# IDFA確認 vs IDFA Checker byNSDev

IDFA確認 and IDFA Checker byNSDev are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | IDFA確認 | IDFA Checker byNSDev |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | — |
| Monetization | — | Ad-supported |
| Size | 22 MB | 3 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hiroyuki Kajiki](https://appshunter.io/developer/1740302633) | [NIHON SYSTEM DEVELOPER CORPORATION](https://appshunter.io/developer/1198103734) |

## What reviewers say

### IDFA確認

[App page](https://appshunter.io/ios/app/idfa/id6502272945)

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is IDFA確認 free?

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

### Is IDFA Checker byNSDev free?

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

### Do IDFA確認 or IDFA Checker byNSDev have ads?

Both IDFA確認 and IDFA Checker byNSDev 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.*