# Physics Labs vs Yallow Connect

The clearest difference is ads: Yallow Connect at none against Physics Labs's shown. Yallow Connect also leads on update cadence (every 5 days vs every 2 weeks) and iOS requirement (13.0 vs 15.6). On price, 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.

Physics Labs ships an update every 2 weeks, Yallow Connect every 5 days. The most recent releases landed on September 18, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Physics Labs | Yallow Connect |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | Ad-supported | — |
| Size | 32 MB | 21 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Huseyin Aykut Uludag](https://appshunter.io/developer/1469165629) | [Lynx](https://appshunter.io/developer/1434739068) |

## What reviewers say

### Physics Labs

[App page](https://appshunter.io/ios/app/physics-labs/id6472849584)

This app uses your device's sensors to measure various physical quantities like acceleration, magnetic fields, and sound levels. View data in coordinates or scalar magnitude, and export it to Excel for analysis. It's a digital lab for your phone.

**Highlights:** Measure acceleration, magnetic fields, and sound levels, View data in X, Y, Z coordinates or scalar magnitude, Export sensor data to Excel for analysis, Eliminate gravity from acceleration measurements, Measure atmospheric pressure

**Features:** macOS Compatibility

**In-app purchases:** none


### Yallow Connect

[App page](https://appshunter.io/ios/app/yallow-connect/id6651830635)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Physics Labs free?

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

### Is Yallow Connect free?

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

### Do Physics Labs or Yallow Connect have ads?

Physics Labs shows ads; Yallow Connect does not.

### Which is updated more often, Physics Labs or Yallow Connect?

Physics Labs ships an update every 2 weeks, and Yallow Connect every 5 days. Most recently, Physics Labs was updated on September 18, 2026 and Yallow Connect on September 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.*