# UNO IAQ vs LWEB

The clearest difference is iOS requirement: UNO IAQ at 14.0 against LWEB's 16.6. 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.

UNO IAQ ships an update every 2 months, LWEB every 3 months. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | UNO IAQ | LWEB |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Size | 23 MB | 29 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Delta Electronics, Inc.](https://appshunter.io/developer/386896582) | [Delta Intelligent Building Technologies (Europe) GmbH](https://appshunter.io/developer/1522292182) |

## What reviewers say

### UNO IAQ

[App page](https://appshunter.io/ios/app/uno-iaq/id1510293346)

**Features:** Vision Pro support

**In-app purchases:** none


### LWEB

[App page](https://appshunter.io/ios/app/lweb-app-2/id6740144371)

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

**In-app purchases:** none


## Frequently asked questions

### Is UNO IAQ free?

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

### Is LWEB free?

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

### Do UNO IAQ or LWEB have ads?

Neither UNO IAQ nor LWEB shows ads.

### Which is updated more often, UNO IAQ or LWEB?

UNO IAQ ships an update every 2 months, and LWEB every 3 months. Most recently, UNO IAQ was updated on October 29, 2026 and LWEB on October 28, 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.*