# Leafscan vs Link4 Cloud

The clearest difference is price: Link4 Cloud at Free against Leafscan's $19.99. Link4 Cloud also leads on update cadence (every 6 months vs every 104 months) and iOS requirement (12.0 vs 15.6). Leafscan's advantage is ratings volume (6 vs 2). On rating, ads, in-app purchases and device support there is nothing between them.

Link4 Cloud 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 Link4 Cloud. Both are backed by a comparable volume of ratings — 6 and 2 respectively.

Leafscan ships an update every 104 months, Link4 Cloud every 6 months. The most recent releases landed on September 22, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Leafscan | Link4 Cloud |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| Rating | [5.0 (6 ratings)](https://appshunter.io/ios/app/leafscan/id1254892230/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/link4-cloud/id1586175290/reviews) |
| Number of ratings | **6** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 104 months | **Every 6 months** |
| Monetization | Paid | **Free** |
| Size | 46 MB | 11 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Carlos Anderson](https://appshunter.io/developer/1095157042) | [Link4 Corporation](https://appshunter.io/developer/381382009) |

## What reviewers say

### Leafscan

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

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


### Link4 Cloud

[App page](https://appshunter.io/ios/app/link4-cloud/id1586175290)

Monitor and control your Link4 iGrow 1800 and Pearl environmental controllers remotely. Receive real-time alerts, view sensor data, and make configuration changes from anywhere in the world. Log notes and tasks for your grow operation.

**Highlights:** Real-time alarm notifications, Sensor readings access, Configuration changes, Crop information access, Grow Journal Notes and Tasks

**In-app purchases:** none


## Frequently asked questions

### Is Leafscan free?

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

### Is Link4 Cloud free?

Link4 Cloud is free to download, with no in-app purchases.

### Which has better reviews, Leafscan or Link4 Cloud?

Leafscan and Link4 Cloud are both rated 5.0 out of 5 on the App Store, from 6 and 2 ratings respectively.

### Do Leafscan or Link4 Cloud have ads?

Neither Leafscan nor Link4 Cloud shows ads.

### Which is updated more often, Leafscan or Link4 Cloud?

Leafscan ships an update every 104 months, and Link4 Cloud every 6 months. Most recently, Leafscan was updated on September 22, 2026 and Link4 Cloud 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.*