Device ID Check Tool vs oIDFA
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Device ID Check Tool
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A lightweight tool for easily checking and sharing your Identifier for Advertisers (IDFA). Perfect for mobile marketers and app developers, IDFA Checker lets you copy your device's identifier with a single tap. Monitor your tracking status simultaneously to help debug and analyze marketing campaigns. Designed with privacy in mind, all data is processed locally on your device without external transmission. This essential tool supports iOS 14+ advertising identifier management requirements for today's privacy-conscious mobile ecosystem.
oIDFA
This utility app quickly displays and copies your device's Identifier for Advertisers (IDFA). It also allows you to check your device's tracking status, showing the IDFA as all zeros if tracking is restricted.
- Instant IDFA display
- One-tap copy to clipboard
- Tracking status verification
- Minimalist UI
- Automatic IDFA fetching
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oIDFA — Simple IDFA Viewer & Copier oIDFA is a minimalist utility designed for developers and marketers to effortlessly check and copy their device’s Identifier for Advertisers (IDFA). [Key Features] Instant IDFA Display: Automatically fetch and display your current IDFA the moment you open the app. One-Tap Copy: Copy the displayed IDFA to your clipboard with a single button press. Tracking Status Verification: Easily check if App Tracking is permitted on your device. (Note: IDFA will appear as all zeros if tracking is restricted.) [Ideal For] App Developers & Marketers: Streamline your workflow during development and testing. Ad Tech Testing: Perfect for verifying mobile ad delivery and SDK implementations. Quick Identification: For anyone who needs to know their device’s IDFA fast and smart. Designed with an ultra-minimalist UI to eliminate friction and boost your productivity.
Screenshots
Verdict
The clearest difference is update cadence: Device ID Check Tool at weekly against oIDFA's monthly. oIDFA's advantage is iOS requirement (15.1 vs 18.2). On price, ads, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Device ID Check Tool ships an update weekly, oIDFA monthly. The most recent releases landed on October 16, 2026 and October 9, 2026 respectively.
| Parameter | Device ID Check Tool | oIDFA |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly — better | Monthly |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.2 | 15.1 — better |
| Further details — not scored | ||
| Size | 4 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Mizuki Hoshida | Shion Washida |
In-app purchases
Device ID Check Tool
No in-app purchases
oIDFA
No in-app purchases
Questions
Is Device ID Check Tool free?
Is oIDFA free?
Do Device ID Check Tool or oIDFA have ads?
Which is updated more often, Device ID Check Tool or oIDFA?
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