# Caeli vs Naonair

The clearest difference is update cadence: Caeli at fortnightly against Naonair's every 5 weeks. 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.

Caeli ships an update fortnightly, Naonair every 5 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | Caeli | Naonair |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Monetization | — | Free |
| Size | 48 MB | 47 MB |
| Requires iOS | **11.0** | 12.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [42 Factory](https://appshunter.io/developer/1503010707) | [Air Pays de la Loire](https://appshunter.io/developer/1613891603) |

## What reviewers say

### Caeli

[App page](https://appshunter.io/ios/app/caeli/id1503010708)

**Features:** macOS Compatibility

**In-app purchases:** none


### Naonair

[App page](https://appshunter.io/ios/app/naonair/id1613891601)

Stay informed about real-time air quality and pollution levels in the Nantes metropolitan area. This app helps you limit your exposure to pollutants and make healthier choices for your daily activities and outdoor exercise.

**Highlights:** Real-time air quality monitoring, Pollution level forecasts, Route planning based on air quality, Discover healthy outdoor routes, Personalized health recommendations

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Caeli free?

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

### Is Naonair free?

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

### Do Caeli or Naonair have ads?

Neither Caeli nor Naonair shows ads.

### Which is updated more often, Caeli or Naonair?

Caeli ships an update fortnightly, and Naonair every 5 weeks. Most recently, Caeli was updated on November 3, 2026 and Naonair on November 3, 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.*