Comparison

Sunbase vs OpenSolar

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

Head to head
About

Sunbase

Manage all aspects of your business, from customer interactions and sales to operations and financing. Track employee locations, manage leads and appointments, and generate invoices and work orders. This app offers comprehensive tools for businesses of all sizes.

Highlights
  • Customer and sales tracking
  • Employee GPS tracking
  • Lead and appointment management
  • Invoice and work order creation
  • Financing and permit tracking
  • Inventory management
  • Email marketing tools
Features
Read full description

The mobile companion app for your Sunbase account. Let SunbaseData help take your business to the next level you can access all of your business information from customers, sales, financing, operations and installation from your office or on top of a customers roof. You can track your employees location with our GPS feature tracking their location for historical playback and mileage calculation. Great for businesses that want to know when their employees arrived and left the job site. Track your leads, appointments and customers with all of the fields that you need you can create your own. Ready to go out of the box start entering leads after signup in minutes. Appointments are automatically synchronized with Google Calendars and view-able through the system. Originally built for Solar Industry the system is incredibly flexible and is used by roofers, electrical companies, painters, therapists, landscapers and many more. Create invoices including repeat invoices to generate and send to your customers. Create work orders with permit info, what to be done, notes, attachments, pictures and details of the system. Does your industry have financing? Do you have to track financing applications or permits we got you covered. Add your attachments to the customer or the job. Add/Access them in the field they are stored safely on Amazon's S3 Cloud. We have an importer utility built into the program to make it easy to migrate your existing data from excel or another CRM solution into SunbaseData.. Job Board track the status of all of your jobs and see it visually on our job board. You can drag and drop (web version) between the different states. Integrated telephone dialer built into the system. Using the dialer your appointment setters can easily filter the list of leads you want to call and divide them up. Also support click to call, auto dialing and predictive dialing. Inventory management, tracking bundles, quantity on hand, assets, vehicles and equipment. Can track your cost for each product and your profit margin. Books and ledgers with Profit/Loss and Year end reports and an easy receipt capture tool to save the receipt onto the cloud and add a ledger transaction. Never have those faded receipts again. Also eliminates having to keep all of the records in case you are ever audited. Allow your employees to punch in though our time clock. Not only do we track the time we can tell you their location that they did it from. Did they punch out when they got home? Email Marketing blasts quickly create advanced targeted filters to pinpoint your target for an email marketing blasts. Use our Visual Email Designer or HTML editor to create the email and blast it out to your customer base. The marketing blast feature includes the ability to unsubscribe as well as track who opened the email and when. The system calculates the Read rate for you. Track Licenses/Skills/Insurance, Online Training platform. Systematize your business by creating videos and using those to train your staff. Carve territories and view your jobs and leads based off territories. Create and track your sales contracts with e-signing.

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.

Screenshots

Sunbase4 screens
OpenSolar3 screens

Verdict

The call

The clearest difference is review sentiment: Sunbase at 86% against OpenSolar's 45%. Sunbase also leads on iOS requirement (13.0 vs 15.7). OpenSolar's advantage is rating (4.4 vs 4.1). On price, ratings volume, update cadence and ads 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.

ReceptionRating · Positive reviews · Number of ratings

OpenSolar holds the better App Store score, 4.4 against 4.1. Both are backed by a comparable volume of ratings — 22 and 10 respectively. Written reviews complicate that: 86% of Sunbase's written reviews are positive against 45% of OpenSolar's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Sunbase ships an update monthly, OpenSolar every 6 weeks. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.

Scorecard3 real differences · 7 level
Sunbase versus OpenSolar: the parameters behind the verdict, then further details
ParameterSunbaseOpenSolar
PriceFreeFree
Rating4.1 (22 ratings)4.4 (10 ratings) — better
Positive reviews85.7% of reviews — better45.5% of reviews
Number of ratings22 — better10
Update frequencyMonthly — betterEvery 6 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.7
Further details — not scored
Size56 MB216 MB
Age rating4+4+
DeveloperJared DubinOpenSolar Pty Ltd

Customer experience

Sunbase

All ratings19 ratings
Positive84.2%
Neutral0.0%
Negative15.8%
Written reviews7 reviews
Positive85.7%
Neutral0.0%
Negative14.3%

OpenSolar

All ratings10 ratings
Positive80.0%
Neutral10.0%
Negative10.0%
Written reviews11 reviews
Positive45.5%
Neutral9.1%
Negative45.5%

In-app purchases

None

Sunbase

No in-app purchases

None

OpenSolar

No in-app purchases

Questions

Is Sunbase free?
Sunbase is free to download, with no in-app purchases.
Is OpenSolar free?
OpenSolar is free to download, with no in-app purchases.
Which has better reviews, Sunbase or OpenSolar?
OpenSolar is rated higher. Sunbase averages 4.1 out of 5 from 22 ratings, while OpenSolar averages 4.4 from 10 ratings.
Do Sunbase or OpenSolar have ads?
Neither Sunbase nor OpenSolar shows ads.
Which is updated more often, Sunbase or OpenSolar?
Sunbase ships an update monthly, and OpenSolar every 6 weeks. Most recently, Sunbase was updated on October 16, 2026 and OpenSolar on October 7, 2026.

Other comparisons