Comparison

ICO vs U

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

Head to head
About

ICO

This application helps you maintain optimal water quality in your pool or spa. It provides personalized guidance for chemical dosing and best practices to ensure a healthier swimming experience and protect your equipment. Monitor your water quality conveniently from anywhere, anytime.

Highlights
  • Measures critical water parameters
  • Promotes healthier, cleaner water
  • Personalized chemical dosing guidance
  • Protects pool equipment
  • Provides best swimming experience
  • Accessible from anywhere, anytime
Features
Read full description

At Ondilo we know that mastering the water in a pool or spa is an art. That's why we created ICO. Constantly measuring critical water parameters, ICO promotes healthier, cleaner water, to protect pool equipment and provide best swimming experience. Proposing personalized guidance for chemical dosing and best practices to save money, protect swimmers and the environment. Accessible from anywhere, anytime, ICO provides a convenient, easy way to keep an eye on your pool water quality at all times. So that you spend more time enjoying your pool ! ICO, and it all becomes crystal-clear Find out more about ICO's functionalities on www.ondilo.com A ICO connected device is necessary to take full advantage of this application.

About

U

Features
Read full description

U-spa can easily control spas through mobile phone. Even if you are not at home, status information of spa will be pushed over as long as you open the APP, allowing you to keep track of its dynamics at any time. U-spa “one-click” share device to families and friends, allowing the whole families enjoy smart life easily. APP should be used with wifi module and associated device; U-spa makes swimming exercise data visible. For the function of APP swimming module, you need to buy swimming machines or products with swimming functions. The health data shown in APP is for reference only.

Screenshots

ICO4 screens
U4 screens

Verdict

The call

The clearest difference is update cadence: U at every 3 days against ICO's every 5 weeks. 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

ICO ships an update every 5 weeks, U every 3 days. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

Scorecard1 real difference · 9 level
ICO versus U: the parameters behind the verdict, then further details
ParameterICOU
PriceFreeFree
Rating4.4 (139 ratings) — better—
Positive reviews45.9% of reviews—
Number of ratings139 — better—
Update frequencyEvery 5 weeksEvery 3 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS14.013.0 — better
Further details — not scored
Size78 MB37 MB
Age rating4+4+
DeveloperONDILOGuangdong Crystal Island Healthwise Co.,Ltd

In-app purchases

None

ICO

No in-app purchases

None

U

No in-app purchases

Questions

Is ICO free?
ICO is free to download, with no in-app purchases.
Is U free?
U is free to download, with no in-app purchases.
Do ICO or U have ads?
Neither ICO nor U shows ads.
Which is updated more often, ICO or U?
ICO ships an update every 5 weeks, and U every 3 days. Most recently, ICO was updated on October 24, 2026 and U on October 19, 2026.

Other comparisons