OpenSolar vs SubHub App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OpenSolar
This free application provides a comprehensive solution for designing and selling solar energy systems. It offers end-to-end functionality for solar professionals.
- End-to-end solar design
- Sales application
- Free to use
- Comprehensive functionality
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OpenSolar is the world's first free, end-to-end, solar design and sales application.
SubHub App
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Hub by Subcontractorhub Hub is the mobile companion app for the Subcontractorhub platform, designed to help contractors and field teams manage work efficiently while on the move. Built for tasks that are easier to complete from a mobile device than a laptop, Hub brings key site-based workflows directly to your phone, allowing you to stay productive wherever work takes you. Current Features * View and manage work orders * Access job details while on-site * Update work order progress in real time * Record notes, photos, and job information from the field * Door knocking and canvassing, with map-based lead capture * Schedule and manage appointments, including closer confirmation and real-time status tracking * Work offline — knocks, leads, and appointments sync automatically once you're back online Coming Soon Hub is designed as a modular platform, with additional features being released over time, including: * On-site proposal management * Additional field service and contractor workflows Whether you're on-site, travelling between jobs, or meeting customers, Hub keeps your work connected to the Subcontractorhub platform. *An active Subcontractorhub account is required to use this application.*
Screenshots
Verdict
The clearest difference is update cadence: SubHub App at every 5 days against OpenSolar's every 6 weeks. On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
OpenSolar ships an update every 6 weeks, SubHub App every 5 days. The most recent releases landed on October 7, 2026 and October 3, 2026 respectively.
| Parameter | OpenSolar | SubHub App |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (10 ratings) — better | — |
| Positive reviews | 45.5% of reviews | — |
| Number of ratings | 10 — better | — |
| Update frequency | Every 6 weeks | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.7 | 15.1 — better |
| Further details — not scored | ||
| Size | 216 MB | 74 MB |
| Age rating | 4+ | 4+ |
| Developer | OpenSolar Pty Ltd | Subcontractorhub Inc. |
In-app purchases
OpenSolar
No in-app purchases
SubHub App
No in-app purchases








