# AirGradient Map vs StormNet

The clearest difference is iOS requirement: StormNet at 15.1 against AirGradient Map's 18.0. On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for AirGradient Map against 4.9 for StormNet. Both are backed by a comparable volume of ratings — 12 and 18 respectively. Written reviews are what separate them: 86% of AirGradient Map's written reviews are positive against 82% of StormNet's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | AirGradient Map | StormNet |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (12 ratings)](https://appshunter.io/ios/app/airgradient-map/id6752292182/reviews)** | [4.9 (18 ratings)](https://appshunter.io/ios/app/stormnet/id6760000154/reviews) |
| Number of ratings | 12 | **18** |
| Positive reviews | **85.7% of reviews** | 81.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 35 MB | 39 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [AirGradient Ltd.](https://appshunter.io/developer/1838635986) | [Cloudnine Weather, Inc.](https://appshunter.io/developer/487445927) |

## What reviewers say

### AirGradient Map

[App page](https://appshunter.io/ios/app/airgradient-map/id6752292182)

Get real-time, accurate air quality data with a live map, personalized alerts, and science-based guidance. Plan your day, reduce exposure, and protect your health with actionable insights.

**Highlights:** Live AQI and PM2.5 map, Personalized air quality alerts, Global coverage, Science-based guidance, Home and Lock Screen widgets, Offline-aware status

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

**In-app purchases:** none


### StormNet

[App page](https://appshunter.io/ios/app/stormnet/id6760000154)

This app provides highly accurate severe weather forecasts using advanced radar and real-time data analysis. It predicts risks for lightning, hail, damaging winds, and tornadoes up to 14 days in advance.

**Highlights:** NEXRAD Super-Res Radar, 14-day severe weather forecasts, Lightning, hail, wind, tornado risk prediction, Real-time data analysis, Radar overlays (reflectivity, velocity), National Weather Service warnings

**In-app purchases:** none


## Frequently asked questions

### Is AirGradient Map free?

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

### Is StormNet free?

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

### Which has better reviews, AirGradient Map or StormNet?

AirGradient Map is rated higher. AirGradient Map averages 5.0 out of 5 from 12 ratings, while StormNet averages 4.9 from 18 ratings.

### Do AirGradient Map or StormNet have ads?

Neither AirGradient Map nor StormNet shows ads.

### Which is updated more often, AirGradient Map or StormNet?

AirGradient Map ships an update every 2 months, and StormNet every 2 months. Most recently, AirGradient Map was updated on October 9, 2026 and StormNet on October 8, 2026.

---

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