G1 Building app icon

Apps Like G1 Building for iPhone and iPad

by Union Investment Real Estate GmbH★ 0.00 ratingsBusinessFreeData updated 2026-09-06

Ranked alternatives

Showing 201–220 of 1,000 ranked alternatives.

  1. 999 3rd app icon

    999 3rd

    Equity Office Management, LLC

    ★ 2.49 ratingsProductivityFreeData updated 2026-09-06
  2. HQ Plaza app icon

    HQ Plaza

    The Olnick Organization, Inc.

    ★ 0.00 ratingsBusinessFreeData updated 2026-09-06
  3. Simpli. app icon

    Simpli.

    Charm City Concierge, Inc.

    ★ 3.121 ratingsLifestyleFreeData updated 2026-09-17
  4. ESRT+ app icon

    ESRT+

    Empire State Realty Trust, Inc.

    ★ 3.832 ratingsBusinessFreeData updated 2026-09-06
  5. 545 Madison app icon

    545 Madison

    Marx Realty and Improvement Co. Inc.

    Access control and manage amenities

    Access building and suite entry with digital keys. Register guests via QR code invites for building access. Place food orders from partnered restaurants.

    ★ 5.02 ratingsProductivityFreeData updated 2026-09-25

How we rank alternatives

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