Comparison

SmartTub® vs CalSpas

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

Head to head
About

SmartTub®

This app acts as a personal hot tub assistant, providing tailored tips, how-to videos, and information based on your usage. It allows remote control of settings, energy usage estimates, and notifications for maintenance or power outages, ensuring you're always informed about your hot tub's status.

Highlights
  • Personalized hot tub tips and how-to videos
  • Remote adjustment of temperature and energy efficiency
  • Energy usage estimates
  • Power outage notifications
  • Dealer alerts for maintenance
  • Remote connection to dealer service
Features
Read full description

The SmartTub® app is your personal hot tub assistant, making you a hot tub expert. Acting as a quick reference guide, your app tailors tips, how-to videos and information based on how you use your hot tub. Whether you're across town or in the comfort of your own home, you can relax knowing you will always be informed with the SmartTub™ System. o Enjoy easy setup -- just pair your app o Discover enhanced product knowledge and support o Master hot tub care with personalized tips and how-to videos o View energy usage estimates** o Adjust key settings, such as energy efficiency and temperature while away o Receive power outage notifications to reduce complications o Alerts you and your dealer when your hot tub needs attention o Stay connected with your dealer and 'Click for Service' Requirements * SmartTub™ hardware installed on hot tub, compatible with 2018+ Hot Tubs * SmartTub™ system uses cellular-based communication and requires cell service from our provider partner in your area. * Requires subscription beginning in second year of ownership, first year included in the price of purchase. **Estimates are based on sensor readings and are not meant to match your utility measurements, see your local utility company for specifics to your local system.

About

CalSpas

This app helps Cal Spas dealers showcase their products with updated listings, manuals, and marketing materials. Casual users can explore and find the perfect spa for their home.

Highlights
  • Updated product listings
  • Manuals and troubleshooting guide
  • Marketing materials access
  • Spa finder for home users
  • Dealer-specific tools
Features
Read full description

For Cal Spas dealers, this is the perfect tool to show off your spas. Your product list are automatically updated when you open the app and you get access to tools such as updated listings, manuals, troubleshooting guide and marketing materials. For the casual user, this app can help you find that perfect spa for your home and family!

Screenshots

SmartTub®1 screens
CalSpas2 screens

Verdict

The call

The clearest difference is rating: CalSpas at 4.3 against SmartTub®'s 3.6. CalSpas also leads on monetization model (free vs free with in-app purchases) and iOS requirement (8.0 vs 15.1). SmartTub®'s advantage is ratings volume (320 vs 3). 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

CalSpas holds the better App Store score, 4.3 against 3.6. That said, the two scores are not equally well evidenced: SmartTub® has 320 ratings behind it against 3, so its average is the more settled of the two.

UpkeepUpdate frequency

SmartTub® ships an update fortnightly, CalSpas weekly. Both last shipped on October 24, 2026.

Scorecard4 real differences · 6 level
SmartTub® versus CalSpas: the parameters behind the verdict, then further details
ParameterSmartTub®CalSpas
PriceFreeFree
Rating3.6 (320 ratings)4.3 (3 ratings) — better
Positive reviews23.6% of reviews—
Number of ratings320 — better3
Update frequencyFortnightlyWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.18.0 — better
Further details — not scored
Size97 MB66 MB
Age rating4+17+
DeveloperJacuzzi Brands Corp.Erick Canonizado

Customer experience

SmartTub®

All ratings320 ratings
Positive61.9%
Neutral6.3%
Negative31.9%
Written reviews191 reviews
Positive23.6%
Neutral10.5%
Negative66.0%

CalSpas

All ratings3 ratings
Positive66.7%
Neutral33.3%
Negative0.0%

Bugs and requests

SmartTub®

Reported bugs

4 issues
  • App frequently logs out users
  • Inability to register warranty
  • Inconsistent temperature readings
  • Unreliable connection to spa

Requested features

5 requests
  • Ability to remotely turn off spa
  • Customizable heating and filtering schedules
  • Chemical tracking and maintenance reminders
  • Improved Apple Watch integration
  • Better temperature and setting controls

CalSpas

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

SmartTub®

No in-app purchases

None

CalSpas

No in-app purchases

Questions

Is SmartTub® free?
SmartTub® is free to download, with no in-app purchases.
Is CalSpas free?
CalSpas is free to download, with no in-app purchases.
Which has better reviews, SmartTub® or CalSpas?
CalSpas is rated higher. SmartTub® averages 3.6 out of 5 from 320 ratings, while CalSpas averages 4.3 from 3 ratings.
Do SmartTub® or CalSpas have ads?
Neither SmartTub® nor CalSpas shows ads.
Which is updated more often, SmartTub® or CalSpas?
SmartTub® ships an update fortnightly, and CalSpas weekly. Most recently, SmartTub® was updated on October 24, 2026 and CalSpas on October 24, 2026.

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