Si4Keyboard app icon

Apps Like Si4Keyboard for iPhone and iPad

Secure input with local encryption

Si4Key provides local encryption for keystrokes, ensuring input stays on the device. It includes one-tap digital signature for secure authentication. Offers offline key management for secure identity verification without internet dependency.

by 文焕 陈★ 0.00 ratingsUtilities$0.99Data updated 2026-09-06
App detailsView in App Store

Ranked alternatives

Showing 821–840 of 1,000 ranked alternatives.

  1. ProID Mobile app icon

    ProID Mobile

    AHEAD iTec, s.r.o.

    Login with PIN, Face ID, or fingerprint

    Authenticate with one PIN, Face ID, or fingerprint. Enable secure two-factor login to systems and services. Use external certificate store for key management. Access authentication via smartphone without additional hardware.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-17
    App details
  2. StegoSafe app icon

    StegoSafe

    NEXATECH AI EFFICIENCY SERVICES LTD.

    ★ 0.00 ratingsUtilities$49.99Data updated 2026-09-06
    App details
  12. Mortar Volume app icon

    Mortar Volume

    WUERTH INDUSTRIAL SERVICES INDIA PRIVATE LIMITED

    ★ 0.00 ratingsBusinessFreeData updated 2026-09-06
    App details

How we rank alternatives

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