# oIDFA vs HAP Studio

The clearest difference is ads: HAP Studio at none against oIDFA's shown. HAP Studio also leads on update cadence (weekly vs monthly). oIDFA's advantage is monetization model (ad-supported vs free with in-app purchases) and iOS requirement (15.1 vs 26.0). On price, 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.

oIDFA ships an update monthly, HAP Studio weekly. The most recent releases landed on September 23, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | oIDFA | HAP Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hap-studio/id6777100398/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Weekly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 23 MB | 22 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shion Washida](https://appshunter.io/developer/1584096952) | [YUI ATARASHI](https://appshunter.io/developer/1896682176) |

## What reviewers say

### oIDFA

[App page](https://appshunter.io/ios/app/oidfa-simple-idfa-copier/id6759527224)

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.

**Highlights:** Instant IDFA display, One-tap copy to clipboard, Tracking status verification, Minimalist UI, Automatic IDFA fetching

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

**In-app purchases:** none


### HAP Studio

[App page](https://appshunter.io/ios/app/hap-studio/id6777100398)

Design and learn about haptics with an intuitive visual editor or AI. Generate custom haptic feedback for apps and export in various formats. Access a library of pre-made haptics and educational content.

**Highlights:** Visual haptic editor, AI-generated haptics, Lottie JSON import, Real-time preview, Swift, AHAP, JSON export, Haptic library, Educational content

**In-app purchases:** none


## Frequently asked questions

### Is oIDFA free?

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

### Is HAP Studio free?

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

### Do oIDFA or HAP Studio have ads?

oIDFA shows ads; HAP Studio does not.

### Which is updated more often, oIDFA or HAP Studio?

oIDFA ships an update monthly, and HAP Studio weekly. Most recently, oIDFA was updated on September 23, 2026 and HAP Studio on October 8, 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.*