# Kelvin Thermostat vs EO2GO Environmental

The clearest difference is update cadence: EO2GO Environmental at every 11 days against Kelvin Thermostat's every 13 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Kelvin Thermostat ships an update every 13 months, EO2GO Environmental every 11 days. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Kelvin Thermostat | EO2GO Environmental |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 11 days** |
| Size | 40 MB | 6 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kelvin AB](https://appshunter.io/developer/1571297380) | [Hydramo B.V.](https://appshunter.io/developer/1896682111) |

## What reviewers say

### Kelvin Thermostat

[App page](https://appshunter.io/ios/app/kelvin-thermostat/id1571297378)

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

**In-app purchases:** none


### EO2GO Environmental

[App page](https://appshunter.io/ios/app/eo2go-environmental/id6769722087)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Kelvin Thermostat free?

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

### Is EO2GO Environmental free?

EO2GO Environmental is free to download, with no in-app purchases.

### Do Kelvin Thermostat or EO2GO Environmental have ads?

Neither Kelvin Thermostat nor EO2GO Environmental shows ads.

### Which is updated more often, Kelvin Thermostat or EO2GO Environmental?

Kelvin Thermostat ships an update every 13 months, and EO2GO Environmental every 11 days. Most recently, Kelvin Thermostat was updated on November 7, 2026 and EO2GO Environmental on November 5, 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.*