Rhombus Key vs EcoSys
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Rhombus Key
Securely unlock doors directly from your smartphone. Replace physical keys and keycards with mobile credentials for fast, seamless building access. Manage multiple locations and favorite doors with a single login.
- Secure smartphone door unlocking
- Mobile credentials for building access
- Seamless waving to unlock
- Favorite door navigation
- Multi-location access
- Centralized control via 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.
EcoSys
Access real-time project information and communicate effectively from anywhere. This app offers offline access, field reporting, HSE & Quality management, and tools for change requests, risk management, and task tracking.
- Real-time project information access
- Offline mode for connectivity
- Field reporting and log approval
- HSE & Quality incident reporting
- Change management workflows
- Risk and issue tracking
- Task and to-do management
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EcoSys™ delivers your most up-to-date project information, in the palm of your hand. Realize true mobility for Enterprise Project Performance. On-demand access to real-time information and the ability to communicate quickly and effectively are a vital part of improving project performance. Successful project delivery requires input and collaboration by all stakeholders; be it a contractor who observes an issue at the project site, a construction supervisor who needs to review and approve that day’s progress from the field, a project controls analyst assessing the impact of a change or an executive who wants to review the status of their project portfolio while traveling. Offline mode: Maintain Connectivity Anywhere, Experience Smooth Access even in the absence of an internet connection. Calendar view: Take advantage of our calendar view to easily manage and organize tasks in a clear and intuitive format. Out-of-the-Box Apps: EcoSys provides out-of-the-box mobile apps for the most in-demand requirements. These apps can be tailored to align with an organization’s specific data attributes and business rules. Field Reporting with Log Approval: Ensures stakeholders remain in-the-know regarding what’s happening in the field so they can make more informed decisions. Empowers those in the field to submit labor and equipment progress and link daily logs to changes, issues, risks and more. HSE & Quality: Enables users to report incidents & observations regarding safety, environment and quality ensuring continued compliance with regulatory statutes. Utilize built-in workflows to track any action items and resolve concerns. Near Miss Reporting:Easily report and manage potential risks within the app. Non-conformance report:Track and resolve internal and external safety and quality NCRs efficiently through workflows. Request for work Inspection:Easily request PMC and client work inspections directly through our app, ensuring smooth project progress. Change Management: Allows users to easily create project change requests and start the review and approval workflow. Project Risks: Empowers individuals to quickly report and manage risks identified while working on a project. Users can report potential problems and concerns. Project Issues: Easily create and manage project issues using our app to stay on track. Opportunities: Allows users to manage opportunities, turning ideas into potential projects. To-dos: Allows users to organize, Track and manage tasks and priorities. Photos and documents:Capture photos and attach documents to any work item, ensuring all details are recorded. Feedback: Capture feedback from your users regarding their mobile experience to ensure your apps remain efficient, relevant and easy to use. Quick set up:Simply scan a QR Code. Easily build your own unique apps: EcoSys apps are created without any IT programming or integration effort. With no-code configuration, admin-users that have limited to no HTML knowledge can easily define which fields are needed, how those fields should interact and how they are viewed. Once installed on mobile devices, the EcoSys apps will self-update automatically as new configurations are published. They offer rapid and easy deployment, reducing implementation time from months to days. EcoSys apps can be built to support many processes including: • Executive reporting and analytics • Daily reporting of field progress activities and status • Project forecast updates • Alerts and notifications • PR and PO approvals • Funding request approvals • Compliance Standards (i.e. HSE) • Timesheets • And more Who should use EcoSys Mobile? • C-Level & Senior Executives • Portfolio & Project Managers • Field Inspectors • Workflow Approvers • Health, Safety and Environmental Auditors • Contractors • Sub-Contractors • And more https://hexagon.com/products/ecosys
Screenshots
Verdict
The clearest difference is rating: EcoSys at 5.0 against Rhombus Key's 4.3. EcoSys also leads on review sentiment (100% vs 74%). Rhombus Key's advantage is update cadence (every 3 weeks vs every 17 months) and ratings volume (71 vs 4). On price, ads, in-app purchases and monetization model 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.
EcoSys holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Rhombus Key has 71 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 74% of Rhombus Key's written reviews are positive against 100% of EcoSys's.
Rhombus Key ships an update every 3 weeks, EcoSys every 17 months. The most recent releases landed on October 15, 2026 and October 9, 2026 respectively.
| Parameter | Rhombus Key | EcoSys |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (71 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 74.1% of reviews | 100.0% of reviews — better |
| Number of ratings | 71 — better | 4 |
| Update frequency | Every 3 weeks — better | Every 17 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 20 MB | 39 MB |
| Age rating | 4+ | 17+ |
| Developer | Rhombus Systems, Inc. | Intergraph Corporation |
Customer experience
Rhombus Key
EcoSys
In-app purchases
Rhombus Key
No in-app purchases
EcoSys
No in-app purchases









