# My Device Identifiers vs IDFA Viewer

The clearest difference is ads: IDFA Viewer at none against My Device Identifiers's shown. My Device Identifiers's advantage is update cadence (monthly vs every 9 months) and iOS requirement (13.0 vs 15.6). 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.

My Device Identifiers ships an update monthly, IDFA Viewer every 9 months. The most recent releases landed on September 22, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | My Device Identifiers | IDFA Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (8 ratings)](https://appshunter.io/ios/app/my-device-identifiers/id1544172686/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 84.6% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 9 months |
| Monetization | Ad-supported | — |
| Size | 22 MB | 5 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kochava](https://appshunter.io/developer/1064196627) | [翠芬 梁](https://appshunter.io/developer/1792659056) |

## What reviewers say

### My Device Identifiers

[App page](https://appshunter.io/ios/app/my-device-identifiers/id1544172686)

This app allows users to view and copy device identifiers like IDFA and IDFV. It leverages ATT (AppTrackingTransparency) for this functionality. Useful for developers and those interested in app tracking.

**Highlights:** View IDFA, View IDFV, Copy device identifiers, Utilizes AppTrackingTransparency (ATT), Developer tool

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

**In-app purchases:** none


### IDFA Viewer

[App page](https://appshunter.io/ios/app/idfa-viewer-device-info-viewer/id6748586602)

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

**In-app purchases:** none


## Frequently asked questions

### Is My Device Identifiers free?

My Device Identifiers is free to download, with no in-app purchases.

### Is IDFA Viewer free?

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

### Do My Device Identifiers or IDFA Viewer have ads?

My Device Identifiers shows ads; IDFA Viewer does not.

### Which is updated more often, My Device Identifiers or IDFA Viewer?

My Device Identifiers ships an update monthly, and IDFA Viewer every 9 months. Most recently, My Device Identifiers was updated on September 22, 2026 and IDFA Viewer on September 25, 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.*