# Pollen Info vs NADIR

The clearest difference is in-app purchases: NADIR at none against Pollen Info's 1. Pollen Info's advantage is review sentiment (100% vs 86%) and device support (3 vs 1). On price, ads and monetization model there is nothing between them.

Both are free to download. Pollen Info sells 1 one-off in-app purchase. NADIR asks for nothing beyond the download.

## The numbers

| Metric | Pollen Info | NADIR |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 85.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | — |
| Monetization | Free | Free |
| Size | 81 MB | 3 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Guillaume Maarek](https://appshunter.io/developer/1763882891) | [solal gendrin](https://appshunter.io/developer/1895315169) |

## What reviewers say

### Pollen Info

[App page](https://appshunter.io/ios/app/pollen-info-alerte-et-widget/id6753231069)

Receive personalized pollen alerts and check real-time local pollen levels with a convenient home screen widget. Anticipate high-risk periods and plan your activities with daily forecasts and integrated air quality and weather data.

**Highlights:** Personalized pollen alerts, Home screen widget, Tomorrow's forecasts, Real-time local data, Key pollen tracking, Air quality and weather integration

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Soutenir le projet | $1.99 | one-time |


### NADIR

[App page](https://appshunter.io/ios/app/nadir/id6788036137)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Pollen Info free?

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

### Is NADIR free?

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

### Do Pollen Info or NADIR have ads?

Neither Pollen Info nor NADIR shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*