# FocusZen vs IDFA & Device Info Viewer

The clearest difference is in-app purchases: IDFA & Device Info Viewer at none against FocusZen's 2. IDFA & Device Info Viewer also leads on device support (3 vs 1). FocusZen's advantage is ads (none vs shown). On price, update cadence and iOS requirement there is nothing between them.

Both are free to download. FocusZen sells 2 in-app purchases, starting at $3.99 per month. IDFA & Device Info Viewer asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 11, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | FocusZen | IDFA & Device Info Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/idfa-and-device-info-viewer/id6745802620/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | — | Ad-supported |
| Size | 51 MB | 17 MB |
| Requires iOS | 16.6 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Angelika Mazur](https://appshunter.io/developer/1808760151) | [Rodrigo Belloso](https://appshunter.io/developer/1361382340) |

## What reviewers say

### FocusZen

[App page](https://appshunter.io/ios/app/focuszen/id6744659373)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $3.99 | per month |
| Yearly Premium | $29.99 | per year |


### IDFA & Device Info Viewer

[App page](https://appshunter.io/ios/app/idfa-and-device-info-viewer/id6745802620)

Access your device's advertising ID (IDFA) and detailed technical specifications. View, copy, and share system information like model, OS, and storage. Designed for developers and curious users, it offers advanced insights through rewarded videos.

**Highlights:** View and copy IDFA, Access system details (model, OS, resolution, battery), Unlock extended info (IDFV, region, time zone, storage, memory, CPU), Export or share data, No logins or clutter, Advanced insights via rewarded video

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

**In-app purchases:** none


## Frequently asked questions

### Is FocusZen free?

FocusZen is free to download, with in-app purchases available.

### Is IDFA & Device Info Viewer free?

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

### Do FocusZen or IDFA & Device Info Viewer have ads?

IDFA & Device Info Viewer shows ads; FocusZen does not.

### Which is updated more often, FocusZen or IDFA & Device Info Viewer?

FocusZen ships an update every 3 weeks, and IDFA & Device Info Viewer every 3 weeks. Most recently, FocusZen was updated on October 11, 2026 and IDFA & Device Info Viewer on October 24, 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.*