep max for strength training exercises. Track progress over time for different lifts. Input weight and reps to estimate 1RM. Save and view historical max values for multiple exercises.
Feenote - Notes and lists
惠明 劳
Create, organize, and share
Take with Apple Pencil, capacitive stylus, or finger. Customize pen color, thickness, and style. Secure with a passcode. Organize and manage digital content efficiently.
Bubble Level Tool - Digital
Rihab Mehboob
Measure angles, reset, and lock orientation
Measure device angle with a . Tilt the device to see current angle. Reset and lock the angle manually. Switch between portrait, landscape, and surface modes.
Pencil Sketch: Photo Drawing
Arthur Eduardo Skaetta Alvarez Desenvolvimento de Software LTDA.
Convert photos to sketches
Convert photos into various styles like , colored, painting, and comic. Adjust brush thickness for customization. Save high-resolution sketches for sharing or printing.
Loan Amortization Calculator
RedTracker LLC
Calculate payments and interest
Calculate payments, track principal and interest breakdowns, and see how extra payments reduce total cost. Input amount, interest rate, term, and payment frequency. View detailed schedules and estimate total interest paid.
Barkio: Dog Monitor & Pet Cam
TappyTaps s.r.o.
Watch live video and hear your dog
Pets with live HD video, audio, and motion detection. Record videos and photos during monitoring. Hear barking, howling, and whining. Track calmness through motion analysis. Use older iOS devices as cameras.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.