# Sound function check vs Digger DNS lookup

The clearest difference is ads: Digger DNS lookup at none against Sound function check's shown. Digger DNS lookup also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.6). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Sound function check | Digger DNS lookup |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Size | 8 MB | 28 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yasushi Tauchi](https://appshunter.io/developer/1819284921) | [Cheng Yao](https://appshunter.io/developer/930892408) |

## What reviewers say

### Sound function check

[App page](https://appshunter.io/ios/app/sound-function-check/id6774851912)

**In-app purchases:** none


### Digger DNS lookup

[App page](https://appshunter.io/ios/app/digger-dns-lookup/id6802360025)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sound function check free?

Sound function check is free to download, with no in-app purchases.

### Is Digger DNS lookup free?

Digger DNS lookup is free to download, with no in-app purchases.

### Do Sound function check or Digger DNS lookup have ads?

Sound function check shows ads; Digger DNS lookup does not.

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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.*