# 3D Quakes vs HeyG Math

The clearest difference is update cadence: 3D Quakes at monthly against HeyG Math's every 7 months. 3D Quakes also leads on iOS requirement (11.2 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

3D Quakes ships an update monthly, HeyG Math every 7 months. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 3D Quakes | HeyG Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/3d-quakes/id1406231944/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 7 months |
| Monetization | Free | — |
| Size | 48 MB | 53 MB |
| Requires iOS | **11.2** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kentaro Emoto](https://appshunter.io/developer/978603014) | [Ronald Edmeades](https://appshunter.io/developer/1850579996) |

## What reviewers say

### 3D Quakes

[App page](https://appshunter.io/ios/app/3d-quakes/id1406231944)

Explore a 3D visualization of earthquake data, including topography and tectonic plates. Customize your view by adjusting magnitude, depth, and time ranges. Additional data can be downloaded with a NIED account.

**Highlights:** 3D earthquake distribution visualization, Interactive rotation and scaling, 3D topography overlay, Tectonic plate visualization, Customizable magnitude, depth, and period ranges, Downloadable additional catalog data

**Features:** macOS Compatibility

**In-app purchases:** none


### HeyG Math

[App page](https://appshunter.io/ios/app/heyg-math/id6757503036)

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

**In-app purchases:** none


## Frequently asked questions

### Is 3D Quakes free?

3D Quakes is free to download, with no in-app purchases.

### Is HeyG Math free?

HeyG Math is free to download, with no in-app purchases.

### Do 3D Quakes or HeyG Math have ads?

Neither 3D Quakes nor HeyG Math shows ads.

### Which is updated more often, 3D Quakes or HeyG Math?

3D Quakes ships an update monthly, and HeyG Math every 7 months. Most recently, 3D Quakes was updated on October 21, 2026 and HeyG Math on October 24, 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.*