# Jake for stratigraphy vs GMDE Lite

The clearest difference is update cadence: GMDE Lite at every 3 weeks against Jake for stratigraphy's every 22 months. GMDE Lite also leads on device support (3 vs 1) and iOS requirement (15.0 vs 26.0). On price, ads and in-app purchases there is nothing between them.

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

Jake for stratigraphy ships an update every 22 months, GMDE Lite every 3 weeks. The most recent releases landed on October 26, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Jake for stratigraphy | GMDE Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/gmde-lite/id1557325241/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 1 MB | 48 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hunt Mountain Software](https://appshunter.io/developer/328710008) | [Richard Allmendinger](https://appshunter.io/developer/1194772609) |

## What reviewers say

### Jake for stratigraphy

[App page](https://appshunter.io/ios/app/jake-for-stratigraphy/id1486090789)

**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 Jake for stratigraphy free?

Jake for stratigraphy is free to download, with no in-app purchases.

### Is GMDE Lite free?

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

### Do Jake for stratigraphy or GMDE Lite have ads?

Neither Jake for stratigraphy nor GMDE Lite shows ads.

### Which is updated more often, Jake for stratigraphy or GMDE Lite?

Jake for stratigraphy ships an update every 22 months, and GMDE Lite every 3 weeks. Most recently, Jake for stratigraphy was updated on October 26, 2026 and GMDE Lite on October 29, 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.*