# Cleantech Forums vs ClimaTech

The clearest difference is update cadence: Cleantech Forums at every 2 weeks against ClimaTech's monthly. 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.

Cleantech Forums ships an update every 2 weeks, ClimaTech monthly. The most recent releases landed on September 13, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Cleantech Forums | ClimaTech |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Size | 72 MB | 58 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [CTG:I LLC](https://appshunter.io/developer/1771675672) | [Emerald Expositions, Inc](https://appshunter.io/developer/442927577) |

## What reviewers say

### Cleantech Forums

[App page](https://appshunter.io/ios/app/cleantech-forums/id6736369386)

**Features:** macOS Compatibility

**In-app purchases:** none


### ClimaTech

[App page](https://appshunter.io/ios/app/climatech/id6744937230)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cleantech Forums free?

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

### Is ClimaTech free?

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

### Do Cleantech Forums or ClimaTech have ads?

Neither Cleantech Forums nor ClimaTech shows ads.

### Which is updated more often, Cleantech Forums or ClimaTech?

Cleantech Forums ships an update every 2 weeks, and ClimaTech monthly. Most recently, Cleantech Forums was updated on September 13, 2026 and ClimaTech on September 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.*