# Systemic Investing vs Impact Key

The clearest difference is update cadence: Impact Key at every 4 days against Systemic Investing's every 4 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.

Systemic Investing ships an update every 4 months, Impact Key every 4 days. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Systemic Investing | Impact Key |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 days** |
| Size | 77 MB | 32 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Initiative fur Systemisches Investieren](https://appshunter.io/developer/1720395110) | [Suzhou IMC Property Development Co., Ltd](https://appshunter.io/developer/1688990756) |

## What reviewers say

### Systemic Investing

[App page](https://appshunter.io/ios/app/systemic-investing/id6474034267)

**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 Systemic Investing free?

Systemic Investing 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 Systemic Investing or Impact Key have ads?

Neither Systemic Investing nor Impact Key shows ads.

### Which is updated more often, Systemic Investing or Impact Key?

Systemic Investing ships an update every 4 months, and Impact Key every 4 days. Most recently, Systemic Investing was updated on October 24, 2026 and Impact Key on October 28, 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.*