Comparison

HomeAtmo vs NADIR

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

Head to head
About

HomeAtmo

This app centralizes data from all your Netatmo devices, including weather stations, air quality sensors, and thermostats. It offers a smart dashboard for viewing measurements, customizable widgets, and detailed historical charts. Access all your smart home data in one place.

Highlights
  • Centralized Netatmo device support
  • Smart dashboard with customizable views
  • Lock screen widgets
  • Multi-curve historical charts
  • Automatic dark/light theme
  • Detailed sensor information
Features
Read full description

The HomeAtmo app supports the full range of Netatmo devices: weather stations and all their additional modules (indoor sensors, wind gauge, rain gauge), air quality sensors (Aircare or Healthy Home Coach), thermostats, and thermostatic valves. There is no limit to the number of supported devices. No additional account creation is required: simply use your existing Netatmo account. The iOS app includes a version for Apple Watch, letting you view your measurements on your watch and set up 3 different types of complications on your watch face. For these complications, you can select which sensor to display and even the type of measurement (for accessory Corner and accessory Circular complications). SMART DASHBOARD HomeAtmo offers a clear, ergonomic dashboard to view all your measurements: Interface designed to give a global view and compare the values of all your sensors at the same time Automatic adaptation to all iPhone and iPad screen sizes, in portrait or landscape orientation Filtering by device, by location, or a global view Full customization: color or monochrome mode, optional title display, font and gauge size, display order for measurements and sensors Automatic dark or light theme based on your system preferences The "i" icon next to each sensor shows detailed information: ID, firmware version, location, installation date, and timestamp of the last measurement. Automatic refresh based on each sensor's reporting period, or manual refresh via "pull to refresh". CUSTOMIZABLE WIDGETS Widgets available, including on the lock screen: Unlimited number of widgets Small and medium sizes Sensor selection and display customization for each widget FLEXIBLE PRICING MODEL HomeAtmo is free, with the option of a monthly subscription or a one-time lifetime purchase: Free version: one measurement per sensor (temperature, rainfall, wind speed) Full version: unlimited access to all measurements from all your sensors. The subscription includes a free trial period MULTI-CURVE CHARTS (full version) Up to 5 curves shown simultaneously on the same chart All available measurements: temperature, target temperature, CO2, relative and absolute humidity, noise, atmospheric pressure, rainfall, wind, and gusts Customizable periods: preset range, calendar, or custom dates Full navigation through your history Ability to create shortcuts to display your favorite charts in a single tap COMPATIBILITY Languages: English, French, German, Czech, Dutch, Italian, Spanish, Swedish Netatmo units respected: temperature (°C/°F), pressure (mbar/inHg/mmHg), rainfall (mm/inches), wind (km/h/mph/m/s/knots/Beaufort) iOS 16.6 minimum and watchOS 10.6 minimum ----- Legal notices ----- Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

NADIR

This app helps you optimize your home's temperature by comparing indoor and outdoor conditions hour by hour. It provides precise recommendations on when to open and close windows for natural cooling without air conditioning.

Highlights
  • Hourly indoor/outdoor temperature comparison
  • Daily recommended window opening times
  • 30-hour projected temperature graph
  • Open/close window alerts
  • Home thermal physics explanations
  • Home screen widgets
Features
Read full description

NADIR compare, heure par heure, la température chez vous à celle du dehors. L'app vous dit exactement quand ouvrir et quand fermer vos fenêtres pour rafraîchir votre logement sans climatisation. CE QUE VOUS POUVEZ FAIRE : • Renseigner votre ville (ou géolocalisation) et les caractéristiques de votre logement en 4 réglages simples • Consulter le verdict quotidien avec le créneau conseillé (ex: « Ouvrez de 22h à 07h ») • Voir le graphe température extérieure vs intérieure projeté sur 30 heures • Recevoir des alarmes au moment d'ouvrir et de fermer (notifications répétées à +3 et +6 min) • Comprendre la physique derrière les calculs et consulter les sources scientifiques • Ajouter des widgets à votre écran d'accueil pour suivre le créneau en continu POUR QUI ? Ceux qui n'ont pas d'autre choix que de rafraîchir la nuit. NADIR ne milite pas contre la climatisation, il aide celles et ceux qui veulent maîtriser leur consommation d'énergie. DONNÉES : Météo en temps réel (Open-Meteo), calculs physiques (modèle thermique 2 nœuds), zéro pub, zéro tracking. App iOS native (SwiftUI, iOS 17+). Créée par Solal Gendrin, conseiller métropolitain écologiste à la Métropole de Lyon.

Screenshots

HomeAtmo4 screens
NADIR4 screens

Verdict

The call

The clearest difference is in-app purchases: NADIR at none against HomeAtmo's 2. NADIR also leads on review sentiment (86% vs 70%). HomeAtmo's advantage is device support (3 vs 1). On price, ads and iOS requirement 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. HomeAtmo sells 2 in-app purchases, starting at $0.99 per month. NADIR asks for nothing beyond the download.

Scorecard4 real differences · 6 level
HomeAtmo versus NADIR: the parameters behind the verdict, then further details
ParameterHomeAtmoNADIR
PriceFreeFree
Rating4.9 (8 ratings) — better—
Positive reviews69.6% of reviews85.7% of reviews — better
Number of ratings8 — better—
Update frequencyMonthly—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, Apple Watch — betteriPhone
Requires iOS16.6 — better17.0
Further details — not scored
Size26 MB3 MB
Age rating4+4+
DeveloperAlexandre Cailletsolal gendrin

Customer experience

HomeAtmo

All ratings8 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews56 reviews
Positive69.6%
Neutral14.3%
Negative16.1%

NADIR

Written reviews14 reviews
Positive85.7%
Neutral14.3%
Negative0.0%

In-app purchases

2 purchases

HomeAtmo

Subscriptions1
  • Monthly subscription7 Days trial$0.991 Month
One-time1
  • iPhone/iPad/Watch Full version$8.99
None

NADIR

No in-app purchases

Questions

Is HomeAtmo free?
HomeAtmo is free to download, with in-app purchases available.
Is NADIR free?
NADIR is free to download, with no in-app purchases.
Do HomeAtmo or NADIR have ads?
Neither HomeAtmo nor NADIR shows ads.

Other comparisons