Comparison

Attenuator 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

Attenuator

Calculate output voltage, power, and attenuation based on input values and dB of attenuation. Features NMR-specific calculations for pulses and measures local magnetic fields and barometric pressure.

Highlights
  • Calculate output voltage and power
  • Specify input voltage (Vpp or Vrms)
  • Calculate attenuation in dB
  • NMR pulse calculations
  • Measure local magnetic field
  • Display barometric pressure
Read full description

Attenuator is a utility for anyone working with radio frequency sources and needs to know power and voltage after attenuation. You can specify an input voltage (Vpp or Vrms) and dB of attenuation to get the output voltage, power and attenuation. The impedance can be specified, typically 50Ω for most systems. There is a new emphasis on NMR utility, with options for calculating pulses based on reference power and pulse length. Powers are in Watts, dBm, and dB values. Measure local magnetic field to check stray static fields from magnets. See the local barometric pressure, useful if the magnet boil-off is high

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

Attenuator4 screens
Electrical Calculator lite4 screens

Verdict

The call

The clearest difference is review sentiment: Attenuator at 100% against Electrical Calculator lite's 41%. Attenuator also leads on ads (none vs shown) and rating (5.0 vs 4.6). Electrical Calculator lite's advantage is update cadence (every 5 weeks vs every 7 months) and ratings volume (574 vs 8). On price, in-app purchases, monetization model and iOS requirement 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. Attenuator sells 1 one-off in-app purchase and Electrical Calculator lite sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Attenuator holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Electrical Calculator lite has 574 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 100% of Attenuator's written reviews are positive against 41% of Electrical Calculator lite's.

UpkeepUpdate frequency

Attenuator ships an update every 7 months, Electrical Calculator lite every 5 weeks. The most recent releases landed on July 29, 2026 and September 18, 2026 respectively.

Scorecard6 real differences · 4 level
Attenuator versus Electrical Calculator lite: the parameters behind the verdict, then further details
ParameterAttenuatorElectrical Calculator lite
PriceFreeFree
Rating5.0 (8 ratings) — better4.6 (574 ratings)
Positive reviews100.0% of reviews — better40.6% of reviews
Number of ratings8574 — better
Update frequencyEvery 7 monthsEvery 5 weeks — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhoneiPhone, iPad, Mac — better
Requires iOS17.617.6
Further details — not scored
Size1 MB65 MB
Age rating4+4+
DeveloperTim E. BurrowV PUGAZHENTHI

Customer experience

Attenuator

All ratings8 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews10 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Electrical Calculator lite

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

Bugs and requests

Attenuator

Not enough reviews yet to summarise bugs or requests.

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

1 purchases

Attenuator

One-time1
  • Remove all ads$1.99
2 purchases

Electrical Calculator lite

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

Questions

Is Attenuator free?
Attenuator is free to download, with in-app purchases available.
Is Electrical Calculator lite free?
Electrical Calculator lite is free to download, with in-app purchases available.
Which has better reviews, Attenuator or Electrical Calculator lite?
Attenuator is rated higher. Attenuator averages 5.0 out of 5 from 8 ratings, while Electrical Calculator lite averages 4.6 from 574 ratings.
Do Attenuator or Electrical Calculator lite have ads?
Electrical Calculator lite shows ads; Attenuator does not.
Which is updated more often, Attenuator or Electrical Calculator lite?
Attenuator ships an update every 7 months, and Electrical Calculator lite every 5 weeks. Most recently, Attenuator was updated on July 29, 2026 and Electrical Calculator lite on September 18, 2026.

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