# herz TS vs Proxytherm

The clearest difference is iOS requirement: herz TS at 9.0 against Proxytherm's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

herz TS ships an update every 4 months, Proxytherm every 7 months. The most recent releases landed on October 9, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | herz TS | Proxytherm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/herz-ts/id598691471/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 7 months |
| Monetization | Free | — |
| Size | 4 MB | 32 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aleksandar Jovanovic](https://appshunter.io/developer/598691474) | [Aleksandr Bychkovskiy](https://appshunter.io/developer/1487846978) |

## What reviewers say

### herz TS

[App page](https://appshunter.io/ios/app/herz-ts/id598691471)

This tool assists with heating system calculations and radiator valve selection. It offers a preset calculator and a dedicated radiator valve selection tool, sharing a common database and calculation engine.

**Highlights:** Preset calculator, Radiator valve selection tool, Shared calculation engine, Shared database

**Features:** macOS Compatibility

**In-app purchases:** none


### Proxytherm

[App page](https://appshunter.io/ios/app/proxytherm/id6744809636)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is herz TS free?

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

### Is Proxytherm free?

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

### Do herz TS or Proxytherm have ads?

Neither herz TS nor Proxytherm shows ads.

### Which is updated more often, herz TS or Proxytherm?

herz TS ships an update every 4 months, and Proxytherm every 7 months. Most recently, herz TS was updated on October 9, 2026 and Proxytherm on October 5, 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.*