# Dev Detect vs ContactFree

The clearest difference is in-app purchases: ContactFree at none against Dev Detect's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Dev Detect sells 2 in-app purchases, starting at $4.99 per 7 days. ContactFree asks for nothing beyond the download.

## The numbers

| Metric | Dev Detect | ContactFree |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Daily |
| Size | 4 MB | 4 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [芬 吴](https://appshunter.io/developer/1719522154) | [Branko Borota](https://appshunter.io/developer/1228658475) |

## What reviewers say

### Dev Detect

[App page](https://appshunter.io/ios/app/dev-detect-cpu-master/id6758431919)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Power | $4.99 | per 7 days |
| Yearly Power | $39.99 | per year |


### ContactFree

[App page](https://appshunter.io/ios/app/contactfree-clean-contacts/id6761646627)

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

**In-app purchases:** none


## Frequently asked questions

### Is Dev Detect free?

Dev Detect is free to download, with in-app purchases available.

### Is ContactFree free?

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

### Do Dev Detect or ContactFree have ads?

Neither Dev Detect nor ContactFree shows ads.

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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.*