# SupplyMaster vs ProWarm

The clearest difference is rating: ProWarm at 5.0 against SupplyMaster's 3.0. ProWarm also leads on review sentiment (22% vs 11%). SupplyMaster's advantage is update cadence (every 5 weeks vs every 10 months) and iOS requirement (11.0 vs 13.0). On price, ratings volume, 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.

ProWarm holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 11% of SupplyMaster's written reviews are positive against 22% of ProWarm's.

SupplyMaster ships an update every 5 weeks, ProWarm every 10 months. Both last shipped on June 9, 2026.

## The numbers

| Metric | SupplyMaster | ProWarm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/supplymaster/id1204680294/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/prowarm/id1445396744/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 11.4% of reviews | **21.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 10 months |
| Monetization | Free | Free |
| Size | 18 MB | 191 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [TIMEGUARD LTD](https://appshunter.io/developer/1204680293) | [ProWarm](https://appshunter.io/developer/889884452) |

## 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


### ProWarm

[App page](https://appshunter.io/ios/app/prowarm/id1445396744)

Control your underfloor heating system remotely with this app. It offers effortless and intelligent management for convenience and efficiency, putting full heating control at your fingertips anytime, anywhere.

**Highlights:** Effortless control, Intelligent heating management, Remote access, Anytime, anywhere control, Modern living integration

**In-app purchases:** none


## Frequently asked questions

### Is SupplyMaster free?

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

### Is ProWarm free?

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

### Which has better reviews, SupplyMaster or ProWarm?

ProWarm is rated higher. SupplyMaster averages 3.0 out of 5 from 2 ratings, while ProWarm averages 5.0 from 1 ratings.

### Do SupplyMaster or ProWarm have ads?

Neither SupplyMaster nor ProWarm shows ads.

### Which is updated more often, SupplyMaster or ProWarm?

SupplyMaster ships an update every 5 weeks, and ProWarm every 10 months. Most recently, SupplyMaster was updated on June 9, 2026 and ProWarm on June 9, 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.*