# Great Lakes EDN vs TreeSnap

The clearest difference is review sentiment: TreeSnap at 100% against Great Lakes EDN's 0%. TreeSnap also leads on rating (4.6 vs 4.1) and update cadence (every 3 weeks vs every 3 months). 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.

TreeSnap holds the better App Store score, 4.6 against 4.1. Both are backed by a comparable volume of ratings — 9 and 19 respectively. Written reviews point the same way: 0% of Great Lakes EDN's written reviews are positive against 100% of TreeSnap's.

Great Lakes EDN ships an update every 3 months, TreeSnap every 3 weeks. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Great Lakes EDN | TreeSnap |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (9 ratings)](https://appshunter.io/ios/app/great-lakes-edn/id627653474/reviews) | **[4.6 (19 ratings)](https://appshunter.io/ios/app/treesnap/id1226499160/reviews)** |
| Number of ratings | 9 | **19** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 86 MB | 134 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Charles T. Bargeron](https://appshunter.io/developer/381326173) | [University of Tennessee](https://appshunter.io/developer/390185553) |

## What reviewers say

### Great Lakes EDN

[App page](https://appshunter.io/ios/app/great-lakes-edn/id627653474)

Report invasive species sightings in the Great Lakes region. Submit observations with photos and GPS data to help track and manage threats to local ecosystems and wildlife. The app supports offline reporting and provides identification guides.

**Highlights:** GPS location capture, Submit sighting images, Online and offline reporting, Invasive species ID guides, Real-time distribution maps, Invasive species resources

**Features:** macOS Compatibility

**In-app purchases:** none


### TreeSnap

[App page](https://appshunter.io/ios/app/treesnap/id1226499160)

Contribute to vital tree research by identifying and tagging healthy trees in your area. Your data helps scientists study genetic diversity and develop better tree breeding programs to combat invasive diseases and pests.

**Highlights:** Identify and tag trees, Contribute to scientific research, Support forest health initiatives, Locate trees for genetic studies, Aid tree breeding programs

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

**In-app purchases:** none


## Frequently asked questions

### Is Great Lakes EDN free?

Great Lakes EDN is free to download, with no in-app purchases.

### Is TreeSnap free?

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

### Which has better reviews, Great Lakes EDN or TreeSnap?

TreeSnap is rated higher. Great Lakes EDN averages 4.1 out of 5 from 9 ratings, while TreeSnap averages 4.6 from 19 ratings.

### Do Great Lakes EDN or TreeSnap have ads?

Neither Great Lakes EDN nor TreeSnap shows ads.

### Which is updated more often, Great Lakes EDN or TreeSnap?

Great Lakes EDN ships an update every 3 months, and TreeSnap every 3 weeks. Most recently, Great Lakes EDN was updated on November 1, 2026 and TreeSnap on November 2, 2026.

---

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