# Smog Report vs Nebulo

The clearest difference is rating: Smog Report at 5.0 against Nebulo's 4.0. Smog Report also leads on update cadence (weekly vs every 4 weeks). Nebulo's advantage is in-app purchases (none vs 5) and ads (none vs shown). On price, ratings volume, monetization model and device support there is nothing between them.

Both are free to download. Smog Report sells 5 one-off in-app purchases. Nebulo asks for nothing beyond the download.

Smog Report holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews complicate that: 47% of Smog Report's written reviews are positive against 75% of Nebulo's, so the app with the better star average is not the one people write more warmly about.

Smog Report ships an update weekly, Nebulo every 4 weeks. The most recent releases landed on October 25, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Smog Report | Nebulo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/smog-report/id607748201/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/nebulo/id896360158/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 47.4% of reviews | **75.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 4 weeks |
| Monetization | Free | Free |
| Size | 17 MB | 12 MB |
| Requires iOS | 26.4 | **15.6** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPod, Apple Watch |
| Age rating | +4 | 4+ |
| Developer | [Embay, LLC](https://appshunter.io/developer/1730783354) | [Undertide LLP](https://appshunter.io/developer/896360161) |

## What reviewers say

### Smog Report

[App page](https://appshunter.io/ios/app/smog-report/id607748201)

Get real-time air quality data and multi-day forecasts for any U.S. location. Understand pollutant breakdowns and track yearly trends. Stay informed with widgets and live activity alerts.

**Highlights:** Real-time AQI readings, Multi-day air quality forecasts, 12-month air quality trends, Home and Lock Screen widgets, Live Activities and Dynamic Island alerts, Smart refresh based on AQI, Multiple location support

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fresh Air | $0.99 | one-time |
| upgrade | $1.99 | one-time |
| Clear Skies | $2.99 | one-time |
| Perfect Day | $4.99 | one-time |
| Clean Air Hero | $9.99 | one-time |


### Nebulo

[App page](https://appshunter.io/ios/app/nebulo/id896360158)

This app provides real-time air quality information based on the nearest weather station. It uses US EPA AQI Standards for reliable data, covering regions like Singapore, Malaysia, Thailand, and Hong Kong.

**Highlights:** Real-time air quality data, Nearest weather station reports, US EPA AQI Standards, Support for Singapore, Malaysia, Thailand, Hong Kong, Beautiful, minimalist interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Smog Report free?

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

### Is Nebulo free?

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

### Which has better reviews, Smog Report or Nebulo?

Smog Report is rated higher. Smog Report averages 5.0 out of 5 from 2 ratings, while Nebulo averages 4.0 from 1 ratings.

### Do Smog Report or Nebulo have ads?

Smog Report shows ads; Nebulo does not.

### Which is updated more often, Smog Report or Nebulo?

Smog Report ships an update weekly, and Nebulo every 4 weeks. Most recently, Smog Report was updated on October 25, 2026 and Nebulo on October 15, 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.*