Comparison

Kasa Smart vs PurrSong

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

Head to head
About

Kasa Smart

Control and manage your TP-LINK smart home devices from anywhere. Schedule appliances, set custom modes, and monitor your devices remotely. Offers cloud storage for security camera footage.

Highlights
  • Remote device control
  • Scheduling and automation
  • Away Mode for security
  • Cloud storage for cameras
  • Device configuration
  • Real-time monitoring
Features
Read full description

Kasa Smart is your portal to your TP-LINK Smart Home. ** Kasa Smart is currently only compatible with TP-LINK Smart Plug HS100/110/107 KP200/400/401/405, EP40/40A/40M, Smart Plug Mini HS103/105, KP105/115, Smart Switch HS200/210/220, KS200/KS220/KS220M/KS225/KS230, Smart Power Strip HS300/303, Smart Bulb LB100/110/120/130/200/230, KL50/60/110/120/125/130, Smart Light Strip KL400/420/430, IP Camera KC100/105/110/115/120/200/300/310/400/401/410S/411S, EC60/70/71, Smart Router SR20, and Range Extender RE270/370/350K ** Kasa Smart lets you add, configure, monitor, and control your connected TP-LINK Smart Home devices from anywhere in the world. You can schedule your appliances to turn on or off according to your schedule, or set them to Away Mode to deter would-be burglars. And that’s just the beginning. Purchase a TP-LINK Smart Home device and download the app to get started today. Stay tuned for updates to the Kasa platform as we add support for new features and upcoming hardware in the Kasa family! Upgrade to Kasa Care cloud service (available for Security Cameras) · Enjoy 30-day unlimited video cloud storage and view videos anywhere, anytime. · Get instant notifications featuring a snapshot of the detected activity, · Record videos and post video clips to your preferred social media platform. Note: If you subscribe via Apple, payment will be charged to App Store Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. Account will be charged for renewal within 24 hours prior to the end of the current period at the rate of the selected plan. Subscriptions and auto-renewal may be managed by going to Account Settings after purchase. Monthly price per device: $2.99 USD (US) / €2.99 EUR (IE, DE, ES, PT, FI) / kr 30.00 SEK (SE) / $3.49 CAD (CA) / $4.49 AUD (AU) / £2.79 GBP (UK) / ¥350.00 JPY (JP) Terms of Service: https://privacy.tp-link.com/app/kasa/tou Privacy Policy: https://privacy.tp-link.com/app/Kasa/privacy

About

PurrSong

Monitor your cat's health and daily care routines with detailed tracking of their activity, food consumption, and hygiene. The app offers essential free features and optional premium subscriptions for enhanced pet care management.

Highlights
  • Cat and product registration
  • Health status monitoring (weight, bowel movements, activity)
  • Daily care scheduling (food, vitamins, grooming)
  • Premium subscription for advanced features
  • Multiple subscription tiers based on cat count
Features
Read full description

[Features] - Cat and product registration - Health status check ・ LavvieBot S, LavvieBox: weight, bowel movement times and duration ・ LavvieTAG: activity status (running, resting, zoomies, etc.) - Schedule (cat’s daily care) ・ food/snack/vitamin consumption, brushing teeth, nail care, etc. Our app provides essential features for free, allowing you to take care of your cats without any initial cost. To access additional premium features, you can subscribe to LavvieCare through in-app purchases. Choose from various plans based on the number of cats: 1 cat: $2.9 per month 2 cats: $4.9 per month 3 or more cats: $6.9 per month All subscriptions are billed automatically on a monthly basis through your Apple ID. Payment will be charged to your Apple ID account at confirmation of purchase. Your subscription will automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. You can manage your subscription and turn off auto-renewal by going to your Account Settings after purchase. For additional details, please also review Apple’s Standard Terms of Use. [https://www.apple.com/legal/internet-services/itunes/dev/stdeula/]

Screenshots

Kasa Smart4 screens
PurrSong4 screens

Verdict

The call

The clearest difference is review sentiment: Kasa Smart at 82% against PurrSong's 26%. Kasa Smart also leads on rating (4.8 vs 2.3) and ratings volume (81K vs 4). PurrSong's advantage is update cadence (every 9 days vs every 3 weeks). On price, ads, in-app purchases and monetization model 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. Kasa Smart sells 8 in-app purchases, starting at $2.99 per month and PurrSong sells 3 in-app purchases, starting at $2.90 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Kasa Smart holds the better App Store score, 4.8 against 2.3. That said, the two scores are not equally well evidenced: Kasa Smart has 81K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 82% of Kasa Smart's written reviews are positive against 26% of PurrSong's.

