Rhombus Key

Rhombus Systems, Inc. Business iPhoneiPadiPod touch

Rhombus Key is a free Business app for iPhone and iPad by Rhombus Systems, Inc. Rated 4.3/5 from 72 ratings. Requires iOS 16.0. Updated October 27, 2026.

Rating: 4.3; 72 ratings
Price: Free; on the App Store
Size: 20 MB; Age 4+
Updated: Oct 27; 2026 · v1.3.0

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Screenshots

About Rhombus Key

Wave Hello to Rhombus Key – to securely unlock doors straight from your Smartphone. Say goodbye to physical keys, keycards, and badges by using Rhombus Key for: - Fast and secure building access with mobile credentials. - Seamless badging by simply waving to unlock or by using your phone. - Quick navigation to your most-used doors by saving your favorites. - Multi-location access across all your doors with one login. This app is compatible with Rhombus Access Control – a modern approach to building management with centralized visibility and control, seamless remote access, and unlimited scalability.

Ratings & reviews

4.3

72 ratings

5 ★ 81% 4 ★ 0% 3 ★ 0% 2 ★ 4% 1 ★ 15%

What’s new

Version 1.3.0 · Updated October 27, 2026

• New: an EU Login option on the login screen for organizations hosted in the EU region. • Magic links and passkeys now work for EU accounts. • Magic links now open the app correctly when it isn't already running.

App privacy

The developer, Rhombus Systems, Inc., reported these privacy practices to Apple.

Data Not Collected

The developer does not collect any data from this app.

App details

Rhombus Key is a free Business app for iPhone, iPad and iPod touch, developed by Rhombus Systems, Inc. It is rated 4.3 out of 5 from 72 ratings on the App Store, requires iOS 16.0 or later and is 20 MB to download. It was first released on June 30, 2023 and last updated on October 27, 2026.

Category: Business
Rating: 4.3 / 5 (72 ratings)
Price: Free
Version: 1.3.0
Size: 20 MB
Requires: iOS 16.0 or later
Compatibility: iPhone, iPad, iPod touch
Languages: English
Age rating: 4+
Released: June 30, 2023
Last updated: October 27, 2026
Developer: Rhombus Systems, Inc.

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Grade C

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App name length (11 / 30): There’s room for a keyword after your brand, e.g. “Brand: What it does”.
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Alternatives to Rhombus Key

Looking for apps like Rhombus Key? Here are 6 similar apps on the App Store. The highest rated is Sequoia Mobile (4.9/5), and all 6 are free to download.

Rhombus Key vs. alternatives
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