LensFactor app icon

Apps Like LensFactor for iPhone and iPad

Calculate lens factor, screen size, distance.

The app calculates the lens factor based on screen size and projector distance. It also determines screen size or projector distance when lens factors are known.

by Bart van Stiphout★ 5.02 ratingsProductivity$1.99Data updated 2026-09-14

LensFactor screenshots

Ranked alternatives

Showing 341–360 of 1,000 ranked alternatives.

  1. Partometer3D measure on photo app icon

    Partometer3D measure on photo

    VisTech.Projects LLC

    Objects in 3D space with your camera

    Distances, areas, perimeters, angles, and circle parameters using photos. Define measurement planes in 3D space. Adjust for non-parallel planes. Export measurement data. Share results directly.

    ★ 3.617 ratingsProductivity$2.99Data updated 2026-09-18
  1. Opticalc Contact Lens Calc app icon

    Opticalc Contact Lens Calc

    Rob McQualter

    Calculate ocular refraction and recommend lenses

    Calculate ocular refraction corrected for vertex distance. Recommend spherical power based on spherocylindrical refraction. Identify mislocation of toric lenses and suggest alternative lenses for ordering.

    ★ 3.73 ratingsMedical$3.99Data updated 2026-09-08
  2. Authenticator - 2FA Security app icon

    Authenticator - 2FA Security

    Hoa Huynh

    Enable 2FA with TOTP codes

    Generates time-based one-time passwords for two-factor authentication. Users can add accounts, receive verification codes, and manage 2FA settings. All data is encrypted for secure access.

    ★ 4.213 ratingsUtilitiesFreeData updated 2026-09-06
  3. AJA DataCalc app icon

    AJA DataCalc

    AJA Video Systems

    Calculate video and audio storage needs.

    The app calculates storage requirements for professional video and audio media. It supports numerous industry video formats, compression methods, and video standards, allowing users to change settings and view results on a single screen.

    ★ 3.811 ratingsUtilitiesFreeData updated 2026-09-12
  4. Boom Spray Mix calculator app icon

    Boom Spray Mix calculator

    Groundtruth Limited

    Calculate nozzle size and mix ratios

    Calculate nozzle size and determine agrichemical product volume needed for target application rates. Input tank capacity and type to adjust settings. Provide accurate dosage recommendations for efficient spraying.

    ★ 0.00 ratingsProductivityFreeData updated 2026-09-22

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.