Comparison

ElectriCalc Pro vs SCR MAXFLO™

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

Head to head
About

ElectriCalc Pro

This app provides electricians and electrical professionals with a powerful tool for performing complex calculations based on the latest National Electrical Code (NEC). It offers solutions for wire sizing, voltage drop, conduit sizing, and motor calculations, saving time and ensuring code compliance.

Highlights
  • NEC compliant calculations
  • Wire and conduit sizing
  • Voltage drop calculations
  • Motor full-load amps
  • Ohm's Law solver
  • Built-in help and tutorials
Features
Read full description

FREE Try Before You Buy trial, your App Store account is not charged by Apple during the free trial. Electrical Contractors, Designers, Electricians, and Lighting Specialists solve tough electrical calculations in seconds and deliver those solutions in conformance with the latest NEC®. The ElectriCalc Pro electrical code calculator is compliant with 2023, 2020, 2017, 2014, 2011, 2008, 2005, 2002, 1999, and 1996 NEC®. The official US-based National Electrical Code® (NEC) ElectriCalc Pro from Calculated Industries for iOS is a full-featured emulation of our popular #5065/#5070 models. ----- Full Functionality of our Pro Handheld Calculator ----- • Experience the power of a professional calculator on your iPhone. • ElectriCalc Pro replicates all features & solutions of our top-rated handheld model. ----- Built-in Help & Tutorials ----- • Press and hold any key for clear definitions, examples, and usage guides. • A complete user manual is also available. ----- Complete Electrical Reference Tool ----- • Save time, trouble, and money with ElectriCalc Pro's comprehensive electrical reference data. • All the info you need for calculations and code compliance is built into one app. The ElectriCalc Pro is a complete electrical reference tool that will save time, trouble, and money. ElectriCalc Pro Solutions: • Wire Sizes • Voltage Drop • Conduit Sizing • Motor Full-Load Amps • Fuse and Breaker Sizes • Service and Equipment Grounding Conductor Sizes • Parallel Resistance • Ohm’s Law Calculations – enter any two values to solve for the third • Circular MILS wire sizes ElectriCalc Pro Calculations: • Work directly in and convert between Amps, Watts, Volts, Volt-Amps, kVA, kW, PF% and EFF%, and DC Resistance • Calculate wire sizes per NEC® 310-16 and 310-17; Copper or aluminum, 3Ø/1Ø, 60°C, 75°C, 90°C insulation ratings and 100% or 125% of ampacity. Can also adjust wire sizes for ambient temperatures other than 30◦ C and more than three wires in a raceway • Integrated voltage drop solutions. Find minimum VD wire size, maximum length for any given wire size, drop percentage, actual number and percentage of Volts dropped • Conduit sizing for 12 types of conduit. Plus, it gives fill percentages, cross-sectional areas, remaining areas, and more • Find Motor Full-Load Amps per current NEC®. Works in 1Ø and 3Ø with the newly expanded tables for 3Ø induction (to 500 hp), synchronous (to 200 hp), and DC motors per NEC® 430-247, 430- 248 and 430-250 • Calculates Fuse and Breaker Sizes per NEC® 430-52 • Parallel and derated wire sizing • Parallel Resistance • NEC Table number displays when performing Wire Size calculations • Sizes overload protection per NEC® 430-32 • Automatically finds NEMA starter sizes • Calculates service and equipment grounding conductor sizes per NEC®: 250-122 and 250-66. • Enter BTU to find Kilowatts per Hour • Enter Kilowatts per Hour to find BTU • Ohm’s Law Calculations – enter any two values to solve for the third • Enter, solve, or convert to Circular MILS wire sizes Note: Electrical math is universal. However, code-based sizing solutions are based on the US National Electrical Code® (NEC); users in other countries should check with their local Code Officials for applicability. SUBSCRIPTION INFORMATION The first seven days are free. Subscriptions offered will automatically renew at the end of the chosen period. Upon purchase confirmation and completion of a free trial, payment will be charged to your Apple account. The subscription will automatically renew unless auto-renew is turned off or the subscription is canceled in settings at least one day (24 hours) before the subscription period ends. You can manage your subscription and turn off auto-renewal in your Apple account Settings > Account (Apple ID) > Subscriptions. TRADEMARKS ElectriCalc(TM) and Calculated Industries® are trademarks and registered trademarks of Calculated Industries, Inc. Copyright 2024

About

SCR MAXFLO™

This app calculates pressure drop, fluid velocity, Reynold's number, and friction factor for liquids and gases. It allows users to create custom projects, manage pipes, fluids, and fittings, and supports both metric and imperial units for efficient on-site work.

