# Rain Viewer vs CBFEWS

The clearest difference is in-app purchases: CBFEWS at none against Rain Viewer's 1. CBFEWS also leads on ads (none vs shown) and iOS requirement (16.4 vs 18.0). Rain Viewer's advantage is update cadence (every 5 days vs monthly). On price and device support there is nothing between them.

Both are free to download. Rain Viewer sells 1 in-app purchase, starting at $2.99 per year. CBFEWS asks for nothing beyond the download.

Rain Viewer ships an update every 5 days, CBFEWS monthly. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Rain Viewer | CBFEWS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (6 ratings)](https://appshunter.io/ios/app/rain-viewer-rain-radar-map/id6670484544/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Monthly |
| Monetization | Freemium | — |
| Size | 65 MB | 56 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Ralph Petrenz](https://appshunter.io/developer/1592914578) | [Icimod](https://appshunter.io/developer/1661088516) |

## What reviewers say

### Rain Viewer

[App page](https://appshunter.io/ios/app/rain-viewer-rain-radar-map/id6670484544)

This app provides a real-time rain radar and comprehensive weather forecasts. Track precipitation, view air quality, and receive severe weather alerts. Plan your day or trips with detailed hourly and 10-day outlooks.

**Highlights:** Real-time precipitation radar, 14-hour and 10-day forecasts, Air Quality View, Severe weather alerts, Unlimited favorite locations, 120-minute history slider

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited access | $2.99 | per year |


### CBFEWS

[App page](https://appshunter.io/ios/app/cbfews/id6788659892)

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

**In-app purchases:** none


## Frequently asked questions

### Is Rain Viewer free?

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

### Is CBFEWS free?

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

### Do Rain Viewer or CBFEWS have ads?

Rain Viewer shows ads; CBFEWS does not.

### Which is updated more often, Rain Viewer or CBFEWS?

Rain Viewer ships an update every 5 days, and CBFEWS monthly. Most recently, Rain Viewer was updated on October 27, 2026 and CBFEWS on October 25, 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.*