# Atmosphere vs carbonTracker

The clearest difference is in-app purchases: carbonTracker at none against Atmosphere's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Atmosphere sells 1 one-off in-app purchase. carbonTracker asks for nothing beyond the download.

Atmosphere ships an update every 3 months, carbonTracker every 2 months. The most recent releases landed on October 7, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Atmosphere | carbonTracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (73 ratings)](https://appshunter.io/ios/app/atmosphere/id1553729600/reviews)** | — |
| Number of ratings | **73** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 42 MB | 83 MB |
| Requires iOS | 14.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vincent Neo](https://appshunter.io/developer/1523681069) | [BASF Digital Solutions GmbH](https://appshunter.io/developer/1482373796) |

## What reviewers say

### Atmosphere

[App page](https://appshunter.io/ios/app/atmosphere/id1553729600)

Identify cloud types in real-time using your device's camera with AI. Analyze photos, import images, or classify clouds manually. This app processes data locally for privacy and does not require an internet connection.

**Highlights:** Live AI cloud classification, Snap, import, or auto-classify clouds, Offline processing for privacy, Manual classification option, No user tracking

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full App | $1.99 | one-time |


### carbonTracker

[App page](https://appshunter.io/ios/app/carbontracker/id1586104781)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Atmosphere free?

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

### Is carbonTracker free?

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

### Do Atmosphere or carbonTracker have ads?

Neither Atmosphere nor carbonTracker shows ads.

### Which is updated more often, Atmosphere or carbonTracker?

Atmosphere ships an update every 3 months, and carbonTracker every 2 months. Most recently, Atmosphere was updated on October 7, 2026 and carbonTracker on September 21, 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.*