Highlights
  • Pressure drop calculation
  • Fluid velocity calculation
  • Reynold's number calculation
  • Friction factor calculation
  • Custom project creation
  • Pipe, fluid, and fitting management
  • Metric and imperial unit support
Features
Read full description

The SCR MAXFLO™ App calculates pressure drop, fluid velocity, Reynold’s number, and friction factor for both liquid and gas. Other features include the ability to create custom projects as well as the ability to add and edit pipes, fluids, and fittings. Need to work in metric and imperial units? The SCR MAXFLO™ App has you covered. From changing pipe size on the fly to sharing your calculations with other users, the SCR MAXFLO™ App can help you work quickly and efficiently on any job site.

Screenshots

ElectriCalc Pro4 screens
SCR MAXFLO™4 screens

Verdict

The call

The clearest difference is in-app purchases: SCR MAXFLO™ at none against ElectriCalc Pro's 2. ElectriCalc Pro's advantage is ratings volume (354 vs 5) and rating (4.9 vs 4.6). On price, update cadence and ads 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. ElectriCalc Pro sells 2 in-app purchases, starting at $4.99 per month. SCR MAXFLO™ asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

ElectriCalc Pro holds the better App Store score, 4.9 against 4.6. That said, the two scores are not equally well evidenced: ElectriCalc Pro has 354 ratings behind it against 5, so its average is the more settled of the two.

UpkeepUpdate frequency

ElectriCalc Pro ships an update every 10 months, SCR MAXFLO™ every 11 months. The most recent releases landed on September 19, 2026 and September 9, 2026 respectively.

Scorecard6 real differences · 4 level
ElectriCalc Pro versus SCR MAXFLO™: the parameters behind the verdict, then further details
ParameterElectriCalc ProSCR MAXFLO™
PriceFreeFree
Rating4.9 (354 ratings) — better4.6 (5 ratings)
Positive reviews78.1% of reviews—
Number of ratings354 — better5
Update frequencyEvery 10 months — betterEvery 11 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS14.0 — better16.6
Further details — not scored
Size29 MB7 MB
Age rating12+4+
DeveloperCalculated IndustriesSouthwire Company

Customer experience

ElectriCalc Pro

All ratings354 ratings
Positive98.9%
Neutral0.3%
Negative0.8%
Written reviews32 reviews
Positive78.1%
Neutral6.3%
Negative15.6%

SCR MAXFLO™

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

ElectriCalc Pro

Subscriptions2
  • 1 Month Full Access7 Days trial$4.991 Month
  • 1 Year Full Access7 Days trial$39.991 Year
None

SCR MAXFLO™

No in-app purchases

Questions

Is ElectriCalc Pro free?
ElectriCalc Pro is free to download, with in-app purchases available.
Is SCR MAXFLO™ free?
SCR MAXFLO™ is free to download, with no in-app purchases.
Which has better reviews, ElectriCalc Pro or SCR MAXFLO™?
ElectriCalc Pro is rated higher. ElectriCalc Pro averages 4.9 out of 5 from 354 ratings, while SCR MAXFLO™ averages 4.6 from 5 ratings.
Do ElectriCalc Pro or SCR MAXFLO™ have ads?
Neither ElectriCalc Pro nor SCR MAXFLO™ shows ads.
Which is updated more often, ElectriCalc Pro or SCR MAXFLO™?
ElectriCalc Pro ships an update every 10 months, and SCR MAXFLO™ every 11 months. Most recently, ElectriCalc Pro was updated on September 19, 2026 and SCR MAXFLO™ on September 9, 2026.

Other comparisons