# My Device Identifiers vs Gen UUID

The clearest difference is ads: Gen UUID at none against My Device Identifiers's shown. Gen UUID also leads on update cadence (every 3 days vs monthly). On price, in-app purchases, device support and iOS requirement 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, Gen UUID every 3 days. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | My Device Identifiers | Gen UUID |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (9 ratings)](https://appshunter.io/ios/app/my-device-identifiers/id1544172686/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 84.6% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Ad-supported | — |
| Size | 22 MB | 2 MB |
| Requires iOS | **13.0** | 14.1 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Kochava](https://appshunter.io/developer/1064196627) | [Kamaal Farah](https://appshunter.io/developer/1502158009) |

## 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


### Gen UUID

[App page](https://appshunter.io/ios/app/gen-uuid/id1579240951)

**Features:** 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 Gen UUID free?

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

### Do My Device Identifiers or Gen UUID have ads?

My Device Identifiers shows ads; Gen UUID does not.

### Which is updated more often, My Device Identifiers or Gen UUID?

My Device Identifiers ships an update monthly, and Gen UUID every 3 days. Most recently, My Device Identifiers was updated on November 7, 2026 and Gen UUID on November 3, 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.*