# IDFA ATT vs IDFA Viewer

The clearest difference is ads: IDFA Viewer at none against IDFA ATT's shown. IDFA ATT's advantage is iOS requirement (14.0 vs 18.0). On price, update cadence, 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 ATT ships an update every 5 months, IDFA Viewer every 10 months. Both last shipped on September 14, 2026.

## The numbers

| Metric | IDFA ATT | IDFA Viewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 5 months** | Every 10 months |
| Monetization | Ad-supported | — |
| Size | 4 MB | 5 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mehmet Bayram](https://appshunter.io/developer/1541281376) | [Jesus Alfredo Hernandez Alarcon](https://appshunter.io/developer/1575157355) |

## What reviewers say

### IDFA ATT

[App page](https://appshunter.io/ios/app/idfa-att/id6451246283)

Easily access your iOS device's IDFA and IP addresses. Stay informed about App Tracking Transparency (ATT) and generate custom QR codes for your device IDFA. Quickly check your ATT consent status and navigate to tracking settings.

**Highlights:** Access iOS Device IDFA and IP addresses, View public and private IP addresses, Understand App Tracking Transparency (ATT), Generate and export custom QR codes for IDFA, Check ATT consent status, Add device to AdMob Test Devices, Learn AdMob app-ads.txt configuration

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

**In-app purchases:** none


### IDFA Viewer

[App page](https://appshunter.io/ios/app/idfa-viewer/id6751819289)

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

**In-app purchases:** none


## Frequently asked questions

### Is IDFA ATT free?

IDFA ATT 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 IDFA ATT or IDFA Viewer have ads?

IDFA ATT shows ads; IDFA Viewer does not.

### Which is updated more often, IDFA ATT or IDFA Viewer?

IDFA ATT ships an update every 5 months, and IDFA Viewer every 10 months. Most recently, IDFA ATT was updated on September 14, 2026 and IDFA Viewer on September 14, 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.*