# Tradity vs Kälteblick

The clearest difference is update cadence: Tradity at every 3 weeks against Kälteblick's every 9 months. Tradity also leads on iOS requirement (15.1 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

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

Tradity ships an update every 3 weeks, Kälteblick every 9 months. The most recent releases landed on October 19, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Tradity | Kälteblick |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 9 months |
| Size | 32 MB | 26 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tradity e.V.](https://appshunter.io/developer/1533074861) | [Landesinnung Kalte-Klima-Technik (KdoR) Hessen-ThuringenBaden-Wurttemberg](https://appshunter.io/developer/1669682259) |

## What reviewers say

### Tradity

[App page](https://appshunter.io/ios/app/tradity/id1533074859)

**Features:** Vision Pro support

**In-app purchases:** none


### Kälteblick

[App page](https://appshunter.io/ios/app/kalteblick/id1669682257)

**In-app purchases:** none


## Frequently asked questions

### Is Tradity free?

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

### Is Kälteblick free?

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

### Do Tradity or Kälteblick have ads?

Neither Tradity nor Kälteblick shows ads.

### Which is updated more often, Tradity or Kälteblick?

Tradity ships an update every 3 weeks, and Kälteblick every 9 months. Most recently, Tradity was updated on October 19, 2026 and Kälteblick on October 9, 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.*