# Leafscan vs ET0Edge

The clearest difference is price: ET0Edge at Free against Leafscan's $19.99. ET0Edge also leads on update cadence (fortnightly vs every 104 months) and iOS requirement (13.0 vs 15.6). Leafscan's advantage is chart position (#190 vs unranked) and ratings volume (6 vs 1). On rating, ads, in-app purchases and device support there is nothing between them.

ET0Edge is free to download; Leafscan costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Leafscan against 5.0 for ET0Edge. That said, the two scores are not equally well evidenced: Leafscan has 6 ratings behind it against 1, so its average is the more settled of the two.

Leafscan ships an update every 104 months, ET0Edge fortnightly. The most recent releases landed on September 7, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | Leafscan | ET0Edge |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| Rating | [5.0 (6 ratings)](https://appshunter.io/ios/app/leafscan/id1254892230/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/et0edge/id1636315582/reviews) |
| Number of ratings | **6** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 104 months | **Fortnightly** |
| Monetization | Paid | **Free** |
| Best chart rank | **#190** | — |
| Size | 46 MB | 91 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Carlos Anderson](https://appshunter.io/developer/1095157042) | [AgriEdge](https://appshunter.io/developer/1708299214) |

## What reviewers say

### Leafscan

[App page](https://appshunter.io/ios/app/leafscan/id1254892230)

**Currently charting:** #190 Top Paid · Productivity (US App Store)

Instantly measure leaf surface area using your phone's camera. Log and export measurements as a CSV file. Requires a white background with reference markers for accurate results.

**Highlights:** Measure leaf surface area, Log and export measurements, Measure multiple leaves per photo, Import photos from library, Automatic angle correction, Customizable units and thresholds

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

**In-app purchases:** none


### ET0Edge

[App page](https://appshunter.io/ios/app/et0edge/id1636315582)

This app calculates daily reference evapotranspiration (ET0) for agricultural fields, enabling precise irrigation management and optimizing water use. It provides localized weather data, daily ET0 values, and real-time notifications for informed irrigation decisions.

**Highlights:** Calculate daily reference evapotranspiration (ET0), Optimize irrigation scheduling, Access localized weather data, Receive real-time ET0 notifications, Review ET0 history, Manage agricultural plots

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Leafscan free?

Leafscan costs $19.99, with no in-app purchases.

### Is ET0Edge free?

ET0Edge is free to download, with no in-app purchases.

### Which has better reviews, Leafscan or ET0Edge?

Leafscan and ET0Edge are both rated 5.0 out of 5 on the App Store, from 6 and 1 ratings respectively.

### Do Leafscan or ET0Edge have ads?

Neither Leafscan nor ET0Edge shows ads.

### Which is updated more often, Leafscan or ET0Edge?

Leafscan ships an update every 104 months, and ET0Edge fortnightly. Most recently, Leafscan was updated on September 7, 2026 and ET0Edge on June 5, 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.*