Comparison

Morrell NMS vs SolarCalc PV Pro+

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

Head to head
About

Morrell NMS

Features
Read full description

The Morrell NMS app give the users control of Morrell switches devices over the Wi-Fi network. With the app, you will be able to: * Scan the network for devices. * Ping the device, connect to the switch by SNMP protocol and open device GUI. * Get connected Wi-Fi network details. * Get connected switch details. * Test the Ping, upload and download of the network.

About

SolarCalc PV Pro+

Features
Read full description

SolarCalc PV Pro+ is the ultimate professional toolkit for solar PV system designers, electrical engineers, and solar installation professionals. Packed with 39+ powerful tools, interactive visualizations, and comprehensive reference data — everything you need in one app. ▸ SOLAR PV TOOLS • PV System Sizing - Calculate panel count, inverter size, and battery capacity • Shadow Analysis — Determine shadow length and impact on panel placement • Solar Rooftop — Estimate roof area and panel fitting capacity • Solar Water Pumping — Size PV-powered water pump systems • Off-Grid Load & Sizing — Full off-grid system design with battery backup • Monthly Radiation & Tilt — Optimal tilt angles by month and location • Solar Map — Interactive irradiance map with real-time location data • Sun Path Diagram — Polar sun path visualization with current position • Energy Yield Simulation — Annual energy production with CO₂ savings • Panel Layout Optimizer — Visual roof layout planner with panel grid • Camera Sun Finder — AR overlay showing real-time sun position ▸ ELECTRICAL CALCULATORS • Ohm's Law — V, I, R, P calculations • Voltage Drop — Cable voltage loss analysis • Cable Sizing — Minimum cross-section calculator • DC/AC Power Conversion — Inverter power calculations • Power Factor — cos φ correction analysis • Motor HP — Watt ↔ Horsepower conversion • Inverter Calculator — DC/AC inverter sizing • Conductor Resistance — R = ρL/A calculations • Busbar Current — Current carrying capacity • Transformer Calculator — Ratio and current analysis • Fault Level — Transformer fault MVA • Earthing Conductor — Grounding conductor sizing ▸ REFERENCE TABLES (12) • AWG & SWG Wire Gauge Tables • IP Rating Protection Guide • Material Resistivity Data • PV Cell & Module Specifications • World Electrical Standards • Voltage Classification • AC Breaker Types • Cable Short Circuit Ratings • ANSI Device Numbers • Power Cable Coding • Transmission Conductor Data ▸ PRO FEATURES • Save & Export Projects as PDF • Interactive Solar Map with live irradiance data • AR Camera Sun Finder • Panel Layout Optimizer • Complete reference library ▸ WHY SOLARCALC PV PRO+? • Works offline — no internet required for calculations • Professional-grade accuracy • Beautiful dark/light theme with auto-sunset mode • Location-based solar data • Regular updates with new tools Designed by solar professionals, for solar professionals. Developed by CLK Company https://clk.company Terms of Use: https://solarcalc.net/app/terms Privacy Policy: https://solarcalc.net/app/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Morrell NMS3 screens
SolarCalc PV Pro+4 screens

Verdict

The call

The clearest difference is in-app purchases: Morrell NMS at none against SolarCalc PV Pro+'s 3. Morrell NMS also leads on iOS requirement (11.0 vs 15.0). SolarCalc PV Pro+'s advantage is update cadence (every 5 months vs every 23 months). On price, ads 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. SolarCalc PV Pro+ sells 3 in-app purchases, starting at $1.99 per month. Morrell NMS asks for nothing beyond the download.

UpkeepUpdate frequency

Morrell NMS ships an update every 23 months, SolarCalc PV Pro+ every 5 months. The most recent releases landed on October 12, 2026 and October 20, 2026 respectively.

Scorecard3 real differences · 3 level
Morrell NMS versus SolarCalc PV Pro+: the parameters behind the verdict, then further details
ParameterMorrell NMSSolarCalc PV Pro+
PriceFreeFree
Update frequencyEvery 23 monthsEvery 5 months — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS11.0 — better15.0
Further details — not scored
Size32 MB24 MB
Age rating4+4+
DeveloperAswar Aldirah ElectronicsMuhammed Celik

In-app purchases

None

Morrell NMS

No in-app purchases

3 purchases

SolarCalc PV Pro+

Subscriptions2
  • Pro Monthly$1.991 Month
  • Pro Yearly$9.991 Year
One-time1
  • Pro Lifetime$9.99

Questions

Is Morrell NMS free?
Morrell NMS is free to download, with no in-app purchases.
Is SolarCalc PV Pro+ free?
SolarCalc PV Pro+ is free to download, with in-app purchases available.
Do Morrell NMS or SolarCalc PV Pro+ have ads?
Neither Morrell NMS nor SolarCalc PV Pro+ shows ads.
Which is updated more often, Morrell NMS or SolarCalc PV Pro+?
Morrell NMS ships an update every 23 months, and SolarCalc PV Pro+ every 5 months. Most recently, Morrell NMS was updated on October 12, 2026 and SolarCalc PV Pro+ on October 20, 2026.

Other comparisons