# iTemblor Earthquake Simulator vs MaPhET

The clearest difference is price: iTemblor Earthquake Simulator at Free against MaPhET's $1.99. iTemblor Earthquake Simulator also leads on review sentiment (100% vs 67%). MaPhET's advantage is update cadence (every 5 months vs every 11 months) and device support (3 vs 1). On ads, in-app purchases and iOS requirement there is nothing between them.

iTemblor Earthquake Simulator is free to download; MaPhET costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iTemblor Earthquake Simulator ships an update every 11 months, MaPhET every 5 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | iTemblor Earthquake Simulator | MaPhET |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/itemblor-earthquake-simulator/id297751959/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **100.0% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 5 months** |
| Monetization | **Free** | Paid |
| Size | 1 MB | 13 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Jess Taylor](https://appshunter.io/developer/417821730) | [Jens-Peter Bardt](https://appshunter.io/developer/1571033573) |

## What reviewers say

### iTemblor Earthquake Simulator

[App page](https://appshunter.io/ios/app/itemblor-earthquake-simulator/id297751959)

Explore earthquake shaking intensity by relating the acceleration you impart on your phone to the Modified Mercalli Intensity (MMI) scale. Visualize shaking in 2D or 3D seismograms, with options to filter data for realistic earthquake simulations. Primarily for educational and entertainment purposes.

**Highlights:** MMI scale simulation, Seismoscope view (2D), Time Series view (3D seismogram), Gravity removal, Low-pass filtering, Educational and entertainment focus

**In-app purchases:** none


### MaPhET

[App page](https://appshunter.io/ios/app/maphet/id1602083319)

This app serves as a comprehensive educational tool, offering a powerful calculator with detailed calculation paths, unit conversions, and a vast collection of formulas for math, physics, and chemistry. It also includes tools for date calculations, random number generation, and geometric figure analysis.

**Highlights:** Advanced calculator with calculation path, Extensive unit conversions, Collection of math, physics, and chemistry formulas, Date difference calculation, Geometric figure analysis, Random number and letter generator

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is iTemblor Earthquake Simulator free?

iTemblor Earthquake Simulator is free to download, with no in-app purchases.

### Is MaPhET free?

MaPhET costs $1.99, with no in-app purchases.

### Do iTemblor Earthquake Simulator or MaPhET have ads?

Neither iTemblor Earthquake Simulator nor MaPhET shows ads.

### Which is updated more often, iTemblor Earthquake Simulator or MaPhET?

iTemblor Earthquake Simulator ships an update every 11 months, and MaPhET every 5 months. Most recently, iTemblor Earthquake Simulator was updated on November 6, 2026 and MaPhET on November 3, 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.*