Comparison

SmartTub® vs Massimo EV Owner

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

Massimo EV Owner

Features
Read full description

Massimo EV Onwer is a mobile app for data interaction with charging piles over the Internet. Its main functions are to monitor the status of charging piles, control charging piles, view the charging log of charging piles and other functions.

Screenshots

SmartTub®1 screens
Massimo EV Owner4 screens

Verdict

The call

The clearest difference is update cadence: SmartTub® at fortnightly against Massimo EV Owner's every 2 months. Massimo EV Owner's advantage is iOS requirement (12.0 vs 15.1). On price, ads, in-app purchases and device support 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.

UpkeepUpdate frequency

SmartTub® ships an update fortnightly, Massimo EV Owner every 2 months. The most recent releases landed on November 3, 2026 and October 27, 2026 respectively.

Scorecard2 real differences · 8 level
SmartTub® versus Massimo EV Owner: the parameters behind the verdict, then further details
ParameterSmartTub®Massimo EV Owner
PriceFreeFree
Rating3.6 (320 ratings) — better—
Positive reviews23.2% of reviews—
Number of ratings320 — better—
Update frequencyFortnightly — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.112.0 — better
Further details — not scored
Size97 MB19 MB
Age rating4+17+
DeveloperJacuzzi Brands Corp.Massimo Motor Sports, LLC

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

Massimo EV Owner

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

SmartTub®

No in-app purchases

None

Massimo EV Owner

No in-app purchases

Questions

Is SmartTub® free?
SmartTub® is free to download, with no in-app purchases.
Is Massimo EV Owner free?
Massimo EV Owner is free to download, with no in-app purchases.
Do SmartTub® or Massimo EV Owner have ads?
Neither SmartTub® nor Massimo EV Owner shows ads.
Which is updated more often, SmartTub® or Massimo EV Owner?
SmartTub® ships an update fortnightly, and Massimo EV Owner every 2 months. Most recently, SmartTub® was updated on November 3, 2026 and Massimo EV Owner on October 27, 2026.

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