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 941–960 of 1,000 ranked alternatives.

  8. SOSCar app icon

    SOSCar

    SYSTEM DATA SOFTWARE SRL

    ★ 0.00 ratingsProductivity$199.99Data updated 2026-09-08
    App details
  11. ScanDocNow : Scan & OCR PDF app icon

    ScanDocNow : Scan & OCR PDF

    Lei Michael Lu

    Documents, save, and share as PDFs

    Documents with automatic edge detection and manual focus. Save as PDF or image files. Organize and share scanned documents. Add interactive signatures and apply real blur to sensitive areas. Use OCR to recognize and edit text within scanned files.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06
    App details
  18. TX.Mobile app icon

    TX.Mobile

    CoreLedger Labs GmbH

    Sign transactions and store private keys

    Store and back up private keys securely. Sign Ethereum blockchain transactions for TEOS-based applications. Authorize transactions using private key authentication. Manage digital assets and approve smart contract interactions.

    ★ 0.00 ratingsBusinessFreeData updated 2026-09-17
    App details

How we rank alternatives

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