# Impact Key vs Dobby Upload

The clearest difference is update cadence: Impact Key at every 4 days against Dobby Upload's every 3 weeks. Impact Key also leads on iOS requirement (13.0 vs 16.4). 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 Key ships an update every 4 days, Dobby Upload every 3 weeks. The most recent releases landed on October 8, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Impact Key | Dobby Upload |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Size | 32 MB | 54 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Suzhou IMC Property Development Co., Ltd](https://appshunter.io/developer/1688990756) | [Delvify](https://appshunter.io/developer/6806733480) |

## What reviewers say

### Impact Key

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

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

**In-app purchases:** none


### Dobby Upload

[App page](https://appshunter.io/ios/app/dobby-upload/id6806733478)

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

**In-app purchases:** none


## Frequently asked questions

### Is Impact Key free?

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

### Is Dobby Upload free?

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

### Do Impact Key or Dobby Upload have ads?

Neither Impact Key nor Dobby Upload shows ads.

### Which is updated more often, Impact Key or Dobby Upload?

Impact Key ships an update every 4 days, and Dobby Upload every 3 weeks. Most recently, Impact Key was updated on October 8, 2026 and Dobby Upload on October 15, 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.*