# YO vs pool light tech

The clearest difference is iOS requirement: pool light tech at 12.0 against YO's 14.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

YO ships an update every 3 months, pool light tech every 2 months. The most recent releases landed on September 15, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | YO | pool light tech |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 409 MB | 46 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [勇 邹](https://appshunter.io/developer/1600180960) | [Guangzhou Huidi Swimming Pond Hydrotherapy Equipment Co., Ltd.](https://appshunter.io/developer/1785104080) |

## What reviewers say

### YO

[App page](https://appshunter.io/ios/app/yo-smart/id1602450099)

**Features:** macOS Compatibility

**In-app purchases:** none


### pool light tech

[App page](https://appshunter.io/ios/app/pool-light-tech/id6739388143)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is YO free?

YO is free to download, with no in-app purchases.

### Is pool light tech free?

pool light tech is free to download, with no in-app purchases.

### Do YO or pool light tech have ads?

Neither YO nor pool light tech shows ads.

### Which is updated more often, YO or pool light tech?

YO ships an update every 3 months, and pool light tech every 2 months. Most recently, YO was updated on September 15, 2026 and pool light tech on September 23, 2026.

---

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