Comparison

Electrical Formulator vs Eaton EPOD Interactive

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

Head to head
About

Electrical Formulator

This app provides a comprehensive suite of electrical calculation tools for design and engineering challenges. It offers hundreds of conversion and calculation options, with features to save, print, and email results. Easily access frequently used and recently accessed formulas, with all calculations automatically stored.

Highlights
  • Over 100 electrical formulas
  • Save and organize results
  • Share results via email or print
  • Access most-used and recent formulas
  • Supports US/Imperial and metric units
  • Formula categories for batteries, motors, transformers, and more
Features
Read full description

Electrical Formulator: Your Complete Electrical Calculation Tool Solve virtually any electrical design or engineering challenge with this powerful and intuitive electrical formulator. Packed with hundreds of conversion and calculation tools, it’s the most versatile utility in your toolkit. Save, print, or email your results. Easily access your most-used and recently used formulas. Every calculation is automatically saved for future reference. Key Features: • Instant access to over 100 professional-grade electrical formulas • Save and organize your results for later reference • Share results via email or print • Highlights your most-used and recent formulas • Designed for engineers, electricians, and energy professionals Formula Categories: Batteries • Starting motor amperage • Number of cells required • Estimated operating time Cost Calculations • Appliance and lighting energy usage • Estimated usage hours for new bulbs • Insulation payback period BTU Conversions • BTU to joules, horsepower-hr, watt-hr, calories, foot-pounds, and more Generator Calculations • DC generator output • Generator amperage and efficiency Impedance & Reactance • Resistance & reactance combinations • Inductive and capacitive reactance • Total impedance and parallel circuits Kilowatts & Joules • Convert kilowatts to BTU/hr, joules/sec, lumens, horsepower, megajoules/hr, and more Motors • Single- and three-phase motor calculations • Locked rotor current • Motor kVA (including multiple input scenarios) • Motor speed analysis Ohm’s Law • Calculate for power, voltage, resistance, or current Transformers • Primary and secondary amperage • Full-load transformer sizing (208V, 240V, 480V for single and three-phase) • Impedance and amperage capacity calculations Voltage Drop • Copper and aluminum wire voltage drop (1-phase and 3-phase) • US/Imperial and metric units supported Wiring & Conduits • Wire size and resistance (copper and aluminum) • Wire length calculations • Conduit sizing Whether you’re working in the field, the lab, or the classroom, this electrical formulator helps you work faster, smarter, and with confidence. Users are able to calculate twelve formulas for FREE. Purchase a subscription to calculate additional formulas. All subscriptions come with a 1-WEEK FREE TRIAL and SUPPORT Family Sharing.

About

Eaton EPOD Interactive

Features
Read full description

Discover Eaton’s modular power solutions through an interactive experience. The NordicEPOD app lets you explore products in 360°, access datasheets, and view key features—all offline iOS device. Designed for field use and events, it offers smooth navigation and brand-aligned visuals. Whether you're presenting, the app makes technical insights easy and engaging. This app is Designed for anyone, no account required and available to all users. This app is publicly accessible, does not require login, and is intended for general public use.

Screenshots

Electrical Formulator4 screens
Eaton EPOD Interactive4 screens

Verdict

The call

The clearest difference is in-app purchases: Eaton EPOD Interactive at none against Electrical Formulator's 1. Eaton EPOD Interactive also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (13.0 vs 18.4). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Electrical Formulator sells 1 one-off in-app purchase. Eaton EPOD Interactive asks for nothing beyond the download.

UpkeepUpdate frequency

Electrical Formulator ships an update every 2 months, Eaton EPOD Interactive every 3 weeks. The most recent releases landed on September 26, 2026 and September 17, 2026 respectively.

Scorecard3 real differences · 7 level
Electrical Formulator versus Eaton EPOD Interactive: the parameters behind the verdict, then further details
ParameterElectrical FormulatorEaton EPOD Interactive
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews15.6% of reviews—
Number of ratings1 — better—
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.413.0 — better
Further details — not scored
Size16 MB462 MB
Age rating4+4+
DeveloperHistorycentral.comEaton Corporation

In-app purchases

1 purchases

Electrical Formulator

One-time1
  • Pro Features For Electrcial$1.99
None

Eaton EPOD Interactive

No in-app purchases

Questions

Is Electrical Formulator free?
Electrical Formulator is free to download, with in-app purchases available.
Is Eaton EPOD Interactive free?
Eaton EPOD Interactive is free to download, with no in-app purchases.
Do Electrical Formulator or Eaton EPOD Interactive have ads?
Neither Electrical Formulator nor Eaton EPOD Interactive shows ads.
Which is updated more often, Electrical Formulator or Eaton EPOD Interactive?
Electrical Formulator ships an update every 2 months, and Eaton EPOD Interactive every 3 weeks. Most recently, Electrical Formulator was updated on September 26, 2026 and Eaton EPOD Interactive on September 17, 2026.

Other comparisons