# My Device ID by AppsFlyer vs DeviceId2

The clearest difference is rating: DeviceId2 at 5.0 against My Device ID by AppsFlyer's 3.8. DeviceId2 also leads on update cadence (every 3 days vs every 10 days). My Device ID by AppsFlyer's advantage is ratings volume (41 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

DeviceId2 holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: My Device ID by AppsFlyer has 41 ratings behind it against 1, so its average is the more settled of the two.

My Device ID by AppsFlyer ships an update every 10 days, DeviceId2 every 3 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | My Device ID by AppsFlyer | DeviceId2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (41 ratings)](https://appshunter.io/ios/app/my-device-id-by-appsflyer/id1192323960/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/deviceid2/id6751767400/reviews)** |
| Number of ratings | **41** | 1 |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 3 days** |
| Monetization | Free | Free |
| Size | 10 MB | 25 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AppsFlyer](https://appshunter.io/developer/1192323959) | [康康 王](https://appshunter.io/developer/1797894325) |

## What reviewers say

### My Device ID by AppsFlyer

[App page](https://appshunter.io/ios/app/my-device-id-by-appsflyer/id1192323960)

Easily view and share your device identifiers, including IDFA and IDFV. This tool allows you to quickly whitelist your device as a test device within your AppsFlyer account, crucial for SDK integration testing.

**Highlights:** View Device ID (IDFA, IDFV), Share Device ID, Whitelist test device for AppsFlyer, Directly add device to AppsFlyer account, Facilitates SDK integration testing

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

**In-app purchases:** none


### DeviceId2

[App page](https://appshunter.io/ios/app/deviceid2/id6751767400)

This utility app provides users with their device's unique identifier. It emphasizes privacy and an ad-free experience for all users. Access your device ID easily and securely.

**Highlights:** Get device ID, Private access, No advertisements, Simple interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is My Device ID by AppsFlyer free?

My Device ID by AppsFlyer is free to download, with no in-app purchases.

### Is DeviceId2 free?

DeviceId2 is free to download, with no in-app purchases.

### Which has better reviews, My Device ID by AppsFlyer or DeviceId2?

DeviceId2 is rated higher. My Device ID by AppsFlyer averages 3.8 out of 5 from 41 ratings, while DeviceId2 averages 5.0 from 1 ratings.

### Do My Device ID by AppsFlyer or DeviceId2 have ads?

Neither My Device ID by AppsFlyer nor DeviceId2 shows ads.

### Which is updated more often, My Device ID by AppsFlyer or DeviceId2?

My Device ID by AppsFlyer ships an update every 10 days, and DeviceId2 every 3 days. Most recently, My Device ID by AppsFlyer was updated on October 24, 2026 and DeviceId2 on October 24, 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.*