Comparison

SMUD vs KARR Security

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

Head to head
About

SMUD

Manage your home electricity service with ease. View your bill, track usage, report outages, and make payments all from your device. Stay informed about your energy consumption and billing history.

Highlights
  • View bill history
  • Make payments
  • Track electricity usage
  • Get outage information
  • Report power outages
  • Schedule auto bill pay
Features
Read full description

The SMUD App offers our residential customers easy access to the things that are most important to you when it comes to home energy usage. We want your experience to be fast and simple, so once you sign in, you'll stay signed in on your device until you sign out, no matter how many times you visit. The first thing you'll see is a summary of your bill, electricity use, outage info and how to get in touch with us. Tap a tile to reveal the features: Bill - See your bill history - Make a payment - See your payment history - Schedule or cancel payments - Add or change payment methods - Schedule auto bill pay - Enroll in paperless billing Usage - See how much electricity you've used in this billing cycle - Check the current cost of your electricity use Outage - Get up-to-the minute outage info - Report a power outage See and do everything that's most important to you when it comes to your residential electricity service. Tap into energy with the SMUD App.

About

KARR Security

This app enhances KARR Security systems, offering theft prevention and GPS-based vehicle recovery. It provides convenient, selectable features for seamless integration with the security products.

Highlights
  • Seamless integration with KARR Security products
  • Theft prevention features
  • GPS-based vehicle recovery
  • Convenient and selectable features
Features
Read full description

The KARR Security companion App is designed with convenient and selectable features for seamless integration with KARR Security products. KARR Security systems are theft prevention and GPS based recovery devices offered at most automotive dealers across the United States.

Screenshots

SMUD4 screens
KARR Security4 screens

Verdict

The call

The clearest difference is rating: SMUD at 4.4 against KARR Security's 2.9. SMUD also leads on ratings volume (931 vs 192). KARR Security's advantage is review sentiment (44% vs 23%). 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

SMUD holds the better App Store score, 4.4 against 2.9. Both are backed by a comparable volume of ratings — 931 and 192 respectively. Written reviews complicate that: 23% of SMUD's written reviews are positive against 44% of KARR Security's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard3 real differences · 7 level
SMUD versus KARR Security: the parameters behind the verdict, then further details
ParameterSMUDKARR Security
PriceFreeFree
Rating4.4 (931 ratings) — better2.9 (192 ratings)
Positive reviews22.6% of reviews44.0% of reviews — better
Number of ratings931 — better192
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.015.0
Further details — not scored
Size134 MB189 MB
Age rating4+4+
DeveloperSMUDWEBHOUSE SOFTWARE SOLUTIONS PTY LTD

Customer experience

SMUD

All ratings931 ratings
Positive86.5%
Neutral1.7%
Negative11.8%
Written reviews124 reviews
Positive22.6%
Neutral4.8%
Negative72.6%

KARR Security

All ratings192 ratings
Positive43.2%
Neutral5.2%
Negative51.6%
Written reviews91 reviews
Positive44.0%
Neutral3.3%
Negative52.7%

User reviews

SMUD

From 931 App Store ratings

What we love

  • 🚀 Easy to use
  • 📈 Helpful for tracking energy usage
  • 💳 Convenient bill payment

Room to improve

  • 🐛 Frequent crashes and freezes
  • 🔑 Login issues and sign-out problems
  • 🕰️ Delayed or inaccurate data display

KARR Security

From 192 App Store ratings

What we love

  • 🚀 Efficient tracking and notifications
  • 🔒 Helpful security features
  • 👍 User-friendly app interface
  • 💡 Convenient vehicle management

Room to improve

  • 🐛 Connectivity and reliability issues
  • 🔍 Inaccurate location tracking
  • 💤 Limited remote functionality
  • 🤔 Confusing setup and onboarding

Bugs and requests

SMUD

Reported bugs

3 issues
  • App crashes when accessing usage data
  • Autopay feature not working as expected
  • Compatibility issues with newer iOS versions

Requested features

3 requests
  • Dark mode option
  • Customizable payment scheduling
  • Improved push notification support

KARR Security

Reported bugs

4 issues
  • App crashes and freezes frequently
  • Notifications not working as expected
  • Inconsistent connectivity with vehicle
  • Incorrect vehicle location reporting

Requested features

4 requests
  • Improve remote lock/unlock capabilities
  • Provide more detailed location tracking
  • Add support for smartwatch integration
  • Enhance customization options

In-app purchases

None

SMUD

No in-app purchases

None

KARR Security

No in-app purchases

Questions

Is SMUD free?
SMUD is free to download, with no in-app purchases.
Is KARR Security free?
KARR Security is free to download, with no in-app purchases.
Which has better reviews, SMUD or KARR Security?
SMUD is rated higher. SMUD averages 4.4 out of 5 from 931 ratings, while KARR Security averages 2.9 from 192 ratings.
Do SMUD or KARR Security have ads?
Neither SMUD nor KARR Security shows ads.
Which is updated more often, SMUD or KARR Security?
SMUD ships an update every 2 months, and KARR Security every 2 months. Most recently, SMUD was updated on November 2, 2026 and KARR Security on November 3, 2026.

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