# Opnametool IMG vs Physics Labs

The clearest difference is ads: Opnametool IMG at none against Physics Labs's shown. Physics Labs's advantage is update cadence (every 2 weeks vs monthly). 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.

Opnametool IMG ships an update monthly, Physics Labs every 2 weeks. The most recent releases landed on October 30, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Opnametool IMG | Physics Labs |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | — | Ad-supported |
| Size | 41 MB | 32 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Atabix Solutions](https://appshunter.io/developer/439336868) | [Huseyin Aykut Uludag](https://appshunter.io/developer/1469165629) |

## What reviewers say

### Opnametool IMG

[App page](https://appshunter.io/ios/app/opnametool-img/id1605604226)

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Opnametool IMG free?

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

### Is Physics Labs free?

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

### Do Opnametool IMG or Physics Labs have ads?

Physics Labs shows ads; Opnametool IMG does not.

### Which is updated more often, Opnametool IMG or Physics Labs?

Opnametool IMG ships an update monthly, and Physics Labs every 2 weeks. Most recently, Opnametool IMG was updated on October 30, 2026 and Physics Labs on November 4, 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.*