# Lopos vs Dustlight

The clearest difference is iOS requirement: Dustlight at 15.0 against Lopos's 17.0. 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.

Lopos ships an update every 3 weeks, Dustlight every 5 weeks. Both last shipped on September 23, 2026.

## The numbers

| Metric | Lopos | Dustlight |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | — | Free |
| Size | 8 MB | 109 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lopos](https://appshunter.io/developer/1621771309) | [Latai](https://appshunter.io/developer/1702237370) |

## What reviewers say

### Lopos

[App page](https://appshunter.io/ios/app/lopos/id1621771307)

**Features:** Vision Pro support

**In-app purchases:** none


### Dustlight

[App page](https://appshunter.io/ios/app/dustlight/id6475342016)

This app monitors airborne particles in real-time, alerting users to dangerous levels of fine dust. It offers customizable alerts, data analysis, and cloud storage for health protection in industrial and construction environments.

**Highlights:** Real-time dust monitoring, Customizable alerts and thresholds, Cloud data storage and backup, Detailed data analysis on smartphone, Flexible operating modes, Over-the-air device updates

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Lopos free?

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

### Is Dustlight free?

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

### Do Lopos or Dustlight have ads?

Neither Lopos nor Dustlight shows ads.

### Which is updated more often, Lopos or Dustlight?

Lopos ships an update every 3 weeks, and Dustlight every 5 weeks. Most recently, Lopos was updated on September 23, 2026 and Dustlight on September 23, 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.*