# Physics Labs vs D

The clearest difference is ads: D at none against Physics Labs's shown. D also leads on iOS requirement (9.0 vs 15.6). Physics Labs's advantage is update cadence (every 2 weeks vs every 5 weeks). 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, D every 5 weeks. The most recent releases landed on September 18, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Physics Labs | D |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Monetization | Ad-supported | — |
| Size | 32 MB | 22 MB |
| Requires iOS | 15.6 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Huseyin Aykut Uludag](https://appshunter.io/developer/1469165629) | [GUANDDONG TIANPU TECHNOLOGY GROUP CO.,LTD.](https://appshunter.io/developer/1637560013) |

## 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


### D

[App page](https://appshunter.io/ios/app/d-netware/id6761515677)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Physics Labs free?

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

### Is D free?

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

### Do Physics Labs or D have ads?

Physics Labs shows ads; D does not.

### Which is updated more often, Physics Labs or D?

Physics Labs ships an update every 2 weeks, and D every 5 weeks. Most recently, Physics Labs was updated on September 18, 2026 and D on October 14, 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.*