Rhombus Key vs Finix Checkout
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Rhombus Key
Securely unlock doors using your smartphone, eliminating the need for physical keys or keycards. This app offers fast building access, seamless badging, and the ability to save favorite doors for quick navigation. It supports multi-location access with a single login.
- Secure mobile credentials for building access
- Fast and seamless badging
- Save favorite doors for quick access
- Multi-location access with one login
- Compatible with Rhombus Access Control
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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.
Finix Checkout
This app helps businesses manage payments and customers efficiently. It allows for accepting card payments, sending payment links, and tracking transactions in real-time. Users can also search and filter payments and send receipts to clients.
- Accept card payments
- Send payment links
- Real-time transaction tracking
- Search and filter payments
- Send customer receipts
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Run your business with Finix Checkout. Accept payments, manage customers with ease. - Accept card payments with a streamlined checkout experience - Make and send payment links - View transactions, authorizations, and refunds in real time - Search and filter payments to find what you need quickly - Send receipts to your customers Download Finix Checkout today to run your business smarter, faster, and more efficiently.
Screenshots
Verdict
The clearest difference is review sentiment: Rhombus Key at 74% against Finix Checkout's 0%. Rhombus Key also leads on ratings volume (72 vs 6) and iOS requirement (16.0 vs 18.1). Finix Checkout's advantage is rating (4.7 vs 4.3). On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Finix Checkout holds the better App Store score, 4.7 against 4.3. That said, the two scores are not equally well evidenced: Rhombus Key has 72 ratings behind it against 6, so its average is the more settled of the two. Written reviews complicate that: 74% of Rhombus Key's written reviews are positive against 0% of Finix Checkout's, so the app with the better star average is not the one people write more warmly about.
Rhombus Key ships an update every 4 weeks, Finix Checkout fortnightly. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.
| Parameter | Rhombus Key | Finix Checkout |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (72 ratings) | 4.7 (6 ratings) — better |
| Positive reviews | 74.1% of reviews — better | 0.0% of reviews |
| Number of ratings | 72 — better | 6 |
| Update frequency | Every 4 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone |
| Requires iOS | 16.0 — better | 18.1 |
| Further details — not scored | ||
| Size | 20 MB | 41 MB |
| Age rating | 4+ | 4+ |
| Developer | Rhombus Systems, Inc. | Finix Payments |
Customer experience
Rhombus Key
Finix Checkout
In-app purchases
Rhombus Key
No in-app purchases
Finix Checkout
No in-app purchases
