# LEMAX Smart boiler vs ProfiStout

The clearest difference is review sentiment: ProfiStout at 100% against LEMAX Smart boiler's 0%. ProfiStout also leads on rating (5.0 vs 1.0). LEMAX Smart boiler's advantage is iOS requirement (12.0 vs 15.1). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ProfiStout holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 0% of LEMAX Smart boiler's written reviews are positive against 100% of ProfiStout's.

LEMAX Smart boiler ships an update every 3 months, ProfiStout every 4 months. The most recent releases landed on September 26, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | LEMAX Smart boiler | ProfiStout |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/lemax-smart-boiler/id1581346649/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/profistout/id1628515827/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free | Free |
| Size | 60 MB | 67 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Fedir Magasumov](https://appshunter.io/developer/1571117854) | [Sergey Homyanin](https://appshunter.io/developer/1483828778) |

## What reviewers say

### LEMAX Smart boiler

[App page](https://appshunter.io/ios/app/lemax-smart-boiler/id1581346649)

Control your heating and hot water remotely. Adjust room and heating temperatures, set weekly schedules, and manage water heating functions. Optimize your home's climate for comfort and efficiency.

**Highlights:** Adjust heating temperature, Set room air temperature, Weekly temperature scheduling, Control water heating, Prioritize consumer function, Regulate heating and water power

**Features:** macOS Compatibility

**In-app purchases:** none


### ProfiStout

[App page](https://appshunter.io/ios/app/profistout/id1628515827)

This app provides installers with complete product information and stock availability for a specific brand. Users can connect with product experts, stay updated on brand news and promotions, and participate in training events.

**Highlights:** Complete product information, Stock availability data, Direct expert support, Brand news and promotions, Access to training events

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

**In-app purchases:** none


## Frequently asked questions

### Is LEMAX Smart boiler free?

LEMAX Smart boiler is free to download, with no in-app purchases.

### Is ProfiStout free?

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

### Which has better reviews, LEMAX Smart boiler or ProfiStout?

ProfiStout is rated higher. LEMAX Smart boiler averages 1.0 out of 5 from 2 ratings, while ProfiStout averages 5.0 from 1 ratings.

### Do LEMAX Smart boiler or ProfiStout have ads?

Neither LEMAX Smart boiler nor ProfiStout shows ads.

### Which is updated more often, LEMAX Smart boiler or ProfiStout?

LEMAX Smart boiler ships an update every 3 months, and ProfiStout every 4 months. Most recently, LEMAX Smart boiler was updated on September 26, 2026 and ProfiStout on October 1, 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.*