# Epicentral vs My Physics Calculator lite

The clearest difference is review sentiment: Epicentral at 75% against My Physics Calculator lite's 0%. Epicentral also leads on in-app purchases (none vs 1) and ads (none vs shown). My Physics Calculator lite's advantage is price (Free vs $0.99) and iOS requirement (16.6 vs 26.0). On device support there is nothing between them.

My Physics Calculator lite is free to download; Epicentral costs $0.99 up front. My Physics Calculator lite sells 1 one-off in-app purchase. Epicentral asks for nothing beyond the download.

Epicentral ships an update monthly, My Physics Calculator lite every 6 months. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Epicentral | My Physics Calculator lite |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.8 (8 ratings)](https://appshunter.io/ios/app/my-physics-calculator-lite/id1582168976/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | **75.3% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 6 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 16 MB | 10 MB |
| Requires iOS | 26.0 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Charles Ammon](https://appshunter.io/developer/297487706) | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) |

## What reviewers say

### Epicentral

[App page](https://appshunter.io/ios/app/epicentral/id297487703)

Explore global earthquake patterns with real-time data and historical context. View recent seismic events on interactive maps and lists, with detailed summaries and links to official information. Understand current activity within the framework of historical seismicity.

**Highlights:** Real-time earthquake lists, Interactive earthquake maps, Daily, weekly, and monthly data views, Event summaries and details, Links to USGS earthquake information, Historical earthquake catalogs

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

**In-app purchases:** none


### My Physics Calculator lite

[App page](https://appshunter.io/ios/app/my-physics-calculator-lite/id1582168976)

This app offers a comprehensive collection of 134 physics and engineering calculators. It provides formulas and definitions for each calculation, with initial use free and additional features available via in-app purchase.

**Highlights:** 134 physics and engineering calculators, Formulas and definitions included, Mechanics & Motion calculations, Fluids & Thermodynamics tools, Electrical & Circuit calculations, Simple user interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 134 Physics Calculators | $3.99 | one-time |


## Frequently asked questions

### Is Epicentral free?

Epicentral costs $0.99, with no in-app purchases.

### Is My Physics Calculator lite free?

My Physics Calculator lite is free to download, with in-app purchases available.

### Do Epicentral or My Physics Calculator lite have ads?

My Physics Calculator lite shows ads; Epicentral does not.

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

Epicentral ships an update monthly, and My Physics Calculator lite every 6 months. Most recently, Epicentral was updated on October 31, 2026 and My Physics Calculator lite on October 28, 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.*