# SupplyMaster vs Commtel Config

The clearest difference is review sentiment: Commtel Config at 50% against SupplyMaster's 11%. SupplyMaster's advantage is iOS requirement (11.0 vs 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.

SupplyMaster ships an update every 5 weeks, Commtel Config every 3 weeks. The most recent releases landed on June 9, 2026 and August 12, 2026 respectively.

## The numbers

| Metric | SupplyMaster | Commtel Config |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/supplymaster/id1204680294/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 11.4% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 18 MB | 173 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TIMEGUARD LTD](https://appshunter.io/developer/1204680293) | [Commtel Ltd](https://appshunter.io/developer/727709984) |

## What reviewers say

### SupplyMaster

[App page](https://appshunter.io/ios/app/supplymaster/id1204680294)

Control your immersion heater or lighting remotely via your phone or tablet. Save money by adjusting schedules from anywhere, ensuring you only use energy when needed. Offers multiple operating modes for flexible control.

**Highlights:** Remote programming, Energy saving, Auto, Permanent Off, Permanent On modes, Holiday mode, Advance and Boost functions

**Features:** macOS Compatibility

**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 SupplyMaster free?

SupplyMaster 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 SupplyMaster or Commtel Config have ads?

Neither SupplyMaster nor Commtel Config shows ads.

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

SupplyMaster ships an update every 5 weeks, and Commtel Config every 3 weeks. Most recently, SupplyMaster was updated on June 9, 2026 and Commtel Config on August 12, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*