Comparison

Car Key Remote vs Circuits

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

Head to head
About

Car Key Remote

Transform your phone into a digital car key for remote monitoring and control. Add your car model, upload photos, and manage essential vehicle information like tire pressure, fuel level, and location. Securely lock/unlock doors from anywhere.

Highlights
  • Digital car key functionality
  • Real-time vehicle monitoring
  • Remote lock/unlock doors
  • Vehicle location tracking
  • Tire pressure and fuel level checks
  • Personalized car profiles
Features
Read full description

Car Key Remote: Connect Car transforms your phone into a digital key for your vehicle, offering real-time monitoring and remote control features. Add your specific car model, customize with photos, and manage essential vehicle information from anywhere. Key Features: - Add your car by brand and model for personalized setup - Upload vehicle photos to your car profile - Monitor tire pressure in real-time - Check fuel level or battery charge status - Track total distance and trip information - Remote lock/unlock doors securely - View your car's location on an interactive map Stay connected to your vehicle with Car Key Remote: Connect Car — modern car control and monitoring at your fingertips. Disclaimer: Remote features are available only for supported vehicles and may vary depending on model, region, and compatibility. Payment will be charged to the credit card connected to your iTunes Account when you confirm the initial subscription purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24-hours before the end of the current subscription period. Your account will be charged for renewal within 24-hours prior to the end of the current period, and the cost of the renewal will be identified. You may manage your subscription and auto-renewal may be turned off by going to your Account Settings after the purchase. Any unused portion of a free trial period, if offered, will be forfeited when you purchase a subscription, where applicable. Terms of Use & Privacy Policy: https://docs.google.com/document/d/1NQkfJuK5fewhcWTNzAUcZms57-DGerHtETOp-SYmQHA/edit?usp=sharing https://docs.google.com/document/d/1JEBm7HyysQTTJ7QjpMfBUghW1f8lFz3XdBshkWi-Gl8/edit?usp=sharing

About

Circuits

An interactive tool for analyzing 3-phase AC circuits, offering quick and accurate calculations for electrical engineering students and professionals. Supports all four configurations with flexible input options and privacy-focused on-device operation.

Highlights
  • Interactive circuit diagram
  • Calculations for all four configurations
  • Source, line, and load voltage analysis
  • Per-phase and total power calculations
  • Flexible input for balanced/unbalanced loads
  • Rectangular or phasor value entry
Features
Read full description

Circuits is a free, interactive tool for analyzing 3-phase AC circuits. Built for electrical engineering students and professionals who need quick, accurate results. TAP. ENTER. CALCULATE. Tap any component on the interactive circuit diagram to enter values in rectangular or phasor form. Press Calculate to get complete results instantly. ALL FOUR CONFIGURATIONS Y-Y (Wye-Wye) Y-Delta (Wye-Delta) Delta-Y (Delta-Wye) Delta-Delta (Delta-Delta) COMPLETE ANALYSIS Source, line, and load voltages Line and phase currents Neutral current (Y-Y) Per-phase and total power (S, P, Q, PF) Interactive phasor diagram FLEXIBLE INPUT Balanced or unbalanced sources and loads Positive, negative, or custom phase sequences Source impedance, line impedance, and neutral impedance Rectangular (a + jb) or phasor (Mag angle) entry PRIVACY FIRST Runs entirely on your device. No account, no tracking, no data collection. Your values never leave your phone.

Screenshots

Car Key Remote4 screens
Circuits4 screens

Verdict

The call

The clearest difference is rating: Car Key Remote at 4.3 against Circuits's 3.0. Car Key Remote also leads on ratings volume (3 vs 1). Circuits's advantage is in-app purchases (none vs 2) and device support (3 vs 1). On price 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. Car Key Remote sells 2 in-app purchases, starting at $5.99 per 7 days. Circuits asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Car Key Remote holds the better App Store score, 4.3 against 3.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Scorecard6 real differences · 3 level
Car Key Remote versus Circuits: the parameters behind the verdict, then further details
ParameterCar Key RemoteCircuits
PriceFreeFree
Rating4.3 (3 ratings) — better3.0 (1 ratings)
Number of ratings3 — better1
Update frequency—Every 5 days
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionFree — better
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS1715.0 — better
Further details — not scored
Size23 MB2 MB
Age rating4+4+
DeveloperAutoControl SystemsGabriel Elias Gabrie Kattan

In-app purchases

2 purchases

Car Key Remote

Subscriptions2
  • Connect Car: Digital Car Key$5.997 Days
  • Car Key Remote: Connect Car3 Days trial$5.997 Days
None

Circuits

No in-app purchases

Questions

Is Car Key Remote free?
Car Key Remote is free to download, with in-app purchases available.
Is Circuits free?
Circuits is free to download, with no in-app purchases.
Which has better reviews, Car Key Remote or Circuits?
Car Key Remote is rated higher. Car Key Remote averages 4.3 out of 5 from 3 ratings, while Circuits averages 3.0 from 1 ratings.
Do Car Key Remote or Circuits have ads?
Neither Car Key Remote nor Circuits shows ads.

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