Comparison

Electric Toolkit vs Electrical Calculator lite

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

Head to head
About

Electric Toolkit

This app provides a comprehensive collection of electrical wiring diagrams and calculators for home projects. It includes various switch and fan wiring configurations, outlet diagrams, and essential calculators for grounding, circuit breakers, and voltage drop, adhering to NEC standards.

Highlights
  • 3-way switch wiring diagrams
  • Ceiling fan wiring diagrams
  • GFCI wiring diagrams
  • Grounding conductor size calculator
  • Ohms Law calculator
  • Circuit breaker sizing calculator
  • Voltage drop calculator
  • Audio/Video cable pinouts
Features
Read full description

Electric Toolkit is an easy to use collection of electrical wiring diagrams, pinouts, and electrical calculators for home wiring projects. The Electric Toolkit includes: *Seven different 3-way switch wiring diagrams *Seven different Ceiling Fan wiring diagrams *Basic light switch wiring diagrams *4-way switching wiring diagrams *Exhaust/bathroom fan wiring diagrams *Multiple GFCI wiring diagrams *Wall outlet wiring diagram *Grounding conductor size calculator  (NEC 2014 through NEC 2023, Table 250-122) *Ohms Law calculator *Sizing a Circuit Breaker calculator  (NEC 2023, NEC 2020, NEC 2017, and NEC 2014, 240-6(a)) *Voltage drop calculator *AWG to mm/mm² calculator *Audio/Video Cable pinouts ( Component, DisplayPort, DVI, Ethernet, Firewire, HDMI/Mini HDMI/Micro HDMI, Lightning, LPT(parallel port), PS/2, RCA, Serial port, S-video, USB 3.0/Mini USB/Micro USB/USB-C, and VGA). If you have any suggestions, find bugs, or have any requests, feel free to email them to: techsupport@cyberprodigy.com

About

Electrical Calculator lite

This comprehensive tool offers over 60 calculators and 16 converters for electrical engineering, wiring, and circuit analysis. It supports engineers, electricians, students, and hobbyists with calculations ranging from basic Ohm's Law to complex RLC circuits and power conversions.

Highlights
  • 60+ Electrical Calculators
  • 16 Electrical Unit Converters
  • Ohm's Law Calculations
  • RLC Circuit Analysis
  • Power and Current Calculations
  • Transformer Calculations
  • Wire Size Selector
Features
Read full description

Trusted by over 15,000 users worldwide, the Electrical Calculator App is your all-in-one solution for electrical engineering, wiring, and circuit analysis. Designed for engineers, electricians, students, and hobbyists, this app offers a wide range of calculators to handle everything from basic Ohm’s Law to complex impedance and RLC circuits. Available Calculations: Basic Electrical Calculators: • Resistor Color Code (Ω) • Voltage Calculator (Ω) • Current Calculator (Ω) • Resistance Calculator (Ω) • Power Calculator (Ω) • Voltage Drop Calculations • Wire Size Selector Impedance Calculations (R-L-C): • Impedance Calculators R-L-C • R and L in Series • R and L in Parallel • R and C in Series • R and C in Parallel • L and C in Series • L and C in Parallel • R, L and C in Series • R, L and C in Parallel Power and Current Calculators: • Single Phase Power • Three Phase Power • Single Phase Current • Three Phase Current • kVA to Amps (Single Phase) • kVA to Amps (Three Phase) • Amps to kVA (Single Phase) • Amps to kVA (Three Phase) Transformer Calculations: • Transformer Calculator (Current) • Transformer Calculator (Voltage) Horsepower and Current (HP): • DC Horsepower • Single Phase Horsepower • Three Phase Horsepower • DC Current (HP) • Single Phase Current (HP) • Three Phase Current (HP) Efficiency and Power Factor: • Efficiency (DC) • Efficiency (Single Phase) • Efficiency (Three Phase) • Power Factor (Single Phase) • Power Factor (Three Phase) Lighting Calculations: • Luminous Intensity (Light Calculation) • Luminous Flux (Light Calculation) • Solid Angle (Light Calculation) Energy Storage and Cost Calculations: • Energy Cost Calculation • Energy Storage (Resistance) • Energy Storage (Inductance) • Energy Storage (Capacitance) Star-Delta Conversion: • Star to Delta Conversion • Delta to Star Conversion Reactance and Frequency Calculators: • Inductive Reactance • Capacitive Reactance • Resonant Frequency • Inductor Sizing Equation • Capacitor Sizing Equation Series and Parallel Calculations: • Resistance (Series) • Resistance (Parallel) • Inductance (Series) • Inductance (Parallel) • Capacitance (Series) • Capacitance (Parallel) • Unknown Resistance (Series) • Unknown Resistance (Parallel) • Unknown Capacitance (Series) • Unknown Capacitance (Parallel) Other Tools: • DC Generator Electrical Unit Converters: • Electrical Converter • Field Strength • Electrical Potential • Resistance • Resistivity • Conductance • Conductivity • Capacitance • Inductance • Charge • Linear Charge Density • Surface Charge Density • Volume Charge Density • Current • Linear Current Density • Surface Current Density • Power Whether you’re troubleshooting, designing, learning, or estimating, the Electrical Calculator App provides accurate, real-time results to support your electrical work. Download now and enhance your productivity with the most complete electrical calculator toolkit on the App Store.

