# TX Control vs Chemtrail Detector

The clearest difference is price: TX Control at Free against Chemtrail Detector's $0.99. TX Control also leads on update cadence (every 5 months vs every 25 months) and iOS requirement (15.1 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

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

TX Control ships an update every 5 months, Chemtrail Detector every 25 months. Both last shipped on October 13, 2026.

## The numbers

| Metric | TX Control | Chemtrail Detector |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/chemtrail-detector/id1132661883/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 25 months |
| Monetization | — | Paid |
| Size | 23 MB | 1 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [22HBG](https://appshunter.io/developer/575292715) | [ZoliTech](https://appshunter.io/developer/559472506) |

## What reviewers say

### TX Control

[App page](https://appshunter.io/ios/app/tx-control/id1103838702)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is TX Control free?

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

### Is Chemtrail Detector free?

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

### Do TX Control or Chemtrail Detector have ads?

Neither TX Control nor Chemtrail Detector shows ads.

### Which is updated more often, TX Control or Chemtrail Detector?

TX Control ships an update every 5 months, and Chemtrail Detector every 25 months. Most recently, TX Control was updated on October 13, 2026 and Chemtrail Detector on October 13, 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.*