# FreshAir Sensor vs Lumi

The clearest difference is in-app purchases: FreshAir Sensor at none against Lumi's 1. FreshAir Sensor also leads on update cadence (every 2 months vs every 54 months) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Lumi sells 1 one-off in-app purchase. FreshAir Sensor asks for nothing beyond the download.

FreshAir Sensor ships an update every 2 months, Lumi every 54 months. The most recent releases landed on June 1, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | FreshAir Sensor | Lumi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/freshair-sensor/id1282065363/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 54 months |
| Monetization | Free | — |
| Size | 72 MB | 2 MB |
| Requires iOS | **15.2** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [FreshAir Sensor](https://appshunter.io/developer/1282065362) | [Kazumasa Matsushita](https://appshunter.io/developer/1569771331) |

## What reviewers say

### FreshAir Sensor

[App page](https://appshunter.io/ios/app/freshair-sensor/id1282065363)

This application allows you to set up and manage your FreshAir nicotine monitoring device. View real-time smoking alerts and monitor device status directly from your smartphone.

**Highlights:** Install FreshAir nicotine monitoring device, View FreshAir smoking alerts, Monitor device status, Receive real-time notifications

**Features:** macOS Compatibility

**In-app purchases:** none


### Lumi

[App page](https://appshunter.io/ios/app/lumi-det/id1569771329)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support max 10 devices | $2.99 | one-time |


## Frequently asked questions

### Is FreshAir Sensor free?

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

### Is Lumi free?

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

### Do FreshAir Sensor or Lumi have ads?

Neither FreshAir Sensor nor Lumi shows ads.

### Which is updated more often, FreshAir Sensor or Lumi?

FreshAir Sensor ships an update every 2 months, and Lumi every 54 months. Most recently, FreshAir Sensor was updated on June 1, 2026 and Lumi on September 9, 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.*