# ICO vs U

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.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

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.

## The numbers

| Metric | ICO | U |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (139 ratings)](https://appshunter.io/ios/app/ico-smart-poolspa-partner/id1132611479/reviews)** | — |
| Number of ratings | **139** | — |
| Positive reviews | 45.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 days** |
| Monetization | Free | — |
| Size | 78 MB | 37 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ONDILO](https://appshunter.io/developer/1132611478) | [Guangdong Crystal Island Healthwise Co.,Ltd](https://appshunter.io/developer/1585126989) |

## What reviewers say

### ICO

[App page](https://appshunter.io/ios/app/ico-smart-poolspa-partner/id1132611479)

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:** macOS Compatibility

**In-app purchases:** none


### U

[App page](https://appshunter.io/ios/app/u-spa/id1585126987)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*