Electrical Engineering Pack vs Easy Ohm's Law
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Electrical Engineering Pack
This app provides a comprehensive suite of electrical calculators and converters for engineers, electricians, and students. It features over 60 calculators for various electrical parameters and 16 converter categories with extensive unit support. Calculations update automatically as input values or units are changed.
- 60+ Electrical Calculators
- 16 Electrical Converter Categories
- Automatic Calculation Updates
- Resistor Color Code Calculator
- Upgraded Voltage Drop Calculator
- NEC/IEEE Standards Compliant
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A complete pack of 60 Electrical Calculators and 16 Electrical Converters — designed for electrical engineers, electricians, and students. Now includes a Resistor Color Code Calculator and an upgraded Voltage Drop Calculator compliant with NEC/IEEE standards. Electrical Calculator List (60) 1. Resistor Color Code Calculator (New) 2. Transformer Calculator (Step-Up and Step-Down Voltage & Current Calculations) 3. Voltage Calculator 4. Current Calculator 5. Resistance Calculator 6. Power Calculator 7. Voltage Drop Calculator (Updated for NEC/IEEE Standards) 8. kVA to Amps (Single Phase) 9. kVA to Amps (Three Phase) 10. Amps to kVA (Single Phase) 11. Amps to kVA (Three Phase) 12. Single Phase Power Calculator 13. Three Phase Power Calculator 14. Single Phase Current Calculator 15. Three Phase Current Calculator 16. DC Horsepower 17. Single Phase Horsepower 18. Three Phase Horsepower 19. DC Current (HP) Calculator 20. Single Phase Current (HP) Calculator 21. Three Phase Current (HP) Calculator 22. Efficiency (DC) Calculator 23. Efficiency (Single Phase) Calculator 24. Efficiency (Three Phase) Calculator 25. Power Factor (Single Phase) Calculator 26. Power Factor (Three Phase) Calculator 27. Luminous Intensity Calculator 28. Luminous Flux Calculator 29. Solid Angle Calculator 30. Energy Cost Calculator 31. Energy Stored (Resistance) Calculator 32. Energy Stored (Inductance) Calculator 33. Energy Stored (Capacitance) Calculator 34. Star to Delta Conversion 35. Delta to Star Conversion 36. Inductive Reactance Calculator 37. Capacitive Reactance Calculator 38. Resonant Frequency Calculator 39. Inductor Sizing Formula 40. Capacitor Sizing Formula 41. Resistance (Series) Calculator 42. Resistance (Parallel) Calculator 43. Inductance (Series) Calculator 44. Inductance (Parallel) Calculator 45. Capacitance (Series) Calculator 46. Capacitance (Parallel) Calculator 47. Unknown Resistance (Series) Calculator 48. Unknown Resistance (Parallel) Calculator 49. Unknown Capacitance (Series) Calculator 50. Unknown Capacitance (Parallel) Calculator 51. Neutral Current (3-Phase Unbalanced Loads) 52. Characteristic Impedance (Parallel) 53. Characteristic Impedance (Coaxial) Electrical Converter Overview The Electrical Converter translates between multiple electrical units and supports both SI and USCS systems. Includes 16 Categories, 173 Units, and over 2,100 conversions. Converter Categories (16): 1. Field Strength 2. Electric Potential 3. Resistance 4. Resistivity 5. Conductance 6. Conductivity 7. Capacitance 8. Inductance 9. Charge 10. Linear Charge Density 11. Surface Charge Density 12. Volume Charge Density 13. Current 14. Linear Current Density 15. Surface Current Density 16. Power Smart Calculation Behavior Calculations update automatically when users change: • Input values • Input units • Output units
Easy Ohm's Law
This app helps you calculate voltage, current, resistance, and power. Simply input any two values, and the rest will be automatically computed with adjusted units. It supports a wide range of languages for global accessibility.
- Calculate voltage, current, resistance, and power
- Automatic unit adjustment
- Input any two values for instant calculation
- Supports 21 languages
- Available on iPhone and iPad
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Calculate voltage , current , resistance and power 1. Enter any of two items, the other items will be calculated 2. The units of calculated values will be adjusted automatically. 3. Support English, German, French, Italian, Spanish, Portuguese, Japanese, Korean, Traditional Chinese, Simplified Chinese, Russian, Polish, Czech, Finnish, Norwegian, Swedish, Malay, Thai, Vietnamese, Hindi, Indonesian, Turkish
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Verdict
The clearest difference is price: Easy Ohm's Law at Free against Electrical Engineering Pack's $4.99. Easy Ohm's Law also leads on iOS requirement (11.0 vs 17.6). Electrical Engineering Pack's advantage is rating (4.7 vs 1.5) and in-app purchases (none vs 1). On review sentiment, update cadence, ads 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
Easy Ohm's Law is free to download; Electrical Engineering Pack costs $4.99 up front. Easy Ohm's Law sells 1 one-off in-app purchase. Electrical Engineering Pack asks for nothing beyond the download.
Electrical Engineering Pack holds the better App Store score, 4.7 against 1.5. That said, the two scores are not equally well evidenced: Electrical Engineering Pack has 76 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 75% of Electrical Engineering Pack's written reviews are positive against 69% of Easy Ohm's Law's.
Electrical Engineering Pack ships an update every 4 months, Easy Ohm's Law every 3 months. The most recent releases landed on September 18, 2026 and September 24, 2026 respectively.
| Parameter | Electrical Engineering Pack | Easy Ohm's Law |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 4.7 (76 ratings) — better | 1.5 (2 ratings) |
| Positive reviews | 75.0% of reviews — better | 69.2% of reviews |
| Number of ratings | 76 — better | 2 |
| Update frequency | Every 4 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 11.0 — better |
| Further details — not scored | ||
| Size | 14 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | V PUGAZHENTHI | Siu Yuen Ho |
Customer experience
Electrical Engineering Pack
Easy Ohm's Law
In-app purchases
Electrical Engineering Pack
No in-app purchases
Easy Ohm's Law
- Unlock Pro feature$1.99
Questions
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Is Easy Ohm's Law free?
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