# IDFA Checker byNSDev vs HTML Opener

The clearest difference is iOS requirement: IDFA Checker byNSDev at 15.6 against HTML Opener's 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.

## The numbers

| Metric | IDFA Checker byNSDev | HTML Opener |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | — | Every 4 days |
| Monetization | Ad-supported | — |
| Size | 3 MB | 11 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [NIHON SYSTEM DEVELOPER CORPORATION](https://appshunter.io/developer/1198103734) | [GASHIMA LAB](https://appshunter.io/developer/1857125368) |

## What reviewers say

### IDFA Checker byNSDev

[App page](https://appshunter.io/ios/app/idfa-checker-bynsdev/id6740688373)

Easily view and copy your device's Identifier for Advertisers (IDFA). This tool is useful for developers registering test devices for advertising platforms like AdMob.

**Highlights:** View IDFA, Copy IDFA to clipboard, Share IDFA, Test device registration aid, AdMob integration support

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

**In-app purchases:** none


### HTML Opener

[App page](https://appshunter.io/ios/app/html-opener/id6808631721)

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

**In-app purchases:** none


## Frequently asked questions

### Is IDFA Checker byNSDev free?

IDFA Checker byNSDev is free to download, with no in-app purchases.

### Is HTML Opener free?

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

### Do IDFA Checker byNSDev or HTML Opener have ads?

Both IDFA Checker byNSDev and HTML Opener show 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.*