Comparison

IDFA vs IDFA Viewer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

IDFA

Features
Read full description

Unlock the power of your device's IDFA (Identifier for Advertisers) with IDFA Finder, the essential tool for developers, marketers, and privacy-conscious users alike. What is IDFA? IDFA is a unique identifier assigned to your Apple device, used for personalized ad tracking. With IDFA Finder, you can view and share your device's IDFA securely. Key Features: Retrieve your IDFA in just a few taps. Generate a QR code to share your IDFA effortlessly. View your public and private IP addresses. Monitor your App Tracking Transparency (ATT) consent status. Copy your IDFA to the clipboard or share it directly with others. Privacy First: IDFA Finder respects your privacy. The app only retrieves and displays your IDFA when you explicitly grant permission via Apple's App Tracking Transparency framework. Developer and Marketer Friendly: Whether you’re testing ad campaigns or analyzing device-specific behavior, IDFA Finder is a must-have tool for anyone working in the digital space. Seamless Experience: Designed with simplicity and performance in mind, IDFA Finder works flawlessly across all iOS devices. Download IDFA Finder today and take control of your device’s ad-tracking capabilities!

About

IDFA Viewer

Features
Read full description

IDFA Viewer is the simplest way to find and copy your device’s Identifier for Advertisers (IDFA). Whether you’re a developer, marketer, or just curious about your device’s data, this app gives you fast and reliable access to your IDFA. Key Features: • Instantly view your iPhone’s IDFA • Copy the IDFA with a single tap • Clean and minimal design, no distractions Why IDFA Viewer? Apple’s Identifier for Advertisers (IDFA) is a unique identifier used in apps for analytics and advertising. Finding it manually can be confusing — IDFA Viewer makes it quick and effortless. Perfect for developers testing ad frameworks, marketers validating campaigns, or users who want transparency about their own device identifiers.

Screenshots

IDFA4 screens
IDFA Viewer3 screens

Verdict

The call

The clearest difference is ads: IDFA Viewer at none against IDFA's shown. IDFA's advantage is update cadence (every 4 months vs every 10 months) and iOS requirement (15.6 vs 18.0). On price, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

IDFA ships an update every 4 months, IDFA Viewer every 10 months. Both last shipped on November 8, 2026.

Scorecard3 real differences · 3 level
IDFA versus IDFA Viewer: the parameters behind the verdict, then further details
ParameterIDFAIDFA Viewer
PriceFreeFree
Update frequencyEvery 4 months — betterEvery 10 months
AdsYesNo — better
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better18.0
Further details — not scored
Size22 MB5 MB
Age rating4+4+
DeveloperCloudbud TechJesus Alfredo Hernandez Alarcon

In-app purchases

None

IDFA

No in-app purchases

None

IDFA Viewer

No in-app purchases

Questions

Is IDFA free?
IDFA 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 or IDFA Viewer have ads?
IDFA shows ads; IDFA Viewer does not.
Which is updated more often, IDFA or IDFA Viewer?
IDFA ships an update every 4 months, and IDFA Viewer every 10 months. Most recently, IDFA was updated on November 8, 2026 and IDFA Viewer on November 8, 2026.

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