# IDFA Viewer vs Ads Tracker App

The clearest difference is in-app purchases: IDFA Viewer at none against Ads Tracker App's 1. Ads Tracker App's advantage is update cadence (every 4 days vs every 10 months) and iOS requirement (13.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Ads Tracker App sells 1 one-off in-app purchase. IDFA Viewer asks for nothing beyond the download.

IDFA Viewer ships an update every 10 months, Ads Tracker App every 4 days. The most recent releases landed on October 2, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | IDFA Viewer | Ads Tracker App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 4 days** |
| Size | 5 MB | 35 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jesus Alfredo Hernandez Alarcon](https://appshunter.io/developer/1575157355) | [Nestor alexander Paucar Carhuatanta](https://appshunter.io/developer/1807668959) |

## What reviewers say

### IDFA Viewer

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

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

**In-app purchases:** none


### Ads Tracker App

[App page](https://appshunter.io/ios/app/ads-tracker-app/id6761695812)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ads Tracker Pro | $2.99 | one-time |


## Frequently asked questions

### Is IDFA Viewer free?

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

### Is Ads Tracker App free?

Ads Tracker App is free to download, with in-app purchases available.

### Do IDFA Viewer or Ads Tracker App have ads?

Neither IDFA Viewer nor Ads Tracker App shows ads.

### Which is updated more often, IDFA Viewer or Ads Tracker App?

IDFA Viewer ships an update every 10 months, and Ads Tracker App every 4 days. Most recently, IDFA Viewer was updated on October 2, 2026 and Ads Tracker App on September 15, 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.*