# RTR vs Hargassner

The clearest difference is review sentiment: RTR at 60% against Hargassner's 50%. Hargassner's advantage is iOS requirement (15.0 vs 17.0). 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.

RTR ships an update every 6 weeks, Hargassner every 2 months. The most recent releases landed on October 13, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | RTR | Hargassner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rtr-netztest/id724321403/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **60.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 15 MB | 58 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [RTR-GmbH](https://appshunter.io/developer/724321406) | [Hargassner Ges.m.b.H.](https://appshunter.io/developer/885812808) |

## What reviewers say

### RTR

[App page](https://appshunter.io/ios/app/rtr-netztest/id724321403)

Measure your internet connection's speed, ping, and signal strength. It also tests quality parameters like VoIP and web page loading. View results on a map and analyze historical data.

**Highlights:** Internet speed testing (upload, download, ping), Quality parameter testing (VoIP, web page), Signal strength measurement, Map view of test results, Historical data analysis, Automatic test repetition (loop mode)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Hargassner

[App page](https://appshunter.io/ios/app/hargassner/id1523536070)

Control your Hargassner heating system remotely with AI assistance. Monitor your system's status, adjust settings like heating circuits and water preparation, and receive instant notifications. Access more features via the web portal.

**Highlights:** Real-time heating system overview, Remote adjustment of heating circuits and times, Domestic hot water preparation settings, AI support assistant 'Hargy', Push notifications for system status, Solar system monitoring, Temperature trend graphs

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is RTR free?

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

### Is Hargassner free?

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

### Do RTR or Hargassner have ads?

Neither RTR nor Hargassner shows ads.

### Which is updated more often, RTR or Hargassner?

RTR ships an update every 6 weeks, and Hargassner every 2 months. Most recently, RTR was updated on October 13, 2026 and Hargassner on October 10, 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.*