# GoHDLM vs SWATT®

The clearest difference is update cadence: SWATT® at every 6 weeks against GoHDLM's every 7 months. GoHDLM's advantage is iOS requirement (9.0 vs 15.6). 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.

GoHDLM ships an update every 7 months, SWATT® every 6 weeks. The most recent releases landed on October 26, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | GoHDLM | SWATT® |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 31.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 5 MB | 52 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [intona](https://appshunter.io/developer/963212136) | [OJ ELECTRONICS AS](https://appshunter.io/developer/1326069502) |

## What reviewers say

### GoHDLM

[App page](https://appshunter.io/ios/app/gohdlm/id582239525)

**Features:** macOS Compatibility

**In-app purchases:** none


### SWATT®

[App page](https://appshunter.io/ios/app/swatt/id1334128169)

Remotely control your home heating system from any location with this intuitive app. View and set temperatures, adjust heating schedules, activate vacation mode, and monitor energy consumption for maximum savings and comfort.

**Highlights:** Remote temperature control, View and set heating schedules, Vacation mode scheduling, Energy consumption monitoring, Access multiple thermostats, Control thermostats individually or in groups

**In-app purchases:** none


## Frequently asked questions

### Is GoHDLM free?

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

### Is SWATT® free?

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

### Do GoHDLM or SWATT® have ads?

Neither GoHDLM nor SWATT® shows ads.

### Which is updated more often, GoHDLM or SWATT®?

GoHDLM ships an update every 7 months, and SWATT® every 6 weeks. Most recently, GoHDLM was updated on October 26, 2026 and SWATT® on October 16, 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.*