Comparison

Kidde vs Ninja Pro Connect

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

Head to head
About

Kidde

This app connects to smart home safety devices, providing real-time alerts for smoke, CO, air quality, and water leaks. It offers features like Smart Hush, remote notifications to loved ones, and advanced indoor air quality monitoring through a subscription service.

Highlights
  • Real-time alarm notifications
  • Smart Hush functionality
  • QR code setup for Wi-Fi connection
  • Device replacement notifications
  • Remote notifications to friends/family
  • Advanced Indoor Air Quality (IAQ) monitoring
  • Mold Risk Analysis
Features
Read full description

Step into the future with Kidde Smart Home Safety – where the intelligence of modern homes meets cutting-edge protection. The Kidde app seamlessly integrates with your smart home safety devices, delivering real-time alerts, Smart Hush® functionality, and more, all at your fingertips. Explore the Tech-Savvy Features: - Receive instant alarm notifications for smoke, carbon monoxide, indoor air quality issues, or water leaks. - Effortlessly set up alarms by scanning the QR code on the product, connected to your home Wi-Fi 2.4GHz network. - Easily test your alarm's functionality when you are at home. - Stay informed with notifications for device replacements. - Notify friends and family if hazards are detected when you're away. Unlock Advanced Home Health - Elevate Your IAQ Experience: Introducing Advanced Home Health, an exclusive indoor air quality subscription that seamlessly integrates premium features into your IAQ devices. Immerse yourself in the futuristic experience of our revamped IAQ dashboard, featuring a sleek design and a cutting-edge interface designed for tech-savvy subscribers. Subscription perks include: - Advanced Mold Risk Analysis - Thermal Comfort readings - Weekly air quality reports covering temperature, humidity, TVOC, Mold Risk, and Thermal Comfort. - Enjoy a 10% discount on ShopKidde.com. Discover Smart Devices: - Smoke + Carbon Monoxide Alarm with smart features – Double the detection for enhanced safety. - Smoke + Carbon Monoxide Alarm with Indoor Air Quality Monitor – An industry first, combining smoke and CO detection with IAQ monitoring. - Carbon Monoxide Alarm with Indoor Air Quality Monitor – Easy plug-in operation for reliable detection. - Water Leak + Freeze Detector – Early detection to prevent damage. - RemoteLync Camera (Sunsetting on January 7, 2024) – A cordless, Wi-Fi-enabled security camera capturing clips and providing alerts. Embrace the future of home safety with Kidde Smart Home Protection – where technology meets peace of mind. Terms of Use: https://help.kidde.com/hc/en/6-kidde/faq/589-terms-of-service/?l=en

About

Ninja Pro Connect

Control your grill remotely to achieve perfect cooks. Monitor and adjust temperatures, times, and settings from your phone, receiving real-time notifications for every stage of the cooking process. Enjoy your cookout with confidence thanks to connected cooking features and helpful cooking charts.

Highlights
  • Remote grill control via Bluetooth/WiFi
  • Real-time cooking updates and notifications
  • Dual thermometer monitoring
  • Programmable cooking modes, times, and temps
  • Searchable cooking charts with chef-recommended settings
  • Add smoky flavor
Features
Read full description

Achieve the perfect cook from the palm of your hand with the Ninja ProConnect™ app. Now you can enjoy the cookout while controlling your grill from just about anywhere. Monitor and adjust times, temps, and settings directly from the app – no need to babysit the grill. With hassle-free connected cooking, you will receive real-time notifications for when it is time to add food, flip, and more so you can cook with confidence. Ninja ProConnect™ features: • Control your grill from your fingertips: Easily connect your grill to your phone via Bluetooth and WiFi and adjust temps, times, and settings directly from the app. Even start and end a cook from the app. • Real-time cooking updates: From preheat to ready-to-eat, the app keeps you in the know while you enjoy your cookout. • Monitor your cook with up to two thermometers: Dual thermometer compatibility allows you to monitor and cook two different proteins two different ways. • Easy-to-use cooking charts: Easily get the perfect cook—just search for your protein and get chef-recommended settings for each cooking function. Filter by food, mode, and length of time. • Easily program your cook: From the palm of your hands, you can select your cooking mode, input your cook time and temp, and press start to be on your way to fast, easy, and flavorful meals. Even add 100% authentic smoky flavor to your favorite meals. • Compatibility: Compatible with OG900 series.

