# HerpMapper vs EDDMapS

The clearest difference is rating: EDDMapS at 4.7 against HerpMapper's 3.5. EDDMapS also leads on review sentiment (57% vs 42%) and update cadence (monthly vs every 3 months). HerpMapper's advantage is iOS requirement (15.0 vs 18.6). On price, ads, in-app purchases and monetization model there is nothing between them.

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

EDDMapS holds the better App Store score, 4.7 against 3.5. That said, the two scores are not equally well evidenced: EDDMapS has 120 ratings behind it against 24, so its average is the more settled of the two. Written reviews point the same way: 42% of HerpMapper's written reviews are positive against 57% of EDDMapS's.

HerpMapper ships an update every 3 months, EDDMapS monthly. The most recent releases landed on June 1, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | HerpMapper | EDDMapS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (24 ratings)](https://appshunter.io/ios/app/herpmapper/id1266037481/reviews) | **[4.7 (120 ratings)](https://appshunter.io/ios/app/eddmaps/id1497390237/reviews)** |
| Number of ratings | 24 | **120** |
| Positive reviews | 41.7% of reviews | **57.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free | Free |
| Size | 67 MB | 251 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Donald Becker](https://appshunter.io/developer/525324975) | [Charles T. Bargeron](https://appshunter.io/developer/381326173) |

## What reviewers say

### HerpMapper

[App page](https://appshunter.io/ios/app/herpmapper/id1266037481)

Record reptile and amphibian observations with photos, sounds, and GPS locations. Your data supports scientific research and conservation efforts globally. Access your findings online and contribute to a shared database.

**Highlights:** Record observations with photos and sound, Automatic GPS location tagging, Offline recording capability, Searchable herpetofauna database, Data contribution to research and conservation, View records on the HerpMapper website

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is HerpMapper free?

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

### Is EDDMapS free?

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

### Which has better reviews, HerpMapper or EDDMapS?

EDDMapS is rated higher. HerpMapper averages 3.5 out of 5 from 24 ratings, while EDDMapS averages 4.7 from 120 ratings.

### Do HerpMapper or EDDMapS have ads?

Neither HerpMapper nor EDDMapS shows ads.

### Which is updated more often, HerpMapper or EDDMapS?

HerpMapper ships an update every 3 months, and EDDMapS monthly. Most recently, HerpMapper was updated on June 1, 2026 and EDDMapS on September 25, 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.*