# Impact Forum vs Impact Key

The clearest difference is update cadence: Impact Key at every 4 days against Impact Forum's every 2 months. Impact Key also leads on iOS requirement (13.0 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.

Impact Forum ships an update every 2 months, Impact Key every 4 days. Both last shipped on October 8, 2026.

## The numbers

| Metric | Impact Forum | Impact Key |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Size | 75 MB | 32 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Global Impact Investing Network, Inc.](https://appshunter.io/developer/1479898113) | [Suzhou IMC Property Development Co., Ltd](https://appshunter.io/developer/1688990756) |

## What reviewers say

### Impact Forum

[App page](https://appshunter.io/ios/app/impact-forum/id6501969023)

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

**In-app purchases:** none


### Impact Key

[App page](https://appshunter.io/ios/app/impact-key/id6745059128)

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

**In-app purchases:** none


## Frequently asked questions

### Is Impact Forum free?

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

### Is Impact Key free?

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

### Do Impact Forum or Impact Key have ads?

Neither Impact Forum nor Impact Key shows ads.

### Which is updated more often, Impact Forum or Impact Key?

Impact Forum ships an update every 2 months, and Impact Key every 4 days. Most recently, Impact Forum was updated on October 8, 2026 and Impact Key on October 8, 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.*