# Energo SMART vs RedRay Thermal

The clearest difference is iOS requirement: Energo SMART at 12.0 against RedRay Thermal'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.

Energo SMART ships an update every 10 months, RedRay Thermal every 11 months. The most recent releases landed on October 25, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Energo SMART | RedRay Thermal |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 months** | Every 11 months |
| Size | 30 MB | 73 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Yury Kovalev](https://appshunter.io/developer/1559421855) | [深圳市承恩热视科技有限公司](https://appshunter.io/developer/1700843354) |

## What reviewers say

### Energo SMART

[App page](https://appshunter.io/ios/app/energo-smart/id1559601464)

**In-app purchases:** none


### RedRay Thermal

[App page](https://appshunter.io/ios/app/redray-thermal/id6738339535)

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

**In-app purchases:** none


## Frequently asked questions

### Is Energo SMART free?

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

### Is RedRay Thermal free?

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

### Do Energo SMART or RedRay Thermal have ads?

Neither Energo SMART nor RedRay Thermal shows ads.

### Which is updated more often, Energo SMART or RedRay Thermal?

Energo SMART ships an update every 10 months, and RedRay Thermal every 11 months. Most recently, Energo SMART was updated on October 25, 2026 and RedRay Thermal on October 13, 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.*