# Physics Labs vs Track Tag

The clearest difference is ads: Track Tag at none against Physics Labs's shown. Track Tag also leads on iOS requirement (13.0 vs 15.6). Physics Labs's advantage is update cadence (every 2 weeks vs every 19 months). 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, Track Tag every 19 months. The most recent releases landed on June 9, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | Physics Labs | Track Tag |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 19 months |
| Monetization | Ad-supported | — |
| Size | 32 MB | 26 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Huseyin Aykut Uludag](https://appshunter.io/developer/1469165629) | [Track Tag](https://appshunter.io/developer/1736092520) |

## 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


### Track Tag

[App page](https://appshunter.io/ios/app/track-tag/id6479513351)

**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 Track Tag free?

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

### Do Physics Labs or Track Tag have ads?

Physics Labs shows ads; Track Tag does not.

### Which is updated more often, Physics Labs or Track Tag?

Physics Labs ships an update every 2 weeks, and Track Tag every 19 months. Most recently, Physics Labs was updated on June 9, 2026 and Track Tag on September 6, 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.*