Comparison

OpenSolar vs SubHub App

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

OpenSolar

This free application provides a comprehensive solution for designing and selling solar energy systems. It offers end-to-end functionality for solar professionals.

Highlights
  • End-to-end solar design
  • Sales application
  • Free to use
  • Comprehensive functionality
Features
Read full description

OpenSolar is the world's first free, end-to-end, solar design and sales application.

About

SubHub App

Features
Read full description

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

OpenSolar3 screens
SubHub App4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

Scorecard1 real difference · 9 level
OpenSolar versus SubHub App: the parameters behind the verdict, then further details
ParameterOpenSolarSubHub App
PriceFreeFree
Rating4.4 (10 ratings) — better—
Positive reviews45.5% of reviews—
Number of ratings10 — better—
Update frequencyEvery 6 weeksEvery 5 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.715.1 — better
Further details — not scored
Size216 MB74 MB
Age rating4+4+
DeveloperOpenSolar Pty LtdSubcontractorhub Inc.

In-app purchases

None

OpenSolar

No in-app purchases

None

SubHub App

No in-app purchases

Questions

Is OpenSolar free?
OpenSolar is free to download, with no in-app purchases.
Is SubHub App free?
SubHub App is free to download, with no in-app purchases.
Do OpenSolar or SubHub App have ads?
Neither OpenSolar nor SubHub App shows ads.
Which is updated more often, OpenSolar or SubHub App?
OpenSolar ships an update every 6 weeks, and SubHub App every 5 days. Most recently, OpenSolar was updated on October 7, 2026 and SubHub App on October 3, 2026.

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