# GeoExplore vs CDC

The clearest difference is update cadence: CDC at every 5 weeks against GeoExplore's every 9 months. 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.

GeoExplore ships an update every 9 months, CDC every 5 weeks. The most recent releases landed on October 1, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | GeoExplore | CDC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/geoexplore/id1450411553/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 54 MB | 31 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Michael Brooks](https://appshunter.io/developer/526071845) | [Abdul Hameed](https://appshunter.io/developer/1842516903) |

## What reviewers say

### GeoExplore

[App page](https://appshunter.io/ios/app/geoexplore/id1450411553)

This app is a geological data logging toolset for recording information at various locations. It offers guided field trips with maps and detailed site information, along with a toolkit for notes, photos, and geological logging. Data can be shared via email.

**Highlights:** Geological data logging, Custom and guided field trips, Compass/clinometer tool, Graphic sedimentary logging, Audio, text notes, and photos, Rock type and glossary information, Data sharing via email

**Features:** macOS Compatibility

**In-app purchases:** none


### CDC

[App page](https://appshunter.io/ios/app/cdc-capital-digital-class/id6753100910)

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

**In-app purchases:** none


## Frequently asked questions

### Is GeoExplore free?

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

### Is CDC free?

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

### Do GeoExplore or CDC have ads?

Neither GeoExplore nor CDC shows ads.

### Which is updated more often, GeoExplore or CDC?

GeoExplore ships an update every 9 months, and CDC every 5 weeks. Most recently, GeoExplore was updated on October 1, 2026 and CDC on October 12, 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.*