# EDDMapS vs The CHAD

The clearest difference is ratings volume: EDDMapS at 120 against The CHAD's 1. The CHAD's advantage is rating (5.0 vs 4.7) and iOS requirement (16.6 vs 18.6). On price, update cadence, 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.

The CHAD holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: EDDMapS has 120 ratings behind it against 1, so its average is the more settled of the two.

EDDMapS ships an update monthly, The CHAD every 4 weeks. The most recent releases landed on September 25, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | EDDMapS | The CHAD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (120 ratings)](https://appshunter.io/ios/app/eddmaps/id1497390237/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/the-chad/id6745130293/reviews)** |
| Number of ratings | **120** | 1 |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 weeks** |
| Monetization | Free | Free |
| Size | 251 MB | 41 MB |
| Requires iOS | 18.6 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Charles T. Bargeron](https://appshunter.io/developer/381326173) | [Motivf](https://appshunter.io/developer/1810871126) |

## What reviewers say

### EDDMapS

[App page](https://appshunter.io/ios/app/eddmaps/id1497390237)

Document and map the distribution of invasive species with this user-friendly system. It allows for easy data submission, visualization, and querying, aiding in early detection and rapid response efforts. All data is reviewed by experts for accuracy.

**Highlights:** Document invasive species distribution, User-friendly mapping system, Data submission and querying, Interactive maps, Expert data verification, Early Detection and Rapid Response support

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

**In-app purchases:** none


### The CHAD

[App page](https://appshunter.io/ios/app/the-chad/id6745130293)

A secure field mapping tool designed for mapping invasive species activities. Access is restricted to authorized personnel from participating organizations.

**Highlights:** Secure field mapping, Invasive species activity tracking, On-the-go mapping, Restricted access, Wildlife monitoring

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

**In-app purchases:** none


## Frequently asked questions

### Is EDDMapS free?

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

### Is The CHAD free?

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

### Which has better reviews, EDDMapS or The CHAD?

The CHAD is rated higher. EDDMapS averages 4.7 out of 5 from 120 ratings, while The CHAD averages 5.0 from 1 ratings.

### Do EDDMapS or The CHAD have ads?

Neither EDDMapS nor The CHAD shows ads.

### Which is updated more often, EDDMapS or The CHAD?

EDDMapS ships an update monthly, and The CHAD every 4 weeks. Most recently, EDDMapS was updated on September 25, 2026 and The CHAD on September 19, 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.*