# Global Predictor vs Arable Water

The clearest difference is rating: Arable Water at 5.0 against Global Predictor's 3.5. Arable Water also leads on in-app purchases (none vs 2) and update cadence (weekly vs every 8 months). Global Predictor's advantage is chart position (#150 vs unranked). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Global Predictor sells 2 in-app purchases, starting at $5.99 per month. Arable Water asks for nothing beyond the download.

Arable Water holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 11 and 5 respectively.

Global Predictor ships an update every 8 months, Arable Water weekly. The most recent releases landed on October 8, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Global Predictor | Arable Water |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (11 ratings)](https://appshunter.io/ios/app/global-predictor/id6498934220/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/arable-water/id6502395660/reviews)** |
| Number of ratings | **11** | 5 |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 months | **Weekly** |
| Monetization | Freemium | **Free** |
| Best chart rank | **#150** | — |
| Size | 12 MB | 70 MB |
| Requires iOS | **15.5** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | +4 |
| Developer | [Weather 20/20 LLC](https://appshunter.io/developer/1741992117) | [Arable Labs, Inc.](https://appshunter.io/developer/1476436391) |

## What reviewers say

### Global Predictor

[App page](https://appshunter.io/ios/app/global-predictor/id6498934220)

**Currently charting:** #150 Top Grossing · Weather (US App Store)

Get reliable, long-range weather forecasts up to six months in advance for planning travel, events, and outdoor activities. Utilizes a unique recurring cycle methodology for accurate predictions, with an interactive map to view forecasts for any global location.

**Highlights:** 6-month global forecasts, Interactive world map, Lezak's Recurring Cycle (LRC) methodology, User-friendly interface, Planning for travel and events, Detailed daily forecasts

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Global Predictor Pro Monthly | $5.99 | per month |
| Global Predictor Pro Annual | $49.99 | per year |


### 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


## Frequently asked questions

### Is Global Predictor free?

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

### Is Arable Water free?

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

### Which has better reviews, Global Predictor or Arable Water?

Arable Water is rated higher. Global Predictor averages 3.5 out of 5 from 11 ratings, while Arable Water averages 5.0 from 5 ratings.

### Do Global Predictor or Arable Water have ads?

Neither Global Predictor nor Arable Water shows ads.

### Which is updated more often, Global Predictor or Arable Water?

Global Predictor ships an update every 8 months, and Arable Water weekly. Most recently, Global Predictor was updated on October 8, 2026 and Arable Water on October 22, 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.*