Comparison

Demeter Météo vs ER Weather

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

★ 5.01 ratingsView app →

About

Demeter Météo

Features

Read full description

Vous êtes adhérent au réseau de stations météorologiques DEMETER, accédez à toutes vos données météo en direct ainsi qu'à vos historiques validés. - accès aux stations météo en direct. - accès aux cartographies en direct, pluie, vent, température... - programmez des alertes sur tous les capteurs pour les risques de gel, vent, pluie. - programmez vos alertes lessivage en fonction du nombre de millimètres de pluie. - comparez vos données avec votre historique météo ou par rapport à une autre station météo. - accédez à vos prévisions locales Météo France. - consultez votre bulletin de prévisions météo PRÉVI-CIBLE expertisé 2 fois par jour par le prévisionniste de Météo-France (abonnement optionnel). - personnalisez votre écran d'accueil en choisissant votre ou vos stations favorites - paramétrez vos alertes notifications ou mails

About

ER Weather

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

Read full description

A light privacy focused weather app that uses a custom forecast system to predict phenomenas like tornadoes, severe thunderstorms, hail, lightning, powerful winds, snow squalls and others. Trying to achieve the most accurate forecast possible with the least resources.

Screenshots

Demeter Météo4 screens

ER Weather4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level

Demeter Météo versus ER Weather: the parameters behind the verdict, then further details
Parameter	Demeter Météo	ER Weather
Price	Free	Free
Rating	—	5.0 (1 ratings) — better
Positive reviews	—	100.0% of reviews
Number of ratings	—	1 — better
Update frequency	Every 3 months	Weekly — better
Ads	No	No
In-app purchases	No	No
Monetization	—	Free
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	12.0 — better	15.0
Further details — not scored
Size	50 MB	5 MB
Age rating	4+	4+
Developer	ESTIBO SAS	JEAN-MARIE BOIS

In-app purchases

None

Demeter Météo

No in-app purchases

None

ER Weather

No in-app purchases

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.