Comparison

iopool vs Wellis Spa Control

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

Head to head
About

iopool

This app helps pool owners manage their water treatment with continuous analysis from a smart probe. It provides step-by-step guidance for product additions and intelligent recommendations for maintenance, eliminating the need for manual inventory checks.

Highlights
  • Continuous water analysis
  • Automated product addition notifications
  • Step-by-step treatment guidance
  • Intelligent maintenance recommendations
  • Product inventory and quantity management
  • Pool health monitoring
Features
Read full description

The iopool application allows pool owners to manage their water treatment themselves. The EcO probe analyzes the water continuously and the application displays the results of the analyses. When an addition of products is necessary, the user is notified. The application explains step by step the steps to follow for optimal efficiency and safety. Thanks to iopool's intelligent recommendation engine and its application, users no longer need to worry about managing inventory and quantity of maintenance products. These products have been selected by iopool for their efficiency, in partnership with a university research center. The iopool application is the best companion for users of a private pool. The application makes it possible to know at any time the state of health of the pool, forgetting the chore of weekly strips.

About

Wellis Spa Control

Control your hot tub remotely from anywhere in the world. Adjust temperature, manage water care settings, and stay connected to your relaxation with an intuitive interface. Requires the in.touch 2 module.

Highlights
  • Remote hot tub access
  • Temperature control
  • Water care management
  • Intuitive user interface
  • Preset water care settings
Features
Read full description

Access your hot tub anywhere in the world using the Spa Control application. Wherever you are, you’re always in touch with your relaxation!   The Spa Control app provides an intuitive user interface to control all of your hot tub functions, transforming your favorite device into a remote control using wireless or cellular Internet connection.   Access spa features from your phone :   The app allows you to use the industry’s easiest water care management and play with your temperature settings.   Water care is just a tap away:   Choose your preferred setting from Beginner, Away from Home, Energy Savings, Super Energy Savings or Weekender, and in.touch does the rest.   Requirements: To use this app, you need the in.touch 2 modules from Wellis Hungary. There is no compatibility with the in.touch first generation.

Screenshots

iopool4 screens
Wellis Spa Control4 screens

Verdict

The call

The clearest difference is review sentiment: iopool at 60% against Wellis Spa Control's 11%. iopool also leads on rating (4.3 vs 1.2) and update cadence (every 2 weeks vs every 3 months). Wellis Spa Control's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, in-app purchases, device support 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

iopool holds the better App Store score, 4.3 against 1.2. That said, the two scores are not equally well evidenced: iopool has 95 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 60% of iopool's written reviews are positive against 11% of Wellis Spa Control's.

UpkeepUpdate frequency

iopool ships an update every 2 weeks, Wellis Spa Control every 3 months. The most recent releases landed on October 20, 2026 and October 3, 2026 respectively.

Scorecard6 real differences · 4 level
iopool versus Wellis Spa Control: the parameters behind the verdict, then further details
ParameteriopoolWellis Spa Control
PriceFreeFree
Rating4.3 (95 ratings) — better1.2 (5 ratings)
Positive reviews60.0% of reviews — better11.1% of reviews
Number of ratings95 — better5
Update frequencyEvery 2 weeks — betterEvery 3 months
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.0 — better
Further details — not scored
Size78 MB74 MB
Age rating4+4+
DeveloperIopoolGecko Alliance

Customer experience

iopool

All ratings90 ratings
Positive85.6%
Neutral4.4%
Negative10.0%
Written reviews25 reviews
Positive60.0%
Neutral8.0%
Negative32.0%

Wellis Spa Control

All ratings5 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews9 reviews
Positive11.1%
Neutral11.1%
Negative77.8%

In-app purchases

None

iopool

No in-app purchases

None

Wellis Spa Control

No in-app purchases

Questions

Is iopool free?
iopool is free to download, with no in-app purchases.
Is Wellis Spa Control free?
Wellis Spa Control is free to download, with no in-app purchases.
Which has better reviews, iopool or Wellis Spa Control?
iopool is rated higher. iopool averages 4.3 out of 5 from 95 ratings, while Wellis Spa Control averages 1.2 from 5 ratings.
Do iopool or Wellis Spa Control have ads?
iopool shows ads; Wellis Spa Control does not.
Which is updated more often, iopool or Wellis Spa Control?
iopool ships an update every 2 weeks, and Wellis Spa Control every 3 months. Most recently, iopool was updated on October 20, 2026 and Wellis Spa Control on October 3, 2026.

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