Psychrometric Chart vs ZIGLY
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Psychrometric Chart
An interactive tool for HVAC engineers to create and manipulate psychrometric charts. Model various air processes, add and adjust state points with live property updates, and save multiple charts. Export your designs as PDFs or via AirPrint.
- Interactive psychrometric charts
- Model air mixing and heating/cooling
- Live state point adjustment
- SI and IP unit support
- Save and manage multiple charts
- Export charts as PDF
- AirPrint compatibility
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Interactive, graphical psychrometric chart app for HVAC engineers and designers. Allows you to create and manipulate charts and state points with the touch of your finger(s). Processes that can be modeled include: • An individual state point. • Air mixing. • Sensible heating. • Sensible cooling. • Cooling coils. • Other processes by connecting state points. Add new state points by double tapping anywhere on the chart. Hold and drag existing state points to move them on the graph, with properties values updating live to aid you in setting them to the right value. Works in both SI and IP units. Allows you to create and save multiple charts. Properties and energy change for connected points are calculated and displayed live. Share your charts by exporting a PDF file or sending to an AirPrint device. Works on both the iPhone and iPad, but best used on the larger screen of the iPad. ------ We would very much like your feedback! Suggestions, complements, complaints, bug reports etc.: http://www.pheinex.com/contact/ If you like this app, please do not forget to rate it in the App Store! ----- Notes: This application (App) is provided for use by qualified HVAC engineers and designers in the design of air handling systems and is not a substitute for appropriate design services. When in doubt, contact a design
ZIGLY
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ZIGLY – The Smart Digital Workplace for Connected Organizations ZIGLY is a modern digital workplace platform that helps organizations communicate, collaborate, manage internal services, and operate more efficiently from a single mobile experience. Designed for today’s distributed, mobile, and fast-moving teams, ZIGLY brings together internal communication, knowledge, requests, projects, assets, collaboration, and AI-powered assistance in one secure and personalized app. Whether your people work at the office, remotely, in the field, or across multiple locations, ZIGLY keeps everyone informed, connected, and productive. Key features: AI-Powered Assistance Use ZIGLY’s smart assistant to create content, support internal communication, and work more efficiently. Internal Communication Access company news, announcements, leadership messages, institutional updates, and relevant content in one place. Requests & Processes Management Submit, manage, and follow up on internal requests, incidents, approvals, and operational workflows through an integrated service management experience. Tasks & Project Management Organize work, assign responsibilities, track progress, and manage projects using flexible views such as List, Kanban, and category-based tables. IT Asset Management Manage and access information related to organizational IT assets directly from the platform. Documents & Knowledge Securely browse, view, and retrieve documents, policies, procedures, forms, and knowledge resources from your organization. ZIGLY TV Extend communication beyond the app with dynamic digital signage screens powered by dashboards and organizational content. Events & Activities Keep track of institutional events, trainings, meetings, and internal activities with built-in calendar tools. Engagement & Collaboration React, comment, interact, and participate in a more connected workplace culture. Secure & Personalized Access Access the right information according to your role, profile, and organization, with secure authentication options including biometric access. ZIGLY brings together communication, collaboration, knowledge, services, assets, and operations—powered by AI and designed for the modern organization. Download ZIGLY and bring your organization’s digital workplace to your fingertips.
Screenshots
Verdict
The clearest difference is price: ZIGLY at Free against Psychrometric Chart's $59.99. On update cadence, ads, in-app purchases and device support 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
ZIGLY is free to download; Psychrometric Chart costs $59.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Psychrometric Chart ships an update every 3 months, ZIGLY every 6 weeks. The most recent releases landed on October 7, 2026 and October 4, 2026 respectively.
| Parameter | Psychrometric Chart | ZIGLY |
|---|---|---|
| Price | $59.99 | Free — better |
| Rating | 4.4 (34 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 34 — better | — |
| Update frequency | Every 3 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 32 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Pheinex, LLC | InnovaAge |
In-app purchases
Psychrometric Chart
No in-app purchases
ZIGLY
No in-app purchases
Questions
Is Psychrometric Chart free?
Is ZIGLY free?
Do Psychrometric Chart or ZIGLY have ads?
Which is updated more often, Psychrometric Chart or ZIGLY?
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