Comparison

Ideal Supply VMI vs CircKit

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

Head to head
About

Ideal Supply VMI

Features
Read full description

Ideal Supply Vendor Managed Inventory (VMI)

About

CircKit

This app provides essential electrical calculations and reference tools for electricians, contractors, and engineers. It offers advanced calculators for motor sizing, voltage drop, and more, alongside a professional reference library and built-in productivity tools.

Highlights
  • Motor sizing and protection calculators
  • Voltage drop calculator
  • Transformer sizing
  • Pipe and box fill calculators
  • Professional reference library
  • Integrated notes app
  • Unit converter
Features
Read full description

The essential electrical app for professionals. From motor sizing to voltage drop calculations, get instant results with tools designed for electricians, contractors, and engineers. Solve complex electrical problems quickly and stay compliant with the Canadian Electrical Code. AI-POWERED ASSISTANCE • Ask Sparky, your new AI electrical assistant, for help with electrical questions • Access Sparky through Siri on Apple Intelligence-compatible devices • Get quick answers even when you're outside the app ADVANCED CALCULATIONS • Motor sizing and protection calculators • Transformer sizing with protection specifications • Voltage drop calculations with wire derating • Conduit and box fill calculators • Arc flash incident energy calculator • PVC conduit expansion calculator • Redesigned and simplified Ohm's Law calculator • Installation assistant for project guidance • Recessed-light spacing for optimal layouts PROFESSIONAL REFERENCE LIBRARY • Expanded Canadian Electrical Code reference library with 75 new code entries • Wire and conduit trade-size tables with drill sizes and metric equivalents • NEMA plug and receptacle configurations and enclosure ratings • Data pinout references and phase colour codes • Bonding sizes, burial depths, and strap spacing • Torque specifications and wire reel estimator BUILT-IN PRODUCTIVITY TOOLS • Integrated notes accessible anywhere in the app • Completely rebuilt fraction calculator with a new tutorial • Unit converter spanning 14 categories • Code of the Day with optional daily notifications • Find tools from your Home Screen or Lock Screen with Spotlight • Share results without first saving them as notes • Navigate to jobs using Apple Maps, Google Maps, or Waze DESIGNED FOR PROFESSIONALS Enjoy a clean, intuitive interface that now supports landscape mode and resizable windows. Sparky's CircKit delivers organized tools electrical professionals can rely on for accurate, code-compliant results. Whether you're running conduit, sizing equipment, or planning an installation, Sparky's CircKit provides the calculations and reference data you need to work efficiently and safely. FREE TRIAL, THEN YOUR CHOICE Start with a 14-day free trial that unlocks every tool. The trial is free, never renews and is never charged. When it ends, choose the plan that suits you: • Monthly — $1.99 per month • Yearly — $14.99 per year • Lifetime — $39.99, a one-time purchase with no subscription Prices are in Canadian dollars and shown in your local currency elsewhere. Yearly subscribers can upgrade to lifetime access at a reduced price. ALREADY OWN SPARKY'S CIRCKIT? Nothing changes. If you bought the app before it became free to download, every tool stays unlocked for life. There is nothing to subscribe to and nothing to buy. SUBSCRIPTION TERMS Payment is charged to your Apple Account at confirmation of purchase. Subscriptions renew automatically unless auto-renewal is turned off at least 24 hours before the end of the current period. Your account is charged for renewal within 24 hours before the end of the current period. You can manage your subscription and turn off auto-renewal in your Apple Account settings after purchase. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.thesparky.work/privacy/

Screenshots

Ideal Supply VMI4 screens
CircKit4 screens

Verdict

The call

The clearest difference is in-app purchases: Ideal Supply VMI at none against CircKit's 9. Ideal Supply VMI also leads on iOS requirement (15.5 vs 17.0). CircKit's advantage is update cadence (weekly vs every 3 weeks). 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. CircKit sells 9 in-app purchases, starting at $1.99 per month. Ideal Supply VMI asks for nothing beyond the download.

UpkeepUpdate frequency

Ideal Supply VMI ships an update every 3 weeks, CircKit weekly. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 5 level
Ideal Supply VMI versus CircKit: the parameters behind the verdict, then further details
ParameterIdeal Supply VMICircKit
PriceFreeFree
Positive reviews—78.6% of reviews
Update frequencyEvery 3 weeksWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Paid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.5 — better17.0
Further details — not scored
Size6 MB50 MB
Age rating4+4+
DeveloperIdeal SupplyThe Sparky

In-app purchases

None

Ideal Supply VMI

No in-app purchases

9 purchases

CircKit

Subscriptions2
  • Monthly$1.991 Month
  • Yearly$14.991 Year
One-time7
  • 14 Day TrialFree
  • $1 Tip$0.99
  • $5 Tip$4.99
Show 4 more
  • $10 Tip$9.99
  • $20 Tip$19.99
  • Discounted Lifetime$22.99
  • Lifetime Access$39.99

Questions

Is Ideal Supply VMI free?
Ideal Supply VMI is free to download, with no in-app purchases.
Is CircKit free?
CircKit is free to download, with in-app purchases available.
Do Ideal Supply VMI or CircKit have ads?
Neither Ideal Supply VMI nor CircKit shows ads.
Which is updated more often, Ideal Supply VMI or CircKit?
Ideal Supply VMI ships an update every 3 weeks, and CircKit weekly. Most recently, Ideal Supply VMI was updated on October 25, 2026 and CircKit on October 30, 2026.

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