# MasterTherm AR vs Envision Utility

The clearest difference is iOS requirement: MasterTherm AR at 12.0 against Envision Utility's 15.0. 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.

MasterTherm AR ships an update every 2 weeks, Envision Utility every 10 days. The most recent releases landed on October 12, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | MasterTherm AR | Envision Utility |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Size | 30 MB | 26 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AR Visual s.r.o.](https://appshunter.io/developer/1402060998) | [Solenergy Systems Inc.](https://appshunter.io/developer/1464820230) |

## What reviewers say

### MasterTherm AR

[App page](https://appshunter.io/ios/app/mastertherm-ar/id1462163359)

**Features:** macOS Compatibility

**In-app purchases:** none


### Envision Utility

[App page](https://appshunter.io/ios/app/envision-utility/id6446386637)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MasterTherm AR free?

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

### Is Envision Utility free?

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

### Do MasterTherm AR or Envision Utility have ads?

Neither MasterTherm AR nor Envision Utility shows ads.

### Which is updated more often, MasterTherm AR or Envision Utility?

MasterTherm AR ships an update every 2 weeks, and Envision Utility every 10 days. Most recently, MasterTherm AR was updated on October 12, 2026 and Envision Utility on September 27, 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.*