# KOEL iGreen vs Tucker Station CMS

The clearest difference is iOS requirement: Tucker Station CMS at 12.0 against KOEL iGreen's 18.0. 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.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 11, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | KOEL iGreen | Tucker Station CMS |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free | — |
| Size | 24 MB | 49 MB |
| Requires iOS | 18.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Tor.ai Limited](https://appshunter.io/developer/1288507527) | [Mohanraj Ponraj](https://appshunter.io/developer/1738740398) |

## What reviewers say

### KOEL iGreen

[App page](https://appshunter.io/ios/app/koel-igreen/id1481347446)

Monitor machine health, receive critical alarms, and manage preventive maintenance schedules. This app works with a 'Plug and Play' device that connects directly to your machine's harness for real-time data.

**Highlights:** Machine health performance monitoring, Machine alarms and trips alerts, Preventive maintenance scheduling, Plug and Play device integration, Real-time data monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


### Tucker Station CMS

[App page](https://appshunter.io/ios/app/tucker-station-cms/id6743699443)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KOEL iGreen free?

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

### Is Tucker Station CMS free?

Tucker Station CMS is free to download, with no in-app purchases.

### Do KOEL iGreen or Tucker Station CMS have ads?

Neither KOEL iGreen nor Tucker Station CMS shows ads.

### Which is updated more often, KOEL iGreen or Tucker Station CMS?

KOEL iGreen ships an update monthly, and Tucker Station CMS monthly. Most recently, KOEL iGreen was updated on October 11, 2026 and Tucker Station CMS on October 9, 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.*