Comparison

ELECTROtools vs Photovoltaic Calculations

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

Head to head
About

ELECTROtools

This app provides electricians and engineers with essential tabulations, formulas, and graphics for various electrical and electronic tasks. It includes tools for circuit calculations, component identification, and data lookup, making it a handy reference for fieldwork and office use.

Highlights
  • Electrical tabulations and graphics
  • Formulae calculator
  • Component identification
  • Color code references
  • Cable dimensioning
  • Own document uploads
Features
Read full description

Tabulations and formulae App for electricians, electronic engineers and anybody else operating within this field of business. With this App. you always have all important information at hand! The ideal tool for building sites, customer service, workshop, office and meetings. This App. contains formulae which are automatically converted, understandable graphics and clear tabulations At present only SI-Units!!!!! Most table entries are based on German and / or European standards! The screenshots shows the design in >= iOS 7. At this time following functions are integrated: Tabulations and graphics - Protection Classes - IP Code - Current Ratings (at present only available in German) - Assignments (ISDN, TAE etc.) - Terminal Identification - Motor Terminals - Circuits (Light) - Fiber Optics Engineering - Fuse Color Codes - Color Coded Cable End Sleeves - Telecommunication cable: sorting the colorcode - Typical Illuminance Strengths - Fluorescent Lamp Data (Colors, Lengths) - Lamp Sockets - Component Symbols - Equipment Identification - Acronyms and Abbreviations (under construction) - Own Documents (Upload your own files in this App.) Formulae Calculator - Power - Motor Power - Voltage Drop - Compensation - Ohm's Law - Cable Dimensioning (Convenience-Voltage-Drop-Calculator) - Cost of Electricity - Cable Length - Cable Price (DEL, €) - Fixation Interval Calculator - Scale Calculator - Pythagorean Theorem - Power over Energy Meter - Sat-Finder, Dish Alignment Calculator (Freely selectable location coordinates and satellites.) - Barcode product search - Manufacturer Tools: Use the configurators and the know-how of the manufacturer

About

Photovoltaic Calculations

This app helps professionals and enthusiasts design, size, and analyze solar plants. It provides precise calculations for various components, optimizing yield and efficiency. Includes theoretical resources and practical tools for immediate use.

Highlights
  • Photovoltaic panel yield calculation
  • Sun position and optimal tilt angle
  • Solar cable ampacity and cross-section
  • Protective device sizing
  • Ideal inverter selection
  • Panel decay estimation
  • Series and parallel panel connections
Features
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THE FUTURE IS SOLAR ENERGY. MAXIMIZE YOUR PLANT'S YIELD. Photovoltaic Calculations is the ultimate app for industry professionals, installers, and renewable energy enthusiasts. Design, size, and analyze every aspect of your solar plant with precision and speed. Get the most out of your solar panels by optimizing every single component simply and instantly! MAIN CALCULATIONS AND SIZING: - Photovoltaic panel yield - Air mass index and fill factor - Sun position and optimal tilt angle - Irradiance on a tilted surface - Solar cell temperature and temperature effect on the module - Integrated tools: compass, inclination, altitude - Solar cable ampacity and cross-section calculation (DC) - Protective device sizing and SPD (Surge Protection Device) requirements - String sizing and short-circuit currents - Ideal inverter selection - Photovoltaic panel decay over the years - Occupied surface area and spacing between module rows - Estimation of daylight hours during the year THEORETICAL AND PRACTICAL RESOURCES: - Series and parallel panel connections - Basic concepts: module, string, and photovoltaic array - Astronomical parameters: solar zenith, solar azimuth, solar declination Everything you need is packed into an intuitive interface, which also includes a VERY USEFUL FORMULARY always at your fingertips. Do not leave efficiency to chance, start designing your perfect solar plant today!

Screenshots

ELECTROtools4 screens
Photovoltaic Calculations4 screens

Verdict

The call

The clearest difference is rating: Photovoltaic Calculations at 5.0 against ELECTROtools's 4.0. Photovoltaic Calculations also leads on update cadence (monthly vs every 2 months). ELECTROtools's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price, ratings volume 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. Photovoltaic Calculations sells 2 in-app purchases, starting at $0.99 per 3 months. ELECTROtools asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Photovoltaic Calculations holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

UpkeepUpdate frequency

ELECTROtools ships an update every 2 months, Photovoltaic Calculations monthly. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard6 real differences · 4 level
ELECTROtools versus Photovoltaic Calculations: the parameters behind the verdict, then further details
ParameterELECTROtoolsPhotovoltaic Calculations
PriceFreeFree
Rating4.0 (2 ratings)5.0 (1 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings2 — better1
Update frequencyEvery 2 monthsMonthly — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size75 MB31 MB
Age rating4+4+
DeveloperFEGIME Deutschland Marktgemeinschaft im Elektrogrosshandel GmbH & Co. KGEgal Net di Ettore Gallina

Customer experience

ELECTROtools

All ratings2 ratings
Positive50.0%
Neutral50.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Photovoltaic Calculations

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

ELECTROtools

No in-app purchases

2 purchases

Photovoltaic Calculations

Subscriptions2
  • PRO Version (3 months)$0.993 Months
  • PRO Version (1 year)7 Days trial$2.991 Year

Questions

Is ELECTROtools free?
ELECTROtools is free to download, with no in-app purchases.
Is Photovoltaic Calculations free?
Photovoltaic Calculations is free to download, with in-app purchases available.
Which has better reviews, ELECTROtools or Photovoltaic Calculations?
Photovoltaic Calculations is rated higher. ELECTROtools averages 4.0 out of 5 from 2 ratings, while Photovoltaic Calculations averages 5.0 from 1 ratings.
Do ELECTROtools or Photovoltaic Calculations have ads?
Photovoltaic Calculations shows ads; ELECTROtools does not.
Which is updated more often, ELECTROtools or Photovoltaic Calculations?
ELECTROtools ships an update every 2 months, and Photovoltaic Calculations monthly. Most recently, ELECTROtools was updated on November 1, 2026 and Photovoltaic Calculations on November 3, 2026.

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