# StratLogger vs GMDE Lite

The clearest difference is rating: GMDE Lite at 5.0 against StratLogger's 3.5. GMDE Lite also leads on update cadence (every 3 weeks vs every 17 months) and device support (3 vs 1). On price, ratings volume, 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.

GMDE Lite holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

StratLogger ships an update every 17 months, GMDE Lite every 3 weeks. The most recent releases landed on October 5, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | StratLogger | GMDE Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (2 ratings)](https://appshunter.io/ios/app/stratlogger/id1032788660/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/gmde-lite/id1557325241/reviews)** |
| Number of ratings | 2 | 2 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 18 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

### StratLogger

[App page](https://appshunter.io/ios/app/stratlogger/id1032788660)

This app helps geologists construct stratigraphic columns digitally, replacing traditional field notebooks. It logs location, links photos to descriptions, and exports data for analysis. Optional tools enhance student learning in the field.

**Highlights:** Construct stratigraphic columns, Log sedimentological and stratigraphic information, Automatically log geo-location data, Link images to lithologic descriptions, Export stratigraphic column as JPEG, Export layer records to CSV, Optional pedagogical tools for student learning

**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 StratLogger free?

StratLogger 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, StratLogger or GMDE Lite?

GMDE Lite is rated higher. StratLogger averages 3.5 out of 5 from 2 ratings, while GMDE Lite averages 5.0 from 2 ratings.

### Do StratLogger or GMDE Lite have ads?

Neither StratLogger nor GMDE Lite shows ads.

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

StratLogger ships an update every 17 months, and GMDE Lite every 3 weeks. Most recently, StratLogger was updated on October 5, 2026 and GMDE Lite on October 9, 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.*