# Arable Water vs The Karl

The clearest difference is iOS requirement: Arable Water at 15.6 against The Karl's 18.0. On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. 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 Arable Water against 5.0 for The Karl. Both are backed by a comparable volume of ratings — 5 and 3 respectively.

## The numbers

| Metric | Arable Water | The Karl |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/arable-water/id6502395660/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/the-karl/id6790563002/reviews) |
| Number of ratings | **5** | 3 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | — |
| Monetization | Free | Free |
| Size | 70 MB | 7 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | +4 | 4+ |
| Developer | [Arable Labs, Inc.](https://appshunter.io/developer/1476436391) | [Parwaz Labs LLC](https://appshunter.io/developer/1896596467) |

## What reviewers say

### Arable Water

[App page](https://appshunter.io/ios/app/arable-water/id6502395660)

This app helps farmers optimize water usage through advanced modeling and forecasting. It uses in-field data on weather, plants, and soil to provide insights for irrigation decisions, promoting water sustainability.

**Highlights:** In-field weather data integration, Plant and soil measurement analysis, Advanced water balance modeling, Irrigation optimization, Water sustainability goal achievement, Machine learning forecasting

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

**In-app purchases:** none


### The Karl

[App page](https://appshunter.io/ios/app/the-karl/id6790563002)

This app provides real-time fog and sun forecasts using satellite data and local sensors. It offers a transparent view of data sources and uses machine learning to personalize predictions for your microclimate. Find sunny spots and get detailed burn-off times.

**Highlights:** Real satellite imagery, Local sensor data integration, Machine learning personalization, Sun and fog burn-off times, Sunny spot finder, Multiple map layers, Lock Screen Live Activity

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Arable Water free?

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

### Is The Karl free?

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

### Which has better reviews, Arable Water or The Karl?

Arable Water and The Karl are both rated 5.0 out of 5 on the App Store, from 5 and 3 ratings respectively.

### Do Arable Water or The Karl have ads?

Neither Arable Water nor The Karl shows ads.

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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.*