Comparison

Electronic Formulator vs Home Design

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

Head to head
About

Electronic Formulator

Features
Read full description

Electronic Engineer puts over 1,100 formulas and 24 reference tables in your pocket. No internet required. No ads. Just fast, accurate calculations when you need them. POWERFUL CALCULATORS Solve real-world electrical problems instantly: • Ohm's Law — Voltage, current, resistance, and power calculations • Voltage Divider — Output voltage, resistor values, current, and power dissipation • Three-Phase Power — Balanced systems, Wye and Delta connections • LED Circuits — Series resistor selection, power dissipation, max LEDs in series • 555 Timer — Astable and monostable modes with frequency, duty cycle, and timing • RLC Circuits — Resonant frequency, Q factor, bandwidth, impedance, and reactance • Power Triangle — Real, reactive, and apparent power with PF correction sizing • Impedance & Resistance — AC/DC circuit analysis • Star-Delta Conversion — Transform between Y and Δ configurations • Wheatstone Bridge — Unknown resistance and unbalanced bridge voltage • Inductors — Reactance, energy storage, series/parallel, and time constants • Wire Sizing — Circular mils, voltage drop (single and three-phase) • Capacitors, Transformers, Motors, Batteries, UPS, Lighting, and more PRO CALCULATORS Unlock advanced tools for professionals: • Op-Amp Circuits — Inverting, non-inverting, differential, and voltage follower • Filter Design — RC and RL low-pass, high-pass, and bandpass filters • PCB Trace Width — IPC-2221 current capacity and trace resistance • Skin Effect — Depth calculations for copper and custom conductors 24 REFERENCE TABLES Instantly look up critical data — no more flipping through handbooks: • AWG Wire Gauge — Diameter, area, resistance, and ampacity • NEC Ampacity Table — 60°C, 75°C, and 90°C conductor ratings • Resistor Color Codes — 4-band and 5-band decoding • Standard Resistor Values — E12, E24, E48, and E96 series • Circuit Breaker Sizes — Amp ratings, wire sizes, and typical applications • Wiring Color Codes — NEC, IEC, and Australian standards • Logic Gates Truth Tables — AND, OR, NAND, NOR, XOR, XNOR • Transformer Connections — Delta, Wye, Scott-T, Zig-Zag, and more • Power Factor Reference — Typical PF for motors, lighting, drives, and loads • SI Prefixes — From tera to femto with electronics examples • Conductor Properties — Resistivity, conductivity, and temp coefficients • Common Semiconductor Pinouts — BJTs, MOSFETs, regulators, 555, 741 • NEMA Enclosure Types — Indoor/outdoor ratings with IP equivalents • IP Protection Ratings — Solids and liquids protection levels • Ampacity Derating Factors — Temperature and conduit fill corrections • Standard Capacitor Values — Ceramic, film, and electrolytic • Cable Types — THHN, THWN, NM-B, MC, UF-B, and more • Decibel Reference — Power and voltage ratios at a glance • Motor Frame Sizes, Fuse Classes, Conduit Fill, and more UNIT CONVERSIONS Over 400 conversion formulas across 19 categories including metric, linear, liquid, cubic, pressure, weight, flow, BTU, horsepower, watts, joules, frequency, and HVAC. Plus 8 temperature scales: Celsius, Fahrenheit, Kelvin, Rankine, Réaumur, Delisle, Newton, and Rømer. BUILT FOR YOUR WORKFLOW • Favorites — Star the calculators you use daily for one-tap access • Calculation History — Every result saved automatically for easy reference • Export & Share — Send results to colleagues or save for documentation • Search & Filter — Find any formula or reference table in seconds • Dark Mode — Designed for comfortable use on job sites and in the field • US & Metric — Toggle between unit systems instantly WHY ELECTRONIC ENGINEER? Built by engineers, for engineers. We obsessed over accuracy, speed, and completeness so you can focus on what matters — getting the job done right. One purchase, no subscriptions, no recurring fees.

About

Home Design

Design your dream home with this intuitive floor plan app. Create 2D and 3D layouts for interiors and exteriors, visualize your space, and customize every detail before construction.

Highlights
  • 2D and 3D floor plan creation
  • Interior and exterior design
  • Custom house drawing
  • Offline functionality
  • Room planner tools
  • Home makeover visualization
Features
Read full description

Home design floor plan is a 3d smart draw app that enables you to do interior, exterior and home makeover designing. Sketch your dream house along room planner with plenty of helping tools. House design is a cutting-edge, user friendly and featured rich smart draw floor plan app by which you can custom home draw 2d and 3d house, room planner and floor design. You can also design gaming room planner to have better feel of your favorite games. Home makeover is the ultimate keyplan 3d features enriched interface to fulfill your passion for home design and house draw. How to use home design - draw floor plan offline app: Open the home makeover app. Home Page opens. you have option for 2d draw,3d draw and custom house draw. Design your keyplan 3d gaming room and have ideas with room planner. Architect made house designs are also included in it. Start it with the floor plan and then finalize the house design by smart draw your ideas it also give the option to cut your room into two and decorate your rooms with help of home makeover app. Visualize your sweet home before the construction and have custom made ideas for how to make it attractive and beautiful. Features of Home design floor plan smart draw app; This Keyplan 3d house design floor draw is offline app. Easy and Attractive interface for smart draw. Interior and exterior keyplan 3d designing with enriched ideas for home makeover. 2d,3d designs available for home decorate and house designs. custom house draw feature is available. Takes very less space on your device. This House design floor plan is a revolution in keyplan 3d in the way we conceptualize and create living spaces. With its powerful features, intuitive interface, and immersive technology know room planning is easier and faster. Build the house plan from basement to decoration without any architect and you fulfill your passion for house design and room planner. The best things about this app is that it allows you to custom smart draw you home design and house plans along with floor plan and continue to help till the room planning. Download the Home design floor draw with room planning offline app and kindly review it so we can improve it for our users. Privacy Policy: https://muhammadtalhaapps.blogspot.com/p/privacy-policy.html Term of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Electronic Formulator4 screens
Home Design4 screens

Verdict

The call

The clearest difference is ads: Electronic Formulator at none against Home Design's shown. Electronic Formulator also leads on update cadence (every 9 days vs every 4 months). Home Design's advantage is iOS requirement (15.6 vs 26.2). On price, in-app purchases 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. Electronic Formulator sells 1 one-off in-app purchase and Home Design sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Electronic Formulator ships an update every 9 days, Home Design every 4 months. The most recent releases landed on October 29, 2026 and October 12, 2026 respectively.

Scorecard3 real differences · 6 level
Electronic Formulator versus Home Design: the parameters behind the verdict, then further details
ParameterElectronic FormulatorHome Design
PriceFreeFree
Rating—1.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 9 days — betterEvery 4 months
AdsNo — betterYes
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS26.215.6 — better
Further details — not scored
Size19 MB129 MB
Age rating4+4+
DeveloperHistorycentral.comMuhammad Talha

In-app purchases

1 purchases

Electronic Formulator

One-time1
  • Electronic Pro$2.99
3 purchases

Home Design

Subscriptions3
  • Weekly Offer$1.997 Days
  • Monthly Offer$4.991 Month
  • Yearly Offer$19.991 Year

Questions

Is Electronic Formulator free?
Electronic Formulator is free to download, with in-app purchases available.
Is Home Design free?
Home Design is free to download, with in-app purchases available.
Do Electronic Formulator or Home Design have ads?
Home Design shows ads; Electronic Formulator does not.
Which is updated more often, Electronic Formulator or Home Design?
Electronic Formulator ships an update every 9 days, and Home Design every 4 months. Most recently, Electronic Formulator was updated on October 29, 2026 and Home Design on October 12, 2026.

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