Screenshots

Kidde4 screens
Ninja Pro Connect4 screens

Verdict

The call

The clearest difference is in-app purchases: Ninja Pro Connect at none against Kidde's 2. Ninja Pro Connect also leads on update cadence (fortnightly vs every 2 months) and review sentiment (60% vs 45%). On price, rating, ratings volume 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. Kidde sells 2 in-app purchases, starting at $1.99 per month. Ninja Pro Connect asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Kidde against 4.7 for Ninja Pro Connect. Both are backed by a comparable volume of ratings — 6.7K and 4.2K respectively. Written reviews are what separate them: 45% of Kidde's written reviews are positive against 60% of Ninja Pro Connect's.

UpkeepUpdate frequency

Kidde ships an update every 2 months, Ninja Pro Connect fortnightly. The most recent releases landed on September 23, 2026 and September 24, 2026 respectively.

Scorecard4 real differences · 6 level
Kidde versus Ninja Pro Connect: the parameters behind the verdict, then further details
ParameterKiddeNinja Pro Connect
PriceFreeFree
Rating4.7 (6.7K ratings)4.7 (4.2K ratings)
Positive reviews45.0% of reviews60.2% of reviews — better
Number of ratings6.7K — better4.2K
Update frequencyEvery 2 monthsFortnightly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better15.6
Further details — not scored
Size88 MB155 MB
Age rating4+4+
DeveloperWalter Kidde Portable EquipmentSHARKNINJA OPERATING LLC

Customer experience

Kidde

All ratings6,671 ratings
Positive95.1%
Neutral1.7%
Negative3.1%
Written reviews211 reviews
Positive45.0%
Neutral8.5%
Negative46.4%

Ninja Pro Connect

All ratings4,214 ratings
Positive94.0%
Neutral2.3%
Negative3.7%
Written reviews379 reviews
Positive60.2%
Neutral11.6%
Negative28.2%

User reviews

Kidde

From 6.7K App Store ratings

What we love

  • 🚀 Easy setup
  • 👍 Helpful app features
  • 🔒 Provides peace of mind
  • 💡 Useful air quality monitoring
  • 👍 Good customer support

Room to improve

  • 🐛 Frequent false alarms
  • 🐛 Connectivity issues
  • 🐛 Buggy app and firmware
  • 👎 Paywalled features
  • 👎 Poor user experience

Ninja Pro Connect

From 4.2K App Store ratings

What we love

  • 🚀 Easy to use
  • 👍 Excellent app integration
  • 🔥 Delivers great cooking results
  • 🤖 Helpful cooking guidance
  • 🔍 Accurate temperature monitoring

Room to improve

  • 🐛 Connectivity issues
  • 🔒 Frequent password resets required
  • ⏱️ Lack of live activity monitoring
  • 📏 Limited cooking options/presets
  • 🔋 Bluetooth range limitations

Bugs and requests

Kidde

Reported bugs

5 issues
  • App unable to connect to devices
  • Firmware updates failing
  • Devices going offline randomly
  • Notifications not working as expected
  • Inconsistent device naming in app

Requested features

5 requests
  • Add HomeKit support
  • Improve historical data tracking
  • Provide more detailed temperature/air quality data
  • Allow remote alarm silencing
  • Enhance app stability and usability

Ninja Pro Connect

Reported bugs

5 issues
  • App crashes during setup
  • Thermometer inaccuracies
  • WiFi pairing failures
  • Login issues on various devices
  • Unexpected app behavior changes after updates

Requested features

5 requests
  • Add Celsius temperature option
  • Implement live activity notifications
  • Expand cooking presets for more foods
  • Allow multiple device connections
  • Improve password reset process

In-app purchases

2 purchases

Kidde

Subscriptions2
  • Advanced Home Health - Monthly1 Month trial$1.991 Month
  • Advanced Home Health - Annual1 Month trial$19.991 Year
None

Ninja Pro Connect

No in-app purchases

Questions

Is Kidde free?
Kidde is free to download, with in-app purchases available.
Is Ninja Pro Connect free?
Ninja Pro Connect is free to download, with no in-app purchases.
Which has better reviews, Kidde or Ninja Pro Connect?
Kidde and Ninja Pro Connect are both rated 4.7 out of 5 on the App Store, from 6.7K and 4.2K ratings respectively.
Do Kidde or Ninja Pro Connect have ads?
Neither Kidde nor Ninja Pro Connect shows ads.
Which is updated more often, Kidde or Ninja Pro Connect?
Kidde ships an update every 2 months, and Ninja Pro Connect fortnightly. Most recently, Kidde was updated on September 23, 2026 and Ninja Pro Connect on September 24, 2026.

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