# Eco vs EI Field App

The clearest difference is iOS requirement: Eco at 9.3 against EI Field App's 17.6. 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.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Eco | EI Field App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ecomap-lite/id389354646/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | Free | — |
| Size | 213 MB | 123 MB |
| Requires iOS | **9.3** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Martin Seifert](https://appshunter.io/developer/381078324) | [EcoMetrix Solutions Group](https://appshunter.io/developer/1167560424) |

## What reviewers say

### Eco

[App page](https://appshunter.io/ios/app/ecomap-lite/id389354646)

This tool allows users to map plants and animals, record detailed attributes for each find, and display them on a map. It includes preset international databases and supports custom attribute definitions for tailored data collection.

**Highlights:** GPS-enabled location tracking, Customizable data attributes and forms, Integrated international species databases, Data export in CSV, KML, GPX, and Darwin Core formats, In-app photography with slideshow, Limited field trips and finds for Lite version

**Features:** macOS Compatibility

**In-app purchases:** none


### EI Field App

[App page](https://appshunter.io/ios/app/ei-field-app/id6450648578)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Eco free?

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

### Is EI Field App free?

EI Field App is free to download, with no in-app purchases.

### Do Eco or EI Field App have ads?

Neither Eco nor EI Field App shows ads.

### Which is updated more often, Eco or EI Field App?

Eco ships an update every 4 months, and EI Field App every 4 months. Most recently, Eco was updated on October 9, 2026 and EI Field App on October 24, 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.*