# Forecast Clock vs Air & Water Intelligence Map

The clearest difference is update cadence: Air & Water Intelligence Map at every 4 months against Forecast Clock's every 104 months. Forecast Clock's advantage is iOS requirement (14.0 vs 26.2). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Forecast Clock ships an update every 104 months, Air & Water Intelligence Map every 4 months. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Forecast Clock | Air & Water Intelligence Map |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 104 months | **Every 4 months** |
| Size | 8 MB | 15 MB |
| Requires iOS | **14.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ramalingam Sivaramakrishnan](https://appshunter.io/developer/892706271) | [Toru Kawaguchi](https://appshunter.io/developer/1063198642) |

## What reviewers say

### Forecast Clock

[App page](https://appshunter.io/ios/app/forecast-clock-live/id1130755557)

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

**In-app purchases:** none


### Air & Water Intelligence Map

[App page](https://appshunter.io/ios/app/air-and-water-intelligence-map/id6760659392)

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

**In-app purchases:** none


## Frequently asked questions

### Is Forecast Clock free?

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

### Is Air & Water Intelligence Map free?

Air & Water Intelligence Map is free to download, with no in-app purchases.

### Do Forecast Clock or Air & Water Intelligence Map have ads?

Both Forecast Clock and Air & Water Intelligence Map show ads.

### Which is updated more often, Forecast Clock or Air & Water Intelligence Map?

Forecast Clock ships an update every 104 months, and Air & Water Intelligence Map every 4 months. Most recently, Forecast Clock was updated on October 24, 2026 and Air & Water Intelligence Map on October 31, 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.*