# My Device ID by AppsFlyer vs SecondLoop

The clearest difference is update cadence: My Device ID by AppsFlyer at every 10 days against SecondLoop's every 3 weeks. My Device ID by AppsFlyer also leads on device support (3 vs 1) and iOS requirement (13.0 vs 26.2). On price, ads and in-app purchases 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 ID by AppsFlyer ships an update every 10 days, SecondLoop every 3 weeks. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | My Device ID by AppsFlyer | SecondLoop |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (41 ratings)](https://appshunter.io/ios/app/my-device-id-by-appsflyer/id1192323960/reviews)** | — |
| Number of ratings | **41** | — |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | Free | — |
| Size | 11 MB | 11 MB |
| Requires iOS | **13.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [AppsFlyer](https://appshunter.io/developer/1192323959) | [Tetsuya Takaoka](https://appshunter.io/developer/357418783) |

## 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


### SecondLoop

[App page](https://appshunter.io/ios/app/secondloop/id6758907063)

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

**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 SecondLoop free?

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

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

Neither My Device ID by AppsFlyer nor SecondLoop shows ads.

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

My Device ID by AppsFlyer ships an update every 10 days, and SecondLoop every 3 weeks. Most recently, My Device ID by AppsFlyer was updated on October 8, 2026 and SecondLoop on October 1, 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.*