# Physics Labs vs ChipPower VTX9

The clearest difference is ads: ChipPower VTX9 at none against Physics Labs's shown. Physics Labs's advantage is update cadence (every 2 weeks vs every 8 months). On price, in-app purchases, device support 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.

Physics Labs ships an update every 2 weeks, ChipPower VTX9 every 8 months. The most recent releases landed on June 9, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | Physics Labs | ChipPower VTX9 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 8 months |
| Monetization | Ad-supported | — |
| Size | 32 MB | 50 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Huseyin Aykut Uludag](https://appshunter.io/developer/1469165629) | [Krzysztof Larysz](https://appshunter.io/developer/1740301431) |

## 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


### ChipPower VTX9

[App page](https://appshunter.io/ios/app/chippower-vtx9/id6483862490)

**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 ChipPower VTX9 free?

ChipPower VTX9 is free to download, with no in-app purchases.

### Do Physics Labs or ChipPower VTX9 have ads?

Physics Labs shows ads; ChipPower VTX9 does not.

### Which is updated more often, Physics Labs or ChipPower VTX9?

Physics Labs ships an update every 2 weeks, and ChipPower VTX9 every 8 months. Most recently, Physics Labs was updated on June 9, 2026 and ChipPower VTX9 on May 16, 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.*