# Heatmiser vs Commtel Config

The clearest difference is review sentiment: Commtel Config at 50% against Heatmiser's 40%. Heatmiser's advantage is device support (3 vs 1) and iOS requirement (8.0 vs 16.6). 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.

Heatmiser ships an update every 3 weeks, Commtel Config monthly. The most recent releases landed on October 16, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Heatmiser | Commtel Config |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/heatmiser/id461728950/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 39.6% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free | Free |
| Size | 7 MB | 151 MB |
| Requires iOS | **8.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Heatmiser UK](https://appshunter.io/developer/461728954) | [Commtel Ltd](https://appshunter.io/developer/727709984) |

## What reviewers say

### Heatmiser

[App page](https://appshunter.io/ios/app/heatmiser/id461728950)

Control your home heating system remotely from your smartphone. Adjust temperatures, manage hot water, and set schedules for multiple zones. Optimize energy usage and ensure comfort whether you're at home or away.

**Highlights:** Remote heating control, Multi-zone support, Hot water boost, Temperature hold, Energy saving schedules, Home/Away modes, Holiday mode

**In-app purchases:** none


### Commtel Config

[App page](https://appshunter.io/ios/app/commtel-config/id1562639613)

Easily configure your Commtel system by filling in on-screen fields and sending SMS commands. The app remembers your system details and previous commands, simplifying modifications and eliminating the need to memorize complex SMS formats.

**Highlights:** Compose and send SMS commands, No need to memorize SMS commands, Remembers system details and previous commands, Store multiple named Commtel systems, Supports multiple telephone numbers and login codes

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

**In-app purchases:** none


## Frequently asked questions

### Is Heatmiser free?

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

### Is Commtel Config free?

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

### Do Heatmiser or Commtel Config have ads?

Neither Heatmiser nor Commtel Config shows ads.

### Which is updated more often, Heatmiser or Commtel Config?

Heatmiser ships an update every 3 weeks, and Commtel Config monthly. Most recently, Heatmiser was updated on October 16, 2026 and Commtel Config on October 4, 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.*