Comparison

WattAnalytics vs Watt for Smart Devices

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

Head to head
About

WattAnalytics

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Do you know how much electrical energy you use compared to other households or companies? Have you ever wondered how much electrical energy you could actually save with by changing your behavior? Would you like to know if your electrical appliances are energy-efficient? And do you know your personal energy saving potential and the money that you can save? Our Watt Analytics system gives you the answers. The intelligent Watt Analytics system measures your energy consumption in real time and as well as for each individual device. The metrics are always available in our easy-to-use Watt Analytics app and on the Watt Analytics Platform., your personal interface. The use of the Watt Analytics System does not require any technical knowledge. It can be used by anyone who wants to contribute to save our planet.

About

Watt for Smart Devices

Unify control of your TP-Link Kasa and Tapo smart devices in one intuitive app. Monitor energy usage with detailed charts, manage devices with Siri voice commands, and utilize features like Night Mode and custom spaces for effortless smart home management.

Highlights
  • Unified Kasa & Tapo device control
  • Energy consumption monitoring with charts
  • Siri voice control for devices
  • Night Mode for device LEDs
  • Organize devices by spaces/rooms
  • Home screen widgets for quick access
Features
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Watt is the ultimate companion app for TP-Link smart home devices, Kasa Smart and Tapo. Available for iOS, iPad, and macOS, Watt offers unique and user-friendly features to make your life easier. With its modern and clean design, you can now control all your smart devices with just one app. (Watt does not support Security Cameras from Kasa or Tapo) With Watt, you can monitor your energy consumption with daily updated, simplified graphs. The app supports voice control with Siri, allowing you to turn devices on and off, create events with shortcuts, and check the current status of your devices. Watt also has a Night Mode feature to turn off device LEDs and a Reset Stats feature to erase statistics. Watt supports a wide range of smart devices, including Smart Plugs with Energy Monitoring, Smart Plugs, Smart Bulbs, and more. The app provides an overview of all active devices on the home screen and offers charts for runtime and energy consumption, as well as cost estimates. Watt also supports the concept of spaces/rooms for easy device management. Now you can go even smarter with our unique features while navigating in a more cleaner and modern look. Watt are you waiting for? ~~~~~~~~~~~~~ Unique Features ~~~~~~~~~~~~~ Watt gives you unique and simple features to make your life easier. And the best part is controlling everything with just one app. CHARTS Simplified graphs, updated daily, with all information about your energy consumption, both in watts and in your specific money currency. Export the dataset of the chart to CSV ("Excel") VOICE CONTROL with SIRI Control your devices with a little help from Siri, turn on & off devices, one or several at once, create events with shortcuts, know the device's current status. USABILITY The experience of the app was designed based on the user's needs, with intuitive navigation, simple design, and relevant updates, all of this in the same app, we are able to provide the best experience for users NIGHT MODE Turn off the device led and have better sleep. RESET STATS Reset all the statics (Runtime and consumption) KASA & TAPO One single app to control the two product lines from TP-Link WIDGETS Check consumption and chart directly from your home screen -----------#- Supported Devices -#----------- KASA - Smart Plug with Energy Monitoring: EP25, HS110, HS300, KP115, KP125, KP125M KASA - Smart Plug: HS100, HS103, HS105, HS107, KP100, KP105, KP200, KP303, KP400, KP405, EP10, EP40 KASA - Smart Switch: HS200, HS210, HS220, KS200M, KS200, KS220M, KS230, ES20M, KASA - Smart bulbs: KL50, KL50B, KL60, KL110, KL110B, KL120, KL125, KL130, KL135,KL400, KL420, KL430, LB100, LB110, LB120, LB130, LB200, LB230 TAPO - Smart Plug: P100, P105, P110, P115, P125, P125M, P410M, TP10, TP11, TP15 TAPO - Smart bulbs: L430C, L510, L520, L530, L535, L610, L630, L900, L920, L930, TL13, TL31, TL33, TL61, TL62, TL63, TL135 Take control of your electricity cost using the Watt!!! Check all your Smart Plug with Energy Monitoring consumption in real-time. If you want to have a look at the Roadmap for the app: https://watt-app.com/ Disclaimer: This app is not affiliated, endorsed, or supported by Tp-Link in any way, Kasa and Tapo are trademarks of Tp-Link. Watt for Smart Devices is a third-party application intended to work with smart home devices from Tp-Link and by doing that offers the Tp-link IoT Community another way to control devices and explore new features. Icons provided by Icons8 Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms & Conditions: https://www.watt-app.com/privacy/watt_terms_conditions.html

