Comparison

Viper SmartStart vs Keys Home

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

Head to head
About

Viper SmartStart

Control your car remotely from your smartphone or smartwatch. Start, lock, unlock, and locate your vehicle from anywhere. Receive real-time status updates and safety notifications.

Highlights
  • Remote start, lock, and unlock
  • Vehicle location tracking
  • Real-time status updates
  • Safety notifications (speeding, geofencing)
  • Trunk release
  • Apple Watch control
  • Roadside assistance
Features
Read full description

Start, locate and control your car from virtually anywhere with your iPhone or Apple watch! "Making the cloud-connected car a reality" - Edmunds.com "Without a doubt, one of the coolest apps I've ever seen" - GIZMODO With the release of its all-new 5th generation Viper SmartStart app, connecting with and controlling your vehicle is easier than ever – including real time status via the updated dashboards, and control via your Apple watch! - Add a Viper SmartStart GPS module to the Viper remote start or security system in your car so you can start, lock and unlock your car from virtually anywhere. You can also locate your car, share its location with your friends or family, and get safety notifications if your Viper SmartStart-protected car is speeding or goes where it's not supposed to go. - For the ultimate connected car experience, install a complete Viper SmartStart Digital System and you’ll also get engine runtime and real time status on your choice of app dashboard. Get notified if your vehicle sets a diagnostic code, or check your fuel, battery, or odometer right in the app! - All 4G LTE GPS modules come with a free 30-day GPS trial so you can check out the cool features right away, and there’s even an option for a year of free Basic service. Step up to Secure service to get 2-way control confirmations or add GPS or Small Fleet & Family for the ultimate in car control and monitoring along with extended warranty and theft protection. The sleek, modern dashboards of Viper SmartStart 5.3 mobile app give you fingertip control over the following features of your installed Viper remote start or security/remote start system: - Lock/arm - Unlock/disarm - Remote car starter - Trunk release - Panic - Aux channels Follow these three simple steps to get Viper SmartStart: 1) Download the free Viper SmartStart app 2) Get a SmartStart system installed in your vehicle 3) Set up your account, and start using your SmartStart system Viper SmartStart also includes Viper Motor Club, providing convenient 24/7 access to our nationwide roadside assistance network. Just press a button in the app to get connected for towing due to breakdown or accidents, or assistance with a dead battery or flat tire. Member roadside assistance is free with Secure or higher level service plans and pre-registration. Even if you don’t sign up, you can use the guest program for the same great service at a fixed cost. Latest features: - Real time status on your favorite dashboard! Check the remote start runtime or whether your doors are locked and more instantly just by opening the app! (digital systems only) - Monitor the battery, odometer, and fuel level in the extended Status page (requires a digital system, some features may not be supported on all vehicles) - Convenient widget for one-touch command execution without needing to open the app first - Start, lock, unlock or locate your car using your Apple watch, or send other commands - Receive alert notifications on your phone and Apple watch - Four user-selectable dashboards and launch page settings – now you can customize the app for the way you use it - Modern dashboard "swipe up to start" feature eliminates accidental remote start commands - Map page integrates GPS and SmartPark features seamlessly – locate your vehicle, or track down where you parked - Manage notifications: Each user can select how they want to receive alerts or other notifications. Choose from push alerts with custom sound effects, email, or SMS (SMS alerts may not be available outside North America)

About

Keys Home

Control your car's locks, trunk, and ignition using your mobile phone or car's Bluetooth module. This app offers a key-like interface for easy vehicle operation.

Highlights
  • Mobile phone car control
  • Bluetooth module integration
  • Lock/unlock vehicle
  • Open trunk
  • Ignition control
  • Key-like interface
Features
Read full description

the use of mobile phones and car bluetooth modules into a professional equipment match, without the original car remote control vehicle easily, realize the lock, lock the car, car, open the trunk.Provides a variety of images, key as the main interface, to control the vehicle users just click on the image on the button, can be like a button on according to the real key control of the vehicle.

Screenshots

Viper SmartStart4 screens
Keys Home4 screens

Verdict

The call

The clearest difference is rating: Viper SmartStart at 4.6 against Keys Home's 3.0. Viper SmartStart also leads on ratings volume (8.2K vs 3) and review sentiment (62% vs 50%). Keys Home's advantage is monetization model (free vs free with in-app purchases) and iOS requirement (12.0 vs 14.0). On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Viper SmartStart holds the better App Store score, 4.6 against 3.0. That said, the two scores are not equally well evidenced: Viper SmartStart has 8.2K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 62% of Viper SmartStart's written reviews are positive against 50% of Keys Home's.

UpkeepUpdate frequency

Viper SmartStart ships an update every 3 months, Keys Home every 2 months. Both last shipped on October 24, 2026.

Scorecard5 real differences · 5 level
Viper SmartStart versus Keys Home: the parameters behind the verdict, then further details
ParameterViper SmartStartKeys Home
PriceFreeFree
Rating4.6 (8.2K ratings) — better3.0 (3 ratings)
Positive reviews62.4% of reviews — better50.0% of reviews
Number of ratings8.2K — better3
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPod, Apple Watch — betteriPhone, iPod
Requires iOS14.012.0 — better
Further details — not scored
Size179 MB71 MB
Age rating17+4+
DeveloperDirectedShenzhen Ecartek Technology, Ltd.

Customer experience

Viper SmartStart

All ratings8,057 ratings
Positive92.8%
Neutral2.8%
Negative4.4%
Written reviews391 reviews
Positive62.4%
Neutral9.7%
Negative27.9%

Keys Home

All ratings2 ratings
Positive50.0%
Neutral50.0%
Negative0.0%
Written reviews4 reviews
Positive50.0%
Neutral25.0%
Negative25.0%

Bugs and requests

Viper SmartStart

Reported bugs

4 issues
  • App crashing on map view
  • Persistent login issues
  • Vehicle status not updating correctly
  • Geofencing not working as expected

Requested features

4 requests
  • Siri/Shortcuts integration
  • Customizable dashboard and widgets
  • Automatic start/stop based on temperature
  • Improved notification system

Keys Home

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Viper SmartStart

No in-app purchases

None

Keys Home

No in-app purchases

Questions

Is Viper SmartStart free?
Viper SmartStart is free to download, with no in-app purchases.
Is Keys Home free?
Keys Home is free to download, with no in-app purchases.
Which has better reviews, Viper SmartStart or Keys Home?
Viper SmartStart is rated higher. Viper SmartStart averages 4.6 out of 5 from 8.2K ratings, while Keys Home averages 3.0 from 3 ratings.
Do Viper SmartStart or Keys Home have ads?
Neither Viper SmartStart nor Keys Home shows ads.
Which is updated more often, Viper SmartStart or Keys Home?
Viper SmartStart ships an update every 3 months, and Keys Home every 2 months. Most recently, Viper SmartStart was updated on October 24, 2026 and Keys Home on October 24, 2026.

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