Comparison

Ohms Law Calc. vs SuBinary 10

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

Head to head
About

Ohms Law Calc.

This app provides a comprehensive suite of electrical calculations, including Ohm's Law, voltage drop, wire sizing, and impedance. It also offers numerous converters for various electrical units and parameters, aiding in circuit design and analysis.

Highlights
  • Ohm's Law calculations
  • Voltage drop calculator
  • Wire size calculator
  • Impedance calculations (R, L, C)
  • Electrical unit converters
  • Power and current conversions
  • Circuit design tools
Features
Read full description

Ohm's Law Calc. consists of 60 Electrical Calculators with Formulas and Circuits and 16 Electrical Converters. • Voltage Calculator • Current Calculator • Resistance Calculator • Power Calculator • Voltage Drop Calculator • Wire Size Calculator • DC Generator Calculator • Transformer Calculations (Voltage & Current) Impedance Calculators Calculate impedance for combinations of resistors (R), inductors (L), and capacitors (C) in both series and parallel configurations: • R and L in Series / Parallel • R and C in Series / Parallel • L and C in Series / Parallel • R, L and C in Series / Parallel Power and Current Conversions • kVA to Amps (Single Phase & Three Phase) • Amps to kVA (Single Phase & Three Phase) • Single Phase & Three Phase Power Calculators • Horsepower Calculators (DC, Single Phase, Three Phase) Efficiency and Power Factor Tools • Efficiency Calculators (DC, Single Phase, Three Phase) • Power Factor Calculators (Single Phase & Three Phase) Energy Storage Calculators • Energy Cost Calculator • Energy Storage Calculators (Resistance, Inductance, Capacitance) Circuit Design Tools • Star-to-Delta and Delta-to-Star Conversions • Inductive & Capacitive Reactance Calculators • Resonant Frequency Calculator • Inductor and Capacitor Sizing Equations Component Calculations • Series and Parallel Calculators for Resistance, Inductance, and Capacitance • Unknown Resistance and Capacitance Calculators (Series & Parallel) More Calculations • Neutral Current (3-Phase Unbalanced Loads) • Characteristic Impedance (Parallel & Coaxial) • Transformer Calculator • Voltage Divider Calculator Illumination Calculators • Luminous Intensity Calculator • Luminous Flux Calculator • Solid Angle Calculator Electrical Converters • Field Strength Converter • Electrical Potential Converter • Resistance and Resistivity Converters • Conductance and Conductivity Converters • Capacitance and Inductance Converters • Charge Converters: Handles conversions for electrical charge, including: • Linear Charge Density • Surface Charge Density • Volume Charge Density • Linear Current Density • Surface Current Density • Power Converter App works with both iPhones, iPads and Mac Multiple Unit Compatibility: Supports a wide range of units for all electrical parameters, including Ohms, kiloOhms, Farads, Henrys, kVA, Volts, Weber, and more.

About

SuBinary 10

Easily convert between binary, decimal, hexadecimal, and octal number systems. Simply input your values into the text area and let the application perform the conversions for you.

Highlights
  • Binary to Decimal conversion
  • Hexadecimal to Octal conversion
  • Supports multiple number systems
  • Intuitive text input
  • Real-time conversions
Features
Read full description

Now you can convert Binary to Decimal, HexaDecimal to OctaDecimal or whatever you want. Just tap on the text area and enter values. Then, let them app convert for you.

Screenshots

Ohms Law Calc.4 screens
SuBinary 104 screens

Verdict

The call

The clearest difference is ratings volume: Ohms Law Calc. at 1.3K against SuBinary 10's 3. SuBinary 10's advantage is rating (5.0 vs 4.7) and iOS requirement (15.6 vs 17.6). On price, update cadence, ads and in-app purchases 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. Ohms Law Calc. sells 1 one-off in-app purchase and SuBinary 10 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

SuBinary 10 holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Ohms Law Calc. has 1.3K ratings behind it against 3, so its average is the more settled of the two.

UpkeepUpdate frequency

Ohms Law Calc. ships an update every 2 months, SuBinary 10 every 6 weeks. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

Scorecard3 real differences · 7 level
Ohms Law Calc. versus SuBinary 10: the parameters behind the verdict, then further details
ParameterOhms Law Calc.SuBinary 10
PriceFreeFree
Rating4.7 (1.3K ratings)5.0 (3 ratings) — better
Positive reviews50.0% of reviews—
Number of ratings1.3K — better3
Update frequencyEvery 2 monthsEvery 6 weeks — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.615.6 — better
Further details — not scored
Size59 MB15 MB
Age rating4+4+
DeveloperV PUGAZHENTHIEnes Akkus

Customer experience

Ohms Law Calc.

All ratings1,328 ratings
Positive92.8%
Neutral3.5%
Negative3.7%
Written reviews44 reviews
Positive50.0%
Neutral6.8%
Negative43.2%

SuBinary 10

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Ohms Law Calc.

Reported bugs

3 issues
  • Paid version not unlocking
  • Repeatedly prompting for payment after already paid
  • Keyboard overlaying results making it difficult to see

Requested features

3 requests
  • Add more electrical conversions and calculations
  • Add ability to input voltage and resistance to get amps and watts
  • Add kVA, rms, and other popular needed conversions

SuBinary 10

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Ohms Law Calc.

One-time1
  • Ohms Law Calc.$3.99
1 purchases

SuBinary 10

One-time1
  • Remove Ads$0.99

Questions

Is Ohms Law Calc. free?
Ohms Law Calc. is free to download, with in-app purchases available.
Is SuBinary 10 free?
SuBinary 10 is free to download, with in-app purchases available.
Which has better reviews, Ohms Law Calc. or SuBinary 10?
SuBinary 10 is rated higher. Ohms Law Calc. averages 4.7 out of 5 from 1.3K ratings, while SuBinary 10 averages 5.0 from 3 ratings.
Do Ohms Law Calc. or SuBinary 10 have ads?
Both Ohms Law Calc. and SuBinary 10 show ads.
Which is updated more often, Ohms Law Calc. or SuBinary 10?
Ohms Law Calc. ships an update every 2 months, and SuBinary 10 every 6 weeks. Most recently, Ohms Law Calc. was updated on November 1, 2026 and SuBinary 10 on November 2, 2026.

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