UpkeepUpdate frequency

Kasa Smart ships an update every 3 weeks, PurrSong every 9 days. The most recent releases landed on November 9, 2026 and November 7, 2026 respectively.

Scorecard7 real differences · 4 level
Kasa Smart versus PurrSong: the parameters behind the verdict, then further details
ParameterKasa SmartPurrSong
PriceFreeFree
Rating4.8 (81K ratings) — better2.3 (4 ratings)
Positive reviews81.7% of reviews — better26.1% of reviews
Number of ratings81K — better4
Update frequencyEvery 3 weeksEvery 9 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
Best chart rank#41 — better—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better16.4
Further details — not scored
Size617 MB164 MB
Age rating4+4+
DeveloperTP-Link Systems Inc.PurrSong, Inc

Customer experience

Kasa Smart

All ratings80,782 ratings
Positive95.3%
Neutral0.9%
Negative3.8%
Written reviews3,197 reviews
Positive81.7%
Neutral3.4%
Negative14.9%

PurrSong

All ratings4 ratings
Positive25.0%
Neutral0.0%
Negative75.0%
Written reviews46 reviews
Positive26.1%
Neutral6.5%
Negative67.4%

Bugs and requests

Kasa Smart

Reported bugs

4 issues
  • App getting stuck on terms of service page
  • Devices disappearing from the app
  • Schedules and automations not working as expected
  • Inconsistent time and location settings

Requested features

5 requests
  • More flexible scheduling options (e.g. random on/off, sunrise/sunset offsets)
  • Ability to share access and control with multiple users
  • Improved energy monitoring and reporting
  • Expanded compatibility with more smart home devices
  • Easier device organization and grouping

PurrSong

Not enough reviews yet to summarise bugs or requests.

In-app purchases

8 purchases

Kasa Smart

Subscriptions8
  • Kasa Care Plus 1 Cam/month1 Month trial$2.991 Month
  • Kasa Care Plus 2 Cam/month1 Month trial$5.991 Month
  • Kasa Care Plus 3 Cam/month1 Month trial$8.991 Month
Show 5 more
  • Kasa Care Premium 10 Cam/month1 Month trial$9.991 Month
  • Kasa Care Plus 1 Cam/year1 Month trial$29.991 Year
  • Kasa Care Plus 2 Cam/year1 Month trial$59.991 Year
  • Kasa Care Plus 3 Cam/year1 Month trial$89.991 Year
  • Kasa Care Premium 10 Cam/year1 Month trial$99.991 Year
3 purchases

PurrSong

Subscriptions3
  • Monthly / For 1 Cat Only$2.901 Month
  • Monthly / For 2 Cats$4.901 Month
  • Monthly / For 3 or More Cats$6.901 Month

Questions

Is Kasa Smart free?
Kasa Smart is free to download, with in-app purchases available.
Is PurrSong free?
PurrSong is free to download, with in-app purchases available.
Which has better reviews, Kasa Smart or PurrSong?
Kasa Smart is rated higher. Kasa Smart averages 4.8 out of 5 from 81K ratings, while PurrSong averages 2.3 from 4 ratings.
Do Kasa Smart or PurrSong have ads?
Neither Kasa Smart nor PurrSong shows ads.
Which is updated more often, Kasa Smart or PurrSong?
Kasa Smart ships an update every 3 weeks, and PurrSong every 9 days. Most recently, Kasa Smart was updated on November 9, 2026 and PurrSong on November 7, 2026.

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