Screenshots

Electric Toolkit4 screens
Electrical Calculator lite4 screens

Verdict

The call

The clearest difference is price: Electrical Calculator lite at Free against Electric Toolkit's $5.99. Electrical Calculator lite also leads on update cadence (every 5 weeks vs every 9 months). Electric Toolkit's advantage is in-app purchases (none vs 2) and ads (none vs shown). On review sentiment, 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

Electrical Calculator lite is free to download; Electric Toolkit costs $5.99 up front. Electrical Calculator lite sells 2 one-off in-app purchases. Electric Toolkit asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Electric Toolkit holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 288 and 574 respectively. Written reviews point the same way: 45% of Electric Toolkit's written reviews are positive against 41% of Electrical Calculator lite's.

UpkeepUpdate frequency

Electric Toolkit ships an update every 9 months, Electrical Calculator lite every 5 weeks. The most recent releases landed on September 22, 2026 and September 18, 2026 respectively.

Scorecard7 real differences · 3 level
Electric Toolkit versus Electrical Calculator lite: the parameters behind the verdict, then further details
ParameterElectric ToolkitElectrical Calculator lite
Price$5.99Free — better
Rating4.8 (288 ratings) — better4.6 (574 ratings)
Positive reviews45.2% of reviews — better40.6% of reviews
Number of ratings288574 — better
Update frequencyEvery 9 monthsEvery 5 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS15.6 — better17.6
Further details — not scored
Size25 MB65 MB
Age rating4+4+
DeveloperCyberprodigy LLCV PUGAZHENTHI

Customer experience

Electric Toolkit

All ratings288 ratings
Positive94.8%
Neutral2.4%
Negative2.8%
Written reviews31 reviews
Positive45.2%
Neutral6.5%
Negative48.4%

Electrical Calculator lite

All ratings574 ratings
Positive90.2%
Neutral4.4%
Negative5.4%
Written reviews32 reviews
Positive40.6%
Neutral6.3%
Negative53.1%

User reviews

Electric Toolkit

From 288 App Store ratings

What we love

  • 👍 User-friendly interface
  • 💡 Excellent diagrams and schematics
  • ✅ Easy to understand pin connections
  • 💰 Good value for money (for some)
  • 🛠️ Helpful for DIYers and electricians

Room to improve

  • 📉 Limited content/diagrams
  • 💸 Overpriced for basic info
  • 🌐 Primarily for USA market
  • 🤷 Not enough detail
  • 🗑️ Found online for free

Electrical Calculator lite

From 574 App Store ratings

What we love

  • 👍 Very helpful formulas for homework
  • 👍 Easy to use interface
  • 👍 Comprehensive electricity app, a true Swiss Army knife
  • 👍 Well-designed, intuitive, and aesthetic interface
  • 👍 Great for work, very useful

Room to improve

  • anúncios são muito irritantes
  • 💰 Useful features are paywalled (RMS calculator, transformer calculator, MVA/current calculator)
  • 💰 Costs too much
  • 💰 Extremely basic calculators, rest require purchase
  • 💰 Unlock option doesn't work

Bugs and requests

Electric Toolkit

Reported bugs

3 issues
  • Voltage drop calculator stopped working
  • Calculators have non-functional features (delete key, zero, decimal point)
  • Incorrect label for 'Circuit Length' in voltage drop calculator

Requested features

7 requests
  • More diagrams and schematics
  • Ability to create wiring diagrams
  • Option to pick installation and auto-layout wiring
  • More info about house wiring and residential electrical wiring
  • Ability to make printouts
Show 2 more
  • App to be written for CSA (UK cable sizes)
  • More detailed information on breaker circuits

Electrical Calculator lite

Reported bugs

2 issues
  • Unlock option doesn’t work
  • Voltage drop calculator is incorrect compared to other apps

Requested features

3 requests
  • Output vs frequency sweep plotting for resonance points or impedance graphs for RL and RC circuits
  • Add MHz option for capacitive and inductive reactance calculators
  • Add MHz option for resonance frequency calculator

In-app purchases

None

Electric Toolkit

No in-app purchases

2 purchases

Electrical Calculator lite

One-time2
  • 16 Electrical Converters$0.99
  • Electrical Calculators$3.99

Questions

Is Electric Toolkit free?
Electric Toolkit costs $5.99, with no in-app purchases.
Is Electrical Calculator lite free?
Electrical Calculator lite is free to download, with in-app purchases available.
Which has better reviews, Electric Toolkit or Electrical Calculator lite?
Electric Toolkit is rated higher. Electric Toolkit averages 4.8 out of 5 from 288 ratings, while Electrical Calculator lite averages 4.6 from 574 ratings.
Do Electric Toolkit or Electrical Calculator lite have ads?
Electrical Calculator lite shows ads; Electric Toolkit does not.
Which is updated more often, Electric Toolkit or Electrical Calculator lite?
Electric Toolkit ships an update every 9 months, and Electrical Calculator lite every 5 weeks. Most recently, Electric Toolkit was updated on September 22, 2026 and Electrical Calculator lite on September 18, 2026.

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