# iS7 vs My Physics Calculator

The clearest difference is price: My Physics Calculator at $2.99 against iS7's $14.99. My Physics Calculator also leads on in-app purchases (none vs 1). iS7's advantage is update cadence (every 4 months vs every 12 months). On ads, device support and iOS requirement there is nothing between them.

iS7 costs $14.99 and My Physics Calculator $2.99 up front. iS7 sells 1 one-off in-app purchase. My Physics Calculator asks for nothing beyond the download.

iS7 ships an update every 4 months, My Physics Calculator every 12 months. The most recent releases landed on October 5, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | iS7 | My Physics Calculator |
| --- | --- | --- |
| Price | $14.99 | **$2.99** |
| Rating | — | **[4.3 (44 ratings)](https://appshunter.io/ios/app/my-physics-calculator/id827404220/reviews)** |
| Number of ratings | — | **44** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 12 months |
| Monetization | — | Paid |
| Size | 43 MB | 7 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Carlo Trotti](https://appshunter.io/developer/594070838) | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) |

## What reviewers say

### iS7

[App page](https://appshunter.io/ios/app/is7/id594070835)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Alarms | $2.99 | one-time |


### My Physics Calculator

[App page](https://appshunter.io/ios/app/my-physics-calculator/id827404220)

This app offers a comprehensive suite of over 130 calculators for physics and engineering calculations. It provides clear formulas and definitions for each parameter, making complex calculations accessible with a simple interface.

**Highlights:** 130+ physics and engineering calculators, Includes formulas and definitions, Simple user interface, Mechanics & Motion calculations, Fluids & Thermodynamics calculations, Electrical & Circuit calculations, Projectile Motion calculations

**In-app purchases:** none


## Frequently asked questions

### Is iS7 free?

iS7 costs $14.99, and also offers in-app purchases.

### Is My Physics Calculator free?

My Physics Calculator costs $2.99, with no in-app purchases.

### Do iS7 or My Physics Calculator have ads?

Neither iS7 nor My Physics Calculator shows ads.

### Which is updated more often, iS7 or My Physics Calculator?

iS7 ships an update every 4 months, and My Physics Calculator every 12 months. Most recently, iS7 was updated on October 5, 2026 and My Physics Calculator 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.*