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Head-to-head · Solar Software

OpenSolar vs Solargraf

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score OpenSolar #1 in Solar Software 9.2/10 Free plan · 30-day trial Free planFree trial✓ 0 of 5 features Visit OpenSolar
Solargraf #3 in Solar Software 8.8/10 Paid ✓ 4 of 5 features Visit Solargraf

OpenSolar leads on 1 check, Solargraf on 0, and 5 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreOpenSolar · 9.2/10
  • Free planonly OpenSolar
  • Free trialonly OpenSolar
  • Most featuresSolargraf · 4 of 5

OpenSolar scores higher on our rubric for solar software: 9.2 against 8.8 out of 10; our editors rank them #1 and #3.

OpenSolar offers free plan; Solargraf doesn't.

OpenSolar is the better fit for solar teams wanting an end-to-end workflow at no cost. Solargraf is the better fit for installers needing proposals and automated permit plans.

  • OpenSolar fits best

    Solar teams wanting an end-to-end workflow at no cost

  • Solargraf fits best

    Installers needing proposals and automated permit plans

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature OpenSolar 9.2/10 Visit ↗ Solargraf 8.8/10 Visit ↗
At a glance
Editor score 9.2 8.8
Ranking #1 in Solar Software #3 in Solar Software
Best for Solar teams wanting an end-to-end workflow at no cost Installers needing proposals and automated permit plans
Pricing model Free plan + paid Paid
Starting price — —
Free plan ✓ (best) —
Free trial 30 days —
Deployment Cloud Cloud
Platforms Web, iOS, Android Web
Support Docs Live chat
Integrations 10 integrations 3 integrations
Built for Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features OpenSolar 0/5 · Solargraf 4/5
PV design & simulation Not checked yet ✓ (best)
Financial modeling Not checked yet ✓ (best)
Proposal builder Not checked yet ✓ (best)
System monitoring Not checked yet —
Permit documentation Not checked yet ✓ (best)
Specs
Deployment platform Not checked yet Web
Our review
Pros
  • Free core app includes design, proposals and project management.
  • Combines CRM, financing, e-signature, payments and equipment ordering.
  • Web and mobile apps, plus integrations with tools such as Xero and Google Calendar.
  • Combines PV and battery design with production estimates and reports
  • Creates interactive proposals with savings, payment, and cash-flow views
  • Generates self-service permit plan sets with system and electrical documents
Cons
  • API access and selected connectors are paid add-ons.
  • API and connector pricing varies by region or organization.
  • API access has a 30-day free trial rather than being part of the free core app.
  • No free plan; plans are paid
  • Project and user quotas vary by plan, with extras priced separately
  • Financing integrations are limited to GoodLeap, LightReach, and Concert
Our verdict

Solar installers and electrification professionals can use OpenSolar to manage work from system design through project delivery. Its free Core OpenSolar app combines AI-assisted solar design, customizable proposals, CRM, project…

Read the review →

Solargraf brings solar and battery system design, customer proposals, financing workflows, and permitting into a cloud-based web platform. Its tools are aimed at solar businesses, including residential and commercial workflows, that need…

Read the review →
  1. OpenSolarSolar Software 9.2Free plan · 30-day trial
  2. SolargrafSolar Software 8.8Paid

Strengths and trade-offs

  • OpenSolar — where it wins

    • Free core app includes design, proposals and project management.
    • Combines CRM, financing, e-signature, payments and equipment ordering.
    • Web and mobile apps, plus integrations with tools such as Xero and Google Calendar.

    Where it doesn't

    • API access and selected connectors are paid add-ons.
    • API and connector pricing varies by region or organization.
    • API access has a 30-day free trial rather than being part of the free core app.

  • Solargraf — where it wins

    • Combines PV and battery design with production estimates and reports
    • Creates interactive proposals with savings, payment, and cash-flow views
    • Generates self-service permit plan sets with system and electrical documents

    Where it doesn't

    • No free plan; plans are paid
    • Project and user quotas vary by plan, with extras priced separately
    • Financing integrations are limited to GoodLeap, LightReach, and Concert

More comparisons

All solar software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update