# AR vs Bagpipe Manometer

The clearest difference is in-app purchases: Bagpipe Manometer at none against AR's 8. Bagpipe Manometer also leads on iOS requirement (15.0 vs 17.0). AR's advantage is update cadence (every 8 days vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. AR sells 8 in-app purchases, starting at $2.99 per month. Bagpipe Manometer asks for nothing beyond the download.

AR ships an update every 8 days, Bagpipe Manometer every 4 months. The most recent releases landed on September 18, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | AR | Bagpipe Manometer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 441 MB | 91 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [AR-Physics UG (haftungsbeschränkt)](https://appshunter.io/developer/1780209828) | [Steven Brooke](https://appshunter.io/developer/1803163886) |

## What reviewers say

### AR

[App page](https://appshunter.io/ios/app/ar-physics/id6451423436)

Explore Physics, Math, and Astronomy through interactive Augmented Reality experiments and AI-powered learning. Engage with digital simulations, flashcards, and quizzes for school, homework, and exam preparation.

**Highlights:** Augmented Reality experiments, AI-powered learning assistance, Interactive simulations, Flashcards and quizzes, Exam preparation tools, Digital lab equipment

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AR-Physics | $2.99 | per month |
| AR-Physics Weekly | $3.99 | per 7 days |
| AR-Physics | $6.99 | per month |
| AR-Physics Pro | $12.99 | per month |
| AR-Physics | $24.99 | per year |
| AR-Physics | $39.99 | per year |
| AR-Physics | $39.99 | per year |
| AR-Physics Pro | $69.99 | per year |


### Bagpipe Manometer

[App page](https://appshunter.io/ios/app/bagpipe-manometer/id6743492626)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AR free?

AR is free to download, with in-app purchases available.

### Is Bagpipe Manometer free?

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

### Do AR or Bagpipe Manometer have ads?

Neither AR nor Bagpipe Manometer shows ads.

### Which is updated more often, AR or Bagpipe Manometer?

AR ships an update every 8 days, and Bagpipe Manometer every 4 months. Most recently, AR was updated on September 18, 2026 and Bagpipe Manometer on September 10, 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.*