# Behayve vs EI Field App

The clearest difference is in-app purchases: EI Field App at none against Behayve's 4. Behayve's advantage is update cadence (every 10 days vs every 5 months) and iOS requirement (12.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Behayve sells 4 in-app purchases, starting at $1.49 per 3 months. EI Field App asks for nothing beyond the download.

Behayve ships an update every 10 days, EI Field App every 5 months. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Behayve | EI Field App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/behayve/id1398785541/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 192 MB | 123 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Bill Fulton](https://appshunter.io/developer/1398785540) | [EcoMetrix Solutions Group](https://appshunter.io/developer/1167560424) |

## What reviewers say

### Behayve

[App page](https://appshunter.io/ios/app/behayve/id1398785541)

This app allows researchers and teams to record animal behaviors, tracks, and environmental data in real-time. It offers configurable sampling modes, custom data fields, and insightful maps to pinpoint observations. Facilitates collaboration and seamless data export to GIS systems.

**Highlights:** Real-time behavior and track recording, Configurable ethograms and custom data, Multiple sampling modes, Real-time insight maps, Collaboration and data sharing, GIS and spreadsheet export, Onboard database reliability

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Citizen scientist quarterly | $1.49 | per 3 months |
| All features monthly | $4.99 | per month |
| All features quarterly | $12.99 | per 3 months |
| All features permanently | $49.99 | one-time |


### 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 Behayve free?

Behayve is free to download, with in-app purchases available.

### Is EI Field App free?

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

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

Neither Behayve nor EI Field App shows ads.

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

Behayve ships an update every 10 days, and EI Field App every 5 months. Most recently, Behayve was updated on October 6, 2026 and EI Field App on October 7, 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.*