# RainMaker_CWIP vs AvWx

The clearest difference is in-app purchases: RainMaker_CWIP at none against AvWx's 2. RainMaker_CWIP also leads on ads (none vs shown) and iOS requirement (15.6 vs 18.2). AvWx's advantage is update cadence (every 2 weeks vs every 12 months). On price and device support there is nothing between them.

Both are free to download. AvWx sells 2 in-app purchases, starting at $0.99 per month. RainMaker_CWIP asks for nothing beyond the download.

RainMaker_CWIP ships an update every 12 months, AvWx every 2 weeks. The most recent releases landed on October 11, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | RainMaker_CWIP | AvWx |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (8 ratings)](https://appshunter.io/ios/app/avwx/id6743827787/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 12 months | **Every 2 weeks** |
| Monetization | — | Freemium |
| Size | 7 MB | 114 MB |
| Requires iOS | **15.6** | 18.2 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Weather Modification LLC](https://appshunter.io/developer/1760043171) | [AvWx, LLC](https://appshunter.io/developer/1790210589) |

## What reviewers say

### RainMaker_CWIP

[App page](https://appshunter.io/ios/app/rainmaker-cwip/id1353125034)

**In-app purchases:** none


### AvWx

[App page](https://appshunter.io/ios/app/avwx/id6743827787)

Provides pilots and dispatchers with fast, reliable aviation weather information. It integrates data from official sources into an intuitive interface for operational decision-making, offering features like METAR/TAF analysis and advisory highlights.

**Highlights:** METAR & TAF runway wind components, FAA Advisories integration, Unlimited airport tracking (Pro), Extended Apple Weather forecasts (Pro), Sun & moon events visualization (Pro), Alternate requirements highlighting (Pro), Offline-aware operation

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Access | $0.99 | per month |
| All Access | $9.99 | per year |


## Frequently asked questions

### Is RainMaker_CWIP free?

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

### Is AvWx free?

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

### Do RainMaker_CWIP or AvWx have ads?

AvWx shows ads; RainMaker_CWIP does not.

### Which is updated more often, RainMaker_CWIP or AvWx?

RainMaker_CWIP ships an update every 12 months, and AvWx every 2 weeks. Most recently, RainMaker_CWIP was updated on October 11, 2026 and AvWx 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.*