# Cities Climate Action Summit vs ClimaTech

The clearest difference is update cadence: ClimaTech at monthly against Cities Climate Action Summit's every 7 months. Cities Climate Action Summit's advantage is iOS requirement (15.5 vs 17.0). 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.

Cities Climate Action Summit ships an update every 7 months, ClimaTech monthly. The most recent releases landed on October 10, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Cities Climate Action Summit | ClimaTech |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Monthly** |
| Size | 52 MB | 58 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [gther](https://appshunter.io/developer/1668079599) | [Emerald Expositions, Inc](https://appshunter.io/developer/442927577) |

## What reviewers say

### Cities Climate Action Summit

[App page](https://appshunter.io/ios/app/cities-climate-action-summit/id6498714120)

**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 Cities Climate Action Summit free?

Cities Climate Action Summit is free to download, with no in-app purchases.

### Is ClimaTech free?

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

### Do Cities Climate Action Summit or ClimaTech have ads?

Neither Cities Climate Action Summit nor ClimaTech shows ads.

### Which is updated more often, Cities Climate Action Summit or ClimaTech?

Cities Climate Action Summit ships an update every 7 months, and ClimaTech monthly. Most recently, Cities Climate Action Summit was updated on October 10, 2026 and ClimaTech on September 26, 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.*