# Environment Control vs Kootenai

The clearest difference is device support: Environment Control at 3 against Kootenai's 1. 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.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 10, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Environment Control | Kootenai |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 53 MB | 131 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Environment Control Building Maintenance Co, Inc](https://appshunter.io/developer/1500915589) | [The Kootenai Bridge Academy Incorporated](https://appshunter.io/developer/1637449658) |

## What reviewers say

### Environment Control

[App page](https://appshunter.io/ios/app/environment-control/id1573983433)

**In-app purchases:** none


### Kootenai

[App page](https://appshunter.io/ios/app/kootenai/id1637449656)

**In-app purchases:** none


## Frequently asked questions

### Is Environment Control free?

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

### Is Kootenai free?

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

### Do Environment Control or Kootenai have ads?

Neither Environment Control nor Kootenai shows ads.

### Which is updated more often, Environment Control or Kootenai?

Environment Control ships an update every 2 months, and Kootenai every 2 months. Most recently, Environment Control was updated on September 10, 2026 and Kootenai 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.*