Comparison

JJ Solar vs FourStage

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

Head to head
About

JJ Solar

This platform connects consumers with solar energy solutions. It facilitates the estimation of solar PV installations, communication with providers, online payments, and scheduling of site visits for a seamless green energy transition.

Highlights
  • Solar PV installation estimation
  • Connect with solar providers
  • Online payment processing
  • Schedule site visits
  • Track earnings
  • Plan daily activities
Read full description

JJ PV SOLAR a leading manufacturer and exporters of mono and multi Crystalline Solarpanels from 10W to 300W with highly advance and automatic production facility incollaboration with European technology providers. To do a smarter way to do Rooftop Solar PV installation. JJPV Solar developed an App (the β€œJJPV Solar App”) is a Solar PV app that is a fully online platform of JJPV Solar Private Limited. JJPV Solar App has developed a mobile App for its consumers to find and connect with the JJPV Solar for their solar needs. The JJPV Solar App changes the way end customers and rooftop solar professionals work Keep track of how much you’re making after every day, right on the map. Schedule site visits around your life. Plan your days easier with estimated times until your next request and a forecast of activities. The app estimates the solar PV installation, helps the consumer to connect with the JJPV to communicate, pay online and plan their solar installation. This is the smart way to harness the green and smart energy which is developed by the one of the most innovative company in solar. JJ PV SOLAR offers complete Engineering Procurement and Construction (EPC) Services with TURNKEY Solution from concept to commissioning of Solar power plant and projects of any size in India as well as in Asia, Africa, Europe, Gulf and American countries.

About

FourStage

Features
Read full description

FourStage is a top-of-the-line customer relationship management (CRM) platform designed to help businesses manage their client interactions more efficiently. With its advanced features and capabilities, FourStage offers a comprehensive solution for managing customer data, streamlining sales and marketing activities, and improving business processes. From contact management and sales tracking to marketing automation and analytics, FourStage provides businesses with a complete set of tools to enhance their customer engagement and increase sales. With FourStage, you can store all customer data in one place, track deals, opportunities, and pipelines, automate your marketing tasks, and get real-time insights into your business metrics through detailed analytics and reporting. Whether you're a small business owner or an enterprise-level organization, FourStage can help you take your customer relationship management to the next level. Experience the power of FourStage and transform the way you manage your clients today. FourStage empowers businesses with seamless customer data management, sales tracking, marketing automation, and detailed analytics. Elevate your CRM game with FourStage today!

Screenshots

JJ Solar4 screens
FourStage4 screens

Verdict

The call

The clearest difference is update cadence: JJ Solar at fortnightly against FourStage's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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

UpkeepUpdate frequency

JJ Solar ships an update fortnightly, FourStage every 4 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

Scorecard1 real difference Β· 7 level
JJ Solar versus FourStage: the parameters behind the verdict, then further details
ParameterJJ SolarFourStage
PriceFreeFree
Positive reviews100.0% of reviewsβ€”
Update frequencyFortnightly β€” betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeβ€”
DevicesiPhone, iPodiPhone, iPad, iPod β€” better
Requires iOS13.413.0 β€” better
Further details β€” not scored
Size56 MB149 MB
Age rating4+17+
DeveloperAHASOLAR TECHNOLOGIES LIMITEDVertical Axion, LLC

In-app purchases

None

JJ Solar

No in-app purchases

None

FourStage

No in-app purchases

Questions

Is JJ Solar free?
JJ Solar is free to download, with no in-app purchases.
Is FourStage free?
FourStage is free to download, with no in-app purchases.
Do JJ Solar or FourStage have ads?
Neither JJ Solar nor FourStage shows ads.
Which is updated more often, JJ Solar or FourStage?
JJ Solar ships an update fortnightly, and FourStage every 4 months. Most recently, JJ Solar was updated on October 24, 2026 and FourStage on October 27, 2026.

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