# Physics vs SignPiP

The clearest difference is price: SignPiP at Free against Physics's $4.99. SignPiP also leads on update cadence (every 5 weeks vs every 3 months) and iOS requirement (15.0 vs 17.6). On ads, in-app purchases and device support there is nothing between them.

SignPiP is free to download; Physics costs $4.99 up front. Physics sells 2 in-app purchases, starting at $4.99 per month and SignPiP sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Physics ships an update every 3 months, SignPiP every 5 weeks. The most recent releases landed on October 10, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Physics | SignPiP |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.9 (8 ratings)](https://appshunter.io/ios/app/physics-learn-and-teach/id6744701439/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Subscription | — |
| Size | 92 MB | 4 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad, Vision Pro | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Elie F. Gebran](https://appshunter.io/developer/552036126) | [Yijun Yu](https://appshunter.io/developer/1056243286) |

## What reviewers say

### Physics

[App page](https://appshunter.io/ios/app/physics-learn-and-teach/id6744701439)

Explore physics concepts through immersive augmented reality. Visualize abstract principles in real-time, making learning intuitive and engaging for students and teachers. Offers risk-free experimentation and seamless integration with schoolwork platforms.

**Highlights:** Augmented reality physics visualizations, Interactive concept walkthroughs, Classroom and independent study use, Risk-free virtual experimentation, Integration with Apple Schoolwork, Progress tracking for teachers

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Physics+ (Monthly) | $4.99 | per month |
| Physics+ (Yearly) | $29.99 | per year |


### SignPiP

[App page](https://appshunter.io/ios/app/signpip/id6772346006)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Additional Sign Language | $2.99 | one-time |


## Frequently asked questions

### Is Physics free?

Physics costs $4.99, and also offers in-app purchases.

### Is SignPiP free?

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

### Do Physics or SignPiP have ads?

Neither Physics nor SignPiP shows ads.

### Which is updated more often, Physics or SignPiP?

Physics ships an update every 3 months, and SignPiP every 5 weeks. Most recently, Physics was updated on October 10, 2026 and SignPiP on October 11, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*