Comparison

Viper SmartStart vs Achakey

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

Achakey

Control your car's locks remotely using your smartphone. Share digital car keys with trusted individuals and manage all your vehicle access in one place. Supports specific smart box and digital key systems.

Highlights
  • Lock and unlock car doors remotely
  • Share digital car keys
  • Store multiple car keys
  • Supports Achakey Smart Box
  • Supports KG Mobility Digital Smart Key
  • Supports Kia AutoQ The Driving App Key
Read full description

You can lock and unlock the car door using the smartphone's app instead of the car key. You can share car keys like sending and receiving messages with your smartphone. You can share digital keys with friends and family through the app. You can store all of the car keys in the Achakey app. From individuals to businesses, it's over with just Achakey! It is an app that supports Achakey Smart Box. It is an app that supports KG Mobility Digital Smart Key. It is an app that supports Kia AutoQ The Driving App Key. * Note : You can purchase the product first and install it in the vehicle, or only use the app in vehicles with smart boxes already installed.

Screenshots

Viper SmartStart4 screens
Achakey4 screens

Verdict

The call

The clearest difference is rating: Viper SmartStart at 4.6 against Achakey's 2.3. Viper SmartStart also leads on ads (none vs shown) and ratings volume (8.1K vs 6). Achakey's advantage is update cadence (every 3 weeks vs every 3 months) and monetization model (ad-supported vs free with in-app purchases). On price, in-app purchases, device support and iOS requirement 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 2.3. That said, the two scores are not equally well evidenced: Viper SmartStart has 8.1K ratings behind it against 6, 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 40% of Achakey's.

UpkeepUpdate frequency

Viper SmartStart ships an update every 3 months, Achakey every 3 weeks. The most recent releases landed on October 2, 2026 and September 17, 2026 respectively.

Scorecard6 real differences · 4 level
Viper SmartStart versus Achakey: the parameters behind the verdict, then further details
ParameterViper SmartStartAchakey
PriceFreeFree
Rating4.6 (8.1K ratings) — better2.3 (6 ratings)
Positive reviews62.3% of reviews — better40.0% of reviews
Number of ratings8.1K — better6
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPod, Apple WatchiPhone, iPod, Apple Watch
Requires iOS14.0 — better15.2
Further details — not scored
Size179 MB82 MB
Age rating17+17+
DeveloperDirectedTuneit Inc.

Customer experience

Viper SmartStart

All ratings8,057 ratings
Positive92.8%
Neutral2.8%
Negative4.4%
Written reviews390 reviews
Positive62.3%
Neutral9.7%
Negative27.9%

Achakey

All ratings6 ratings
Positive33.3%
Neutral0.0%
Negative66.7%
Written reviews5 reviews
Positive40.0%
Neutral0.0%
Negative60.0%

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

Achakey

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Viper SmartStart

No in-app purchases

None

Achakey

No in-app purchases

Questions

Is Viper SmartStart free?
Viper SmartStart is free to download, with no in-app purchases.
Is Achakey free?
Achakey is free to download, with no in-app purchases.
Which has better reviews, Viper SmartStart or Achakey?
Viper SmartStart is rated higher. Viper SmartStart averages 4.6 out of 5 from 8.1K ratings, while Achakey averages 2.3 from 6 ratings.
Do Viper SmartStart or Achakey have ads?
Achakey shows ads; Viper SmartStart does not.
Which is updated more often, Viper SmartStart or Achakey?
Viper SmartStart ships an update every 3 months, and Achakey every 3 weeks. Most recently, Viper SmartStart was updated on October 2, 2026 and Achakey on September 17, 2026.

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