Comparison

Voltage Drop Calculator. vs Renewablebot

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

Head to head
About

Voltage Drop Calculator.

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.

Highlights
  • NEC and IEC dual standards
  • Voltage drop and wire sizing calculations
  • Support for continuous load and corrections
  • Copper or Aluminum conductor options
  • Single-phase and three-phase systems
  • Automatic compliance checks
  • PDF report generation
Features
Read full description

Perform accurate Voltage Drop and Wire Sizing calculations for both NEC® (National Electrical Code) and IEC standards. Built for electricians, engineers, and contractors who need reliable results on the go. Voltage Drop Calculator • Dual standards: Switch between NEC (AWG/Imperial) and IEC (mm²/Metric) • Enter voltage, current, run length, and power factor • Supports continuous load (125%), grouping, and ambient temperature corrections • Copper or Aluminum conductors for single-phase and three-phase systems • Detailed results including ampacity, derating, voltage drop, and load voltage • Automatic compliance checks (e.g., ≤ 3% for branch circuits) Wire Size Calculator (Reverse) • Calculates required wire size for a target voltage drop % • Suggests optimal AWG, kcmil, or mm² • Uses NEC Chapter 9, Table 9 (AC impedance) with DC fallback Professional Tools • Wire converter (AWG/kcmil ↔ mm²) • Generate and share PDF reports • Handy electrical formula cards • Localized in English, Spanish, French, German, Italian, Dutch, Portuguese, and Chinese

About

Renewablebot

Features
Read full description

Monitor, Manage, and Maximise your assets - All in One App. Stay in control of sites with a powerful, real-time dashboard. Track energy production, manage battery performance, receive instant alerts, resolve tickets, and generate reports effortlessly. Designed for technicians, managers, and energy professionals, this app puts operational intelligence at your fingertips.

Screenshots

Voltage Drop Calculator.4 screens
Renewablebot4 screens

Verdict

The call

The clearest difference is in-app purchases: Renewablebot at none against Voltage Drop Calculator.'s 1. Renewablebot also leads on ads (none vs shown) and iOS requirement (15.0 vs 17.6). On price, update cadence 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. Voltage Drop Calculator. sells 1 one-off in-app purchase. Renewablebot asks for nothing beyond the download.

UpkeepUpdate frequency

Voltage Drop Calculator. ships an update every 3 months, Renewablebot every 2 months. The most recent releases landed on October 18, 2026 and October 1, 2026 respectively.

Scorecard3 real differences · 7 level
Voltage Drop Calculator. versus Renewablebot: the parameters behind the verdict, then further details
ParameterVoltage Drop Calculator.Renewablebot
PriceFreeFree
Rating4.6 (410 ratings) — better—
Positive reviews33.3% of reviews—
Number of ratings410 — better—
Update frequencyEvery 3 monthsEvery 2 months — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.615.0 — better
Further details — not scored
Size51 MB37 MB
Age rating4+4+
DeveloperV PUGAZHENTHIRENEWABLEBOT LIMITED

In-app purchases

1 purchases

Voltage Drop Calculator.

One-time1
  • Go Pro$4.99
None

Renewablebot

No in-app purchases

Questions

Is Voltage Drop Calculator. free?
Voltage Drop Calculator. is free to download, with in-app purchases available.
Is Renewablebot free?
Renewablebot is free to download, with no in-app purchases.
Do Voltage Drop Calculator. or Renewablebot have ads?
Voltage Drop Calculator. shows ads; Renewablebot does not.
Which is updated more often, Voltage Drop Calculator. or Renewablebot?
Voltage Drop Calculator. ships an update every 3 months, and Renewablebot every 2 months. Most recently, Voltage Drop Calculator. was updated on October 18, 2026 and Renewablebot on October 1, 2026.

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