Screenshots

WattAnalytics4 screens
Watt for Smart Devices4 screens

Verdict

The call

The clearest difference is in-app purchases: WattAnalytics at none against Watt for Smart Devices's 7. Watt for Smart Devices's advantage is ads (none vs shown) and update cadence (fortnightly vs every 2 months). On price 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. Watt for Smart Devices sells 7 in-app purchases, starting at $0.49 per month. WattAnalytics asks for nothing beyond the download.

UpkeepUpdate frequency

WattAnalytics ships an update every 2 months, Watt for Smart Devices fortnightly. The most recent releases landed on October 14, 2026 and October 21, 2026 respectively.

Scorecard4 real differences · 6 level
WattAnalytics versus Watt for Smart Devices: the parameters behind the verdict, then further details
ParameterWattAnalyticsWatt for Smart Devices
PriceFreeFree
Rating—4.0 (73 ratings) — better
Positive reviews—51.5% of reviews
Number of ratings—73 — better
Update frequencyEvery 2 monthsFortnightly — better
AdsYesNo — better
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod, Mac — better
Requires iOS15.1 — better15.6
Further details — not scored
Size70 MB63 MB
Age rating4+4+
DeveloperWatt Analytics GmbHTiago Mendes

Bugs and requests

WattAnalytics

Not enough reviews yet to summarise bugs or requests.

Watt for Smart Devices

Reported bugs

16 issues
  • Voice commands return 'Something went wrong' error
  • Devices disappear after app updates
  • Session expiration errors requiring re-login
  • Chart data only displays in year view
  • Graphs curve back on themselves and show nonsense
Show 11 more
  • M1 Mac compatibility crashes
  • App crashes on startup
  • Loading screen hangs indefinitely
  • Device toggle fails silently
  • Energy consumption data stuck at zero
  • Devices show as on when they are off
  • Week/month/30-day charts not updating properly
  • Device detection network fault errors
  • Tapo device support broken after updates
  • Incompatibility with newer TP-Link devices
  • App version too old error messages

Requested features

15 requests
  • Camera support for Tapo and Kasa cameras
  • One-time purchase option instead of subscription
  • Hourly power consumption data granularity
  • Peak and off-peak electricity rate configuration
  • Device renaming with custom names
Show 10 more
  • Device tagging and filtering by tags
  • Individual outlet control for power strips
  • Schedule and timer functionality
  • Smart automation actions
  • Larger font sizes for accessibility
  • Maximum/minimum energy value display
  • Half-hourly data segments
  • Data export functionality
  • Unrecognized usage alerts
  • Per-space graphing capability

In-app purchases

None

WattAnalytics

No in-app purchases

7 purchases

Watt for Smart Devices

Subscriptions7
  • Buy Me a Marshmallow$0.491 Month
  • Buy Me a Chocolate Bar$0.991 Month
  • Buy Me a Coffee$1.991 Month
Show 4 more
  • Buy Me a Bag of Marshmallows$4.991 Year
  • Buy Me a Pack of Chocolate Bar$8.991 Year
  • Yearly 4x more support to App!$18.491 Year
  • Buy Me a Bag of Coffee$18.491 Year

Questions

Is WattAnalytics free?
WattAnalytics is free to download, with no in-app purchases.
Is Watt for Smart Devices free?
Watt for Smart Devices is free to download, with in-app purchases available.
Do WattAnalytics or Watt for Smart Devices have ads?
WattAnalytics shows ads; Watt for Smart Devices does not.
Which is updated more often, WattAnalytics or Watt for Smart Devices?
WattAnalytics ships an update every 2 months, and Watt for Smart Devices fortnightly. Most recently, WattAnalytics was updated on October 14, 2026 and Watt for Smart Devices on October 21, 2026.

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