Best Voltage Drop Apps

245+ iOS apps curated and reviewed

4.6 avg rating
15 free apps
Updated October 2026

Out of 245+ voltage drop apps on iOS, 15 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Voltage Drop Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Southwire® Voltage Drop CalcSouthwire® Voltage Drop CalcFree4.6★ (1.5K)NoNoOct 2026
2Voltage Drop Calculator.Voltage Drop Calculator.Free4.6★ (413)YesYesOct 2026
3Voltage Drop Calc NEC & IECVoltage Drop Calc NEC & IECFree—NoYesOct 2026
4Prysmian Group Voltage DropPrysmian Group Voltage DropFree5.0★ (6)NoNoMay 2026
5Voltage Drop.Voltage Drop.Free——NoJul 2026
6Voltage Drop & Wire SizeVoltage Drop & Wire SizeFree5.0★ (1)NoYesOct 2026
7Voltage Drop Pro - ElectricianVoltage Drop Pro - ElectricianFree—NoYesOct 2026
8WireSize: Voltage Drop, AWGWireSize: Voltage Drop, AWGFree—NoYesOct 2026

Top Picks for Voltage Drop

Southwire® Voltage Drop Calc#1
4.6😐(1.5K ratings)
Free
Southwire® Voltage Drop Calc screenshot 1
Southwire® Voltage Drop Calc screenshot 2
Southwire® Voltage Drop Calc screenshot 3
Southwire® Voltage Drop Calc screenshot 4
Southwire® Voltage Drop Calc screenshot 5
Southwire® Voltage Drop Calc screenshot 6

Calculate the appropriate wire size for electrical circuits. This tool helps determine wire size based on voltage drop and current carrying capacity, ensuring compliance with NEC ampacity limits.

What We Love

  • 🚀 Quick and useful
  • 🚀 Great Quick Reference
  • 👍 A must have app for electricians
  • 👍 Love These
  • 👍 Electrical Engineer
  • 👍 Awesome app
  • 👍 Safer
  • 👍 Useful
  • 👍 Handy
  • 👍 Great App
  • 👍 Dependable app
  • 👍 Electrician tech
  • 👍 Solid and simple to use app
  • 👍 Great app

Room to Improve

  • 🐛 Motor starting Voltage drop
  • 🐛 Useless!
  • 🐛 Won't work
  • 🐛 How to use
  • 🐛 Confused
  • 🐛 Bad app
  • 🐛 Bad
  • 🐛 Not applicable for Residential
  • 🐛 Electrician
  • 🐛 Terrible
  • 🐛 Not working
  • 🐛 What??
  • 🐛 Terrible
  • 🐛 Don't work
  • 🐛 Terrible
  • 🐛 Choice Between AWG and Metric wire Gauge
  • 🐛 Updated app not so simple
  • 🐛 The last version was better
  • 🐛 App
  • 🐛 Terrible
  • 🐛 Voltage drop calculator
  • 🐛 IOS 8
  • 🐛 One flaw
  • 🐛 Worst app ever
  • 🐛 Average
Voltage Drop Calculator.#2

Voltage Drop Calculator. by V PUGAZHENTHI

Wire Size, NEC & IEC Tools
Strong Contender
🔧 Utilities
4.6(413 ratings)
FreeAdsIn-App Purchases
Voltage Drop Calculator. screenshot 1
Voltage Drop Calculator. screenshot 2
Voltage Drop Calculator. screenshot 3
Voltage Drop Calculator. screenshot 4
Voltage Drop Calculator. screenshot 5
Voltage Drop Calculator. screenshot 6

Calculate voltage drop and wire size using both NEC and IEC standards. Supports various load types, conductor materials, and system configurations. Generates detailed reports for electricians, engineers, and contractors.

More Voltage Drop apps to explore

FAQ about Voltage Drop

What are the best voltage drop apps for iPhone?
Southwire® Voltage Drop Calc tops our voltage drop apps ranking as of October 2026, with a 4.6-star average from 1.5K App Store ratings, and it's free to download.
Yes — 15 of the top voltage drop apps we rank are free to download, including Southwire® Voltage Drop Calc and Voltage Drop Calculator..
Southwire® Voltage Drop Calc has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 245+ voltage drop apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

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