# Chemtrail Detector vs eZeit

The clearest difference is price: eZeit at Free against Chemtrail Detector's $0.99. eZeit also leads on review sentiment (33% vs 0%) and update cadence (every 2 months vs every 25 months). On ads, in-app purchases and device support there is nothing between them.

eZeit is free to download; Chemtrail Detector costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Chemtrail Detector ships an update every 25 months, eZeit every 2 months. The most recent releases landed on October 13, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Chemtrail Detector | eZeit |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/chemtrail-detector/id1132661883/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | **33.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 25 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Size | 1 MB | 61 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ZoliTech](https://appshunter.io/developer/559472506) | [UNI Electronic GmbH](https://appshunter.io/developer/868765983) |

## What reviewers say

### Chemtrail Detector

[App page](https://appshunter.io/ios/app/chemtrail-detector/id1132661883)

Explore atmospheric data with real-time estimates of aluminium particle concentrations above your location. Visualize and discuss sky phenomena using GPS and local weather conditions. Includes a live gauge, sky map, and photo analysis feature.

**Highlights:** Live PPM gauge, Animated, color-coded indicator, Sky Map with particle level overlay, Current weather conditions, Simulated sky photo analysis

**Features:** macOS Compatibility

**In-app purchases:** none


### eZeit

[App page](https://appshunter.io/ios/app/ezeit/id1496593693)

This app allows tradespeople to quickly and easily record their work hours for construction sites directly from their smartphone. It integrates with other software for seamless time tracking and can be used offline.

**Highlights:** Quick time entry for construction sites, Offline usage capability, Integration with P.2 Excellent®, Activity logging, Break and travel time recording

**In-app purchases:** none


## Frequently asked questions

### Is Chemtrail Detector free?

Chemtrail Detector costs $0.99, with no in-app purchases.

### Is eZeit free?

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

### Do Chemtrail Detector or eZeit have ads?

Neither Chemtrail Detector nor eZeit shows ads.

### Which is updated more often, Chemtrail Detector or eZeit?

Chemtrail Detector ships an update every 25 months, and eZeit every 2 months. Most recently, Chemtrail Detector was updated on October 13, 2026 and eZeit on September 24, 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.*