S vs SolarCalc
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
S
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The S-Cloud Switch Cloud Management Platform is a powerful network management tool that offers comprehensive features such as project management, device management, online learning, and information search. Through this platform, users can achieve unified management of multiple devices and batch deployment of services, enhancing operational efficiency. The platform also supports topology visualization and map display, enabling users to intuitively understand network structures and geographical information, thereby facilitating better network planning and management.
SolarCalc
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SolarCalc is the ultimate professional solar energy calculator and rooftop PV feasibility tool for homeowners, solar contractors, engineers, and renewable energy enthusiasts. Determine exact solar panel requirements, battery bank storage, financial payback (ROI), and 20-year energy savings based on your local solar irradiance and monthly electricity consumption. CORE CAPABILITIES: 1. INTELLIGENT PV & BATTERY CALCULATOR - Calculate optimal solar array size (kW), panel count, and required roof space. - Accurate annual kWh generation forecasts using regional irradiation and peak sun-hour data. - Complete financial feasibility: Net installation cost, annual savings, payback timeline (years), Net Present Value (NPV), and Levelized Cost of Energy (LCOE). 2. 20-YEAR COST COMPARISON & ROI - Interactive financial comparison between staying on the grid versus going solar. - Lifetime cash-flow projections and cumulative net savings metrics. 3. SMART SYSTEM DIAGNOSTICS & UPGRADE PLANNER - Input your existing solar modules, inverter capacity, and battery storage. - Add household appliances and electric vehicle (EV) charging profiles to detect power bottlenecks and receive engineering upgrade recommendations. 4. EXPANDED SOLAR ACADEMY - Master clean energy engineering: Bifacial modules, TOPCon N-Type technology, LiFePO4 vs. Gel batteries, Hybrid inverters with EPS backup, Micro-inverters, and Surge Protection (SPD). 5. LIVE PRIVACY MODE - Keep your investment and billing figures confidential during presentations and screen sharing with a single tap. 6. PROFESSIONAL PDF PROPOSALS - Generate client-ready B2B solar feasibility reports with custom company branding and detailed technical specs. 7. EV & SOLAR INTEGRATION - Calculate solar energy needed to charge your electric vehicle and maximize fuel savings. Make confident, profitable solar investments today with SolarCalc!
Screenshots
Verdict
The clearest difference is update cadence: SolarCalc at every 2 days against S's every 5 weeks. S's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
S ships an update every 5 weeks, SolarCalc every 2 days. The most recent releases landed on October 6, 2026 and October 19, 2026 respectively.
| Parameter | S | SolarCalc |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 weeks | Every 2 days โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod โ better |
| Requires iOS | 13.0 โ better | 15.0 |
| Further details โ not scored | ||
| Size | 80 MB | 31 MB |
| Age rating | 17+ | 4+ |
| Developer | Shenzhen Scodeno Technology Co., Ltd. | Mustafa CALISKANOZTURK |
In-app purchases
S
No in-app purchases
SolarCalc
No in-app purchases









