Comparison

Electrical Tools & Reference vs Solar PV System Designer

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

Head to head
About

Electrical Tools & Reference

Features
Read full description

Master electricity, circuits, and real-world wiring! Whether you're a student, apprentice, or working electrician, this comprehensive app is your go-to resource for understanding and applying electrical engineering concepts. Learn electrical theory, explore detailed wiring diagrams, and use handy tools to make everyday electrical work easier and more accurate. All-in-One Electrician’s Toolkit Learn Electrical Basics – Voltage, current, resistance, power, Ohm’s & Kirchhoff’s laws, grounding, and more Interactive Wiring Diagrams – Switches (SPST, DPST, intermediate), socket and lighting circuits, sensors, and motor connections (star/delta, capacitor, contactors) Built-In Calculators – Power, current, voltage, resistance, energy costs, resistor codes, and essential electrical formulas Schematic Symbols Library – Standard electronics symbols: resistors, capacitors, fuses, diodes, transistors, and more Clear, Practical Learning Simple, real-world explanations for beginners and pros alike Visual diagrams and field-ready schematics for easy understanding Practice your knowledge with quizzes and electrical tests Covers both theory and hands-on electrical installation cases Perfect For: Electrical engineering students & apprentices Electricians and field technicians Instructors and vocational trainers DIY enthusiasts with technical curiosity Why Choose This App? Electrician Handbook has been trusted for its practical approach to electrical education. Everything you need – from core concepts to practical applications – in one easy-to-use guide. In-app purchase Details: Monthly Subscription Lifetime Subscription Privacy Policy : https://applicationcontent.wordpress.com/privacy-policy/ Terms of use : https://applicationcontent.wordpress.com/terms-of-use/

About

Solar PV System Designer

Features
Read full description

Solar PV System Designer - Full Description Solar PV System Designer is a comprehensive battery bank configuration tool that takes the guesswork out of designing safe and efficient energy storage systems for your solar PV setup. Simply input the number of batteries you have and their voltage, and the app automatically calculates all possible output voltage configurations based on your available batteries. The intelligent algorithm analyzes series and parallel combinations to show you every safe wiring option. Key Features: Automatic Voltage Calculations - Instantly see all achievable voltage configurations from your battery inventory, whether you need 12V, 24V, 48V, or custom arrangements. Visual Configuration Display - View clear, interactive diagrams showing exactly how batteries should be connected in series and parallel to achieve each voltage option. Safety-First Design - Every configuration is validated to ensure safe operation, preventing dangerous wiring mistakes before they happen. Wire Size Recommendations - Get precise wire gauge recommendations for each configuration, ensuring proper current handling and minimizing voltage drop. Total Capacity Calculations - See the complete watt-hour (Wh) capacity for your entire battery bank across all configurations. Interactive Schematic Generator - Select your desired output voltage and instantly receive a detailed wiring schematic showing exactly how to connect your batteries, complete with wire gauge specifications for each connection. Perfect for DIY solar enthusiasts, off-grid homeowners, and professionals who want to design battery banks quickly, safely, and correctly the first time.

Screenshots

Electrical Tools & Reference4 screens
Solar PV System Designer3 screens

Verdict

The call

The clearest difference is in-app purchases: Solar PV System Designer at none against Electrical Tools & Reference's 2. Solar PV System Designer also leads on update cadence (weekly vs every 3 weeks). Electrical Tools & Reference's advantage is iOS requirement (12.0 vs 15.0). On price, ads 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. Electrical Tools & Reference sells 2 in-app purchases, starting at $2.99 per month. Solar PV System Designer asks for nothing beyond the download.

UpkeepUpdate frequency

Electrical Tools & Reference ships an update every 3 weeks, Solar PV System Designer weekly. The most recent releases landed on October 19, 2026 and October 17, 2026 respectively.

Scorecard3 real differences Β· 3 level
Electrical Tools & Reference versus Solar PV System Designer: the parameters behind the verdict, then further details
ParameterElectrical Tools & ReferenceSolar PV System Designer
PriceFreeFree
Update frequencyEvery 3 weeksWeekly β€” better
AdsNoNo
In-app purchasesYesNo β€” better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 β€” better15.0
Further details β€” not scored
Size88 MB222 MB
Age rating4+4+
DeveloperAshvin KevadiyaCepoi Mario

In-app purchases

2 purchases

Electrical Tools & Reference

Subscriptions1
  • Monthly$2.991 Month
One-time1
  • Lifetime Premium$3.99
None

Solar PV System Designer

No in-app purchases

Questions

Is Electrical Tools & Reference free?
Electrical Tools & Reference is free to download, with in-app purchases available.
Is Solar PV System Designer free?
Solar PV System Designer is free to download, with no in-app purchases.
Do Electrical Tools & Reference or Solar PV System Designer have ads?
Neither Electrical Tools & Reference nor Solar PV System Designer shows ads.
Which is updated more often, Electrical Tools & Reference or Solar PV System Designer?
Electrical Tools & Reference ships an update every 3 weeks, and Solar PV System Designer weekly. Most recently, Electrical Tools & Reference was updated on October 19, 2026 and Solar PV System Designer on October 17, 2026.

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