# Temtop vs Yalla Charge

The clearest difference is device support: Temtop at 2 against Yalla Charge's —. On price, in-app purchases and iOS requirement there is nothing between them.

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

## The numbers

| Metric | Temtop | Yalla Charge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.9 (82 ratings)](https://appshunter.io/ios/app/temtop/id1439409326/reviews)** | — |
| Number of ratings | **82** | — |
| Positive reviews | 32.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 5 weeks | — |
| Monetization | Free | — |
| Size | 183 MB | 67 MB |
| Requires iOS | **15** | 15.1 |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Elitech Technology,Inc.](https://appshunter.io/developer/1455057713) | [Yellow Haze Pvt. Ltd.](https://appshunter.io/developer/1645993000) |

## What reviewers say

### Temtop

[App page](https://appshunter.io/ios/app/temtop/id1439409326)

This app detects formaldehyde, PM2.5, and TVOC using advanced sensors. It provides accurate and reliable environmental data for your home or workspace.

**Highlights:** Formaldehyde detection, PM2.5 detection, TVOC detection, British Dart electrochemical sensor, US TEMTOP laser particle sensor, Accurate and reliable data

**Features:** Vision Pro support

**In-app purchases:** none


### Yalla Charge

[App page](https://appshunter.io/ios/app/yalla-charge/id6757818546)

**In-app purchases:** none


## Frequently asked questions

### Is Temtop free?

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

### Is Yalla Charge free?

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

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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.*