# GeoFieldBook vs GMDE Lite

The clearest difference is update cadence: GMDE Lite at every 3 weeks against GeoFieldBook's every 14 months. GMDE Lite also leads on device support (3 vs 1). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for GeoFieldBook against 5.0 for GMDE Lite. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

GeoFieldBook ships an update every 14 months, GMDE Lite every 3 weeks. The most recent releases landed on October 14, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | GeoFieldBook | GMDE Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/geofieldbook/id526812324/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/gmde-lite/id1557325241/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 9 MB | 48 MB |
| Requires iOS | **14.5** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lafayette](https://appshunter.io/developer/526812327) | [Richard Allmendinger](https://appshunter.io/developer/1194772609) |

## What reviewers say

### GeoFieldBook

[App page](https://appshunter.io/ios/app/geofieldbook/id526812324)

This app digitizes geological field mapping, replacing paper notebooks. It uses the iPad's GPS and camera to log structural and formation data, link images, and display real-time maps with oriented strikes and dips. Data can be exported for analysis.

**Highlights:** Digital field notebook, GPS-enabled data logging, Image linking to records, Real-time map display, Export data in CSV format, Import existing datasets

**Features:** macOS Compatibility

**In-app purchases:** none


### GMDE Lite

[App page](https://appshunter.io/ios/app/gmde-lite/id1557325241)

This app allows users to record geological data, including points of interest, orientations, and contacts, with detailed annotations and photos. It offers multiple methods for orientation input and data visualization, with seamless integration for data exchange across devices and platforms.

**Highlights:** Record points of interest with photos and descriptions, Annotate photos and create digital sketches, Multiple methods for orientation input, Data import/export from various sources, Visualize orientation data on equal area projection, Use device as a rangefinder for distance calculation

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

**In-app purchases:** none


## Frequently asked questions

### Is GeoFieldBook free?

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

### Is GMDE Lite free?

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

### Which has better reviews, GeoFieldBook or GMDE Lite?

GeoFieldBook and GMDE Lite are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do GeoFieldBook or GMDE Lite have ads?

Neither GeoFieldBook nor GMDE Lite shows ads.

### Which is updated more often, GeoFieldBook or GMDE Lite?

GeoFieldBook ships an update every 14 months, and GMDE Lite every 3 weeks. Most recently, GeoFieldBook was updated on October 14, 2026 and GMDE Lite on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*