# Demeter Météo vs ER Weather

The clearest difference is update cadence: ER Weather at weekly against Demeter Météo's every 3 months. Demeter Météo's advantage is iOS requirement (12.0 vs 15.0). 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.

Demeter Météo ships an update every 3 months, ER Weather weekly. The most recent releases landed on October 17, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Demeter Météo | ER Weather |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/er-weather/id6739453877/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | — | Free |
| Size | 50 MB | 5 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ESTIBO SAS](https://appshunter.io/developer/1480728443) | [JEAN-MARIE BOIS](https://appshunter.io/developer/1785409206) |

## What reviewers say

### Demeter Météo

[App page](https://appshunter.io/ios/app/demeter-meteo/id1481829654)

**Features:** macOS Compatibility

**In-app purchases:** none


### ER Weather

[App page](https://appshunter.io/ios/app/er-weather/id6739453877)

This weather app prioritizes privacy and uses a unique forecast system to predict severe weather events like tornadoes and thunderstorms. It aims for high accuracy while minimizing resource usage.

**Highlights:** Privacy-focused design, Custom severe weather prediction, Tornado and thunderstorm alerts, Lightning and hail detection, Wind and snow squall forecasts, Resource-efficient operation

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

**In-app purchases:** none


## Frequently asked questions

### Is Demeter Météo free?

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

### Is ER Weather free?

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

### Do Demeter Météo or ER Weather have ads?

Neither Demeter Météo nor ER Weather shows ads.

### Which is updated more often, Demeter Météo or ER Weather?

Demeter Météo ships an update every 3 months, and ER Weather weekly. Most recently, Demeter Météo was updated on October 17, 2026 and ER Weather on October 24, 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.*