# IDFA確認 vs checkIDFA

The clearest difference is ads: checkIDFA at none against IDFA確認's shown. checkIDFA also leads on update cadence (every 2 days vs fortnightly). IDFA確認's advantage is iOS requirement (15.0 vs 26.0). On price, 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.

IDFA確認 ships an update fortnightly, checkIDFA every 2 days. Both last shipped on October 7, 2026.

## The numbers

| Metric | IDFA確認 | checkIDFA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 2 days** |
| Size | 22 MB | 6 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Hiroyuki Kajiki](https://appshunter.io/developer/1740302633) | [tomonori imaizumi](https://appshunter.io/developer/1888330693) |

## 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


### checkIDFA

[App page](https://appshunter.io/ios/app/checkidfa/id6762537394)

**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 checkIDFA free?

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

### Do IDFA確認 or checkIDFA have ads?

IDFA確認 shows ads; checkIDFA does not.

### Which is updated more often, IDFA確認 or checkIDFA?

IDFA確認 ships an update fortnightly, and checkIDFA every 2 days. Most recently, IDFA確認 was updated on October 7, 2026 and checkIDFA on October 7